Hi folks,



I've just put MyCsla for 3.6.3 and never (also 3-6-3-N2) on the CslaContrib site. http://cslacontrib.codeplex.com



The purpose is to give a combined Best Practice and extension points
where we can all contribute with utility/helper classes, validation
rules, components and more.



Best Practice

As a lot of you already has done - I have added my own baseclasses with
extension points for logging/trace and a small sample of how to
add/alter functionality without making modifications to Csla itself.



As for usage - I prefer to add this project as part of my solution as
this make it easier to extend Csla inside my app and make all my BOs
inherit from these baseclasses.



Also included are:

Validation Rules

• Generic (IComparable) rules for GreaterThan, GreaterThanOrEqual, LessThan, LessThanOrEgual that compares two property values

• StatusBarExtender with my implementation of wait animation and an animated splash after 2 seconds.
• SmartDateTimePicker - also accepts text input like +, -, t, y  (all these texts are defines in Csla resources and translated)
• BindableRadioButtons - Radio buttons that support databind, typically for use with 2-5 items
• ErrorWarnInfoProvider - Slightly reworked version of the one already available on CslaContrib

Why there is no post??

Hey there,

I am new to CSLA.  I would like to leverate the CslaXml template for generating my business objects.

Basic tech design is as follows:

Data Layer consists of Data Objects that are managed using NHibernate.

Business Layer consists of Business Objects using CSLA Framework.

I am looking for some resources to better understand the MySample.xml structure and to know what my options are for generating a template.

The key difference is that my objects will be populated by obtaining Data Transfer Objects from the Data Layer rather than hitting a database.

If anyone can offer instruction (or where to find it) I would be most grateful.

Thanks!

Richard

First of all, i want to ask if this the correct place for starting a discussion about Codeplex? I know codeplex has a discussion place, but maybe there is some internal discussion possible.



Who of the following people is still active?

link: http://www.codeplex.com/CSLAcontrib/People/ProjectPeople.aspx



Allann

BrianCriswell

chrislw77

DaveRicker

DavidDilworth

davidwendelken

jtwebman

kdubious

KKoteles

Mobile5Guy

mtavares

pwelter34

rfcdejong

RichMark

RickySupit

TomCooley

Vinodonly

wcm777

xal1983





I also noticed the following projects:



CodeGenTemplates

Csla2Extensions

CslaContrib

CslaVSTemplates

ErrorTreeView

Example.Utility

ProjectTrackerNHibernate



I was thinking about creating an CslaContrib 3.6 version. Maybe i shouldn't do it all alone, but together with some other developers. I'll start wth the Smartxxx classes.



Currently i'm able to connect with codeplex using Team Foundation Server Explorer and that works fine. Even the workitems are available for me :)

I have been able to find 'problems' on the internet using Crystal Reports and Report Viewer for remoting reports within the CSLA framework, but I didn't find a clear success story on either. I would really like to read a discussion between experienced programmers on this issue, before I spend hundreds of hours going in the wrong direction.

PLEASE tell me which, if any, writer to use if I intend to take advantage of the CSLA frameworks remote reporting features. I think this thread could be helpfull to a lot of people, as Google couldn't even provide samples after hours of searching.

Hello,

I am using CSLA.NHibernate from CSLA Contrib.

I am using CSLA version 3.0.4.0 and CSLA.NHibernate version is compiled using the same version of CSLA and my application is web based(ASP.NET with C#)

I have a huge number of records to display in our database e.g over 20 million and above in some tables rest of them are under 1 lac. I hav implemented paging and a max of 100 records can be shown displayed in a grid at 1 time.

Actually what we do is we send call to Collection class to load all records which meet under certain search criteria and take its count. like this

AMCollection.GetAMCollection(crit).Count

In background NHibernate make objects of  all records e.g 1million and then we have a count. which make web page response very slow over 30 sec.

Is there any way to take the total count with out making objects of each record that NHibernate pulls.

Thanks in advance

Zafar Ullah

Often in shops such as mine you're left in a situation where you're string together lots of already written assemblies to make a final product.  Case in point in my current project.

We have a security framework that uses CSLA at it's core. (A)
We have a library that is a mix of legacy DTO's (prior to us incorporating CSLA) and CSLA objects. (B)
We have a library that is pure CSLA for working with another core system in the company. (C).

We DON'T want applications that use (A) to ever use the assembly in 'local portal' mode - we insist that they use the remote data portal and point to a particular server where we keep the security database, hash type, etc - we don't want every Tom, ***, and Sally knowing what that assembly hits on the remote machine.  This information is living on a remote portal that most developers don't have access to gives people a sense of security.

Currently (C) is going to be upgraded because of performance reasons so that all applications that use (C) have to use remote data portal where the remote data portal has a lot closer access to the system it communicates with.  THIS IS NOT THE SAME LOCATION WHERE (A) IS.

(B) has been and always will use the local data portal because of reasons too long to get into.

So individually these requirements aren't a problem, until your application has to use assemblies A, B, and C.  Currently CSLA either has remote data portal at X location or it uses local data portal.

I'll will do this on my own if need be, but I think this feature would benifit the entire community, be a nice feature for CSLA overall, and you guys could implement it a lot quicker and BETTER than I could.

I would like to see a client configuration section for the client data portal.  This would be optional and by default the data portal would work using the appSettings as it always has (for backwards compatability).  If this configuration section is present on the client though, the appSettings are ignored.

The configuration section would basically map what assembly goes to what remote data portal, for example:

<csla.client>
    <dataportal>
         <assembly name="Assembly, Version=1.0.0.0, PublicKeyToken=null, Culture=neutral"
                  proxy="Csla.DataPortalClient.RemotingProxy, Csla"
                  url="http://somehost/RemotingHost/RemotingPortal.rem" />
         <assembly name="Assembly, Version=2.1.4.0, PublicKeyToken=null, Cuture=netural"
                  proxy="Csla.DataPortalClient.RemotingProxy, Csla"
                  url="http://someOtherHost/RemotingHost/RemotingPortal.rem" />
         <!-- this would be the default for any assembly not mentioned above, but can be declared explicitly also - useLocalPortal is optional attribute that if set to true ignores any enteries for the name, proxy, url attributes and default is false (obviously for the above to work) -->
        <assembly name="Assembly, Verision=1.0.0.0, PublicKeyToken=null, Cutlture=neutral"
                 useLocalPortal="true" />
    </dataportal>
</csla.client>

This also infers that one assembly communicating to remote location Y could also communicate with location Z through enterise services - they don't all have to be the same type of server portal proxy.

Thoughts?

I found DavidDilworth's excellent ProjectTracker.NHibernate project on CodePlex and I try  to use its framework on my   project.at the same time  I use Wcf DataPortal In this projtect.but  it's not  successful .

the mode what i use wcf dataportal is same to the demo PTWeb

the error is .

Csla.DataPortalClient.WcfProxy

 WcfResponse response =
        svr.Create(new CreateRequest(objectType, criteria, context));

erver stack trace:
   在 System.Collections.Hashtable.get_Item(Object key)
   在 NHibernate.Impl.SessionFactoryObjectFactory.GetNamedInstance(String name)
   在 NHibernate.Impl.SessionFactoryImpl.GetRealObject(StreamingContext context)
   在 System.Runtime.Serialization.XmlObjectSerializerReadContext.GetRealObject(IObjectReference obj, Int32 id)
   在 ReadSessionFactoryImplFromXml(XmlReaderDelegator , XmlObjectSerializerReadContext , XmlDictionaryString[] , XmlDictionaryString[] )
   在 System.Runtime.Serialization.ClassDataContract.ReadXmlValue(XmlReaderDelegator xmlReader, XmlObjectSerializerReadContext context)
   在 System.Runtime.Serialization.XmlObjectSerializerReadContext.ReadDataContractValue(DataContract dataContract, XmlReaderDelegator reader)
   在 System.Runtime.Serialization.XmlObjectSerializerReadContextComplex.InternalDeserializeInSharedTypeMode(XmlReaderDelegator xmlReader, Int32 declaredTypeID, Type declaredType, String name, String ns)
   在 System.Runtime.Serialization.XmlObjectSerializerReadContextComplex.InternalDeserialize(XmlReaderDelegator xmlReader, Type declaredType, String name, String ns)
   在 System.Runtime.Serialization.XmlObjectSerializerReadContext.ReadSerializationInfo(XmlReaderDelegator xmlReader, Type type)
   在 ReadSessionImplFromXml(XmlReaderDelegator , XmlObjectSerializerReadContext , XmlDictionaryString[] , XmlDictionaryString[] )
   在 System.Runtime.Serialization.ClassDataContract.ReadXmlValue(XmlReaderDelegator xmlReader, XmlObjectSerializerReadContext context)
   在 System.Runtime.Serialization.XmlObjectSerializerReadContext.ReadDataContractValue(DataContract dataContract, XmlReaderDelegator reader)
   在 System.Runtime.Serialization.XmlObjectSerializerReadContextComplex.InternalDeserializeInSharedTypeMode(XmlReaderDelegator xmlReader, Int32 declaredTypeID, Type declaredType, String name, String ns)
   在 System.Runtime.Serialization.XmlObjectSerializerReadContextComplex.InternalDeserialize(XmlReaderDelegator xmlReader, Int32 declaredTypeID, RuntimeTypeHandle declaredTypeHandle, String name, String ns)
   在 ReadCriteriaImplFromXml(XmlReaderDelegator , XmlObjectSerializerReadContext , XmlDictionaryString[] , XmlDictionaryString[] )
   在 System.Runtime.Serialization.ClassDataContract.ReadXmlValue(XmlReaderDelegator xmlReader, XmlObjectSerializerReadContext context)
   在 System.Runtime.Serialization.XmlObjectSerializerReadContext.ReadDataContractValue(DataContract dataContract, XmlReaderDelegator reader)
   在 System.Runtime.Serialization.XmlObjectSerializerReadContextComplex.InternalDeserializeInSharedTypeMode(XmlReaderDelegator xmlReader, Int32 declaredTypeID, Type declaredType, String name, String ns)
   在 System.Runtime.Serialization.XmlObjectSerializerReadContextComplex.InternalDeserialize(XmlReaderDelegator xmlReader, Int32 declaredTypeID, RuntimeTypeHandle declaredTypeHandle, String name, String ns)
   在 ReadArrayOfPurchaseOrderMasterInfoFromXml(XmlReaderDelegator , XmlObjectSerializerReadContext , XmlDictionaryString[] , XmlDictionaryString[] )
   在 System.Runtime.Serialization.ClassDataContract.ReadXmlValue(XmlReaderDelegator xmlReader, XmlObjectSerializerReadContext context)
   在 System.Runtime.Serialization.XmlObjectSerializerReadContext.ReadDataContractValue(DataContract dataContract, XmlReaderDelegator reader)
   在 System.Runtime.Serialization.XmlObjectSerializerReadContextComplex.InternalDeserializeInSharedTypeMode(XmlReaderDelegator xmlReader, Int32 declaredTypeID, Type declaredType, String name, String ns)
   在 System.Runtime.Serialization.XmlObjectSerializerReadContextComplex.InternalDeserialize(XmlReaderDelegator xmlReader, Int32 declaredTypeID, RuntimeTypeHandle declaredTypeHandle, String name, String ns)
   在 ReadDataPortalResultFromXml(XmlReaderDelegator , XmlObjectSerializerReadContext , XmlDictionaryString[] , XmlDictionaryString[] )
   在 System.Runtime.Serialization.ClassDataContract.ReadXmlValue(XmlReaderDelegator xmlReader, XmlObjectSerializerReadContext context)
   在 System.Runtime.Serialization.XmlObjectSerializerReadContext.ReadDataContractValue(DataContract dataContract, XmlReaderDelegator reader)
   在 System.Runtime.Serialization.XmlObjectSerializerReadContextComplex.InternalDeserializeInSharedTypeMode(XmlReaderDelegator xmlReader, Int32 declaredTypeID, Type declaredType, String name, String ns)
   在 System.Runtime.Serialization.XmlObjectSerializerReadContextComplex.InternalDeserialize(XmlReaderDelegator xmlReader, Int32 declaredTypeID, RuntimeTypeHandle declaredTypeHandle, String name, String ns)
   在 ReadWcfResponseFromXml(XmlReaderDelegator , XmlObjectSerializerReadContext , XmlDictionaryString[] , XmlDictionaryString[] )
   在 System.Runtime.Serialization.ClassDataContract.ReadXmlValue(XmlReaderDelegator xmlReader, XmlObjectSerializerReadContext context)
   在 System.Runtime.Serialization.XmlObjectSerializerReadContext.ReadDataContractValue(DataContract dataContract, XmlReaderDelegator reader)
   在 System.Runtime.Serialization.XmlObjectSerializerReadContextComplex.InternalDeserializeInSharedTypeMode(XmlReaderDelegator xmlReader, Int32 declaredTypeID, Type declaredType, String name, String ns)
   在 System.Runtime.Serialization.XmlObjectSerializerReadContextComplex.InternalDeserialize(XmlReaderDelegator xmlReader, Type declaredType, String name, String ns)
   在 System.Runtime.Serialization.NetDataContractSerializer.InternalReadObject(XmlReaderDelegator xmlReader, Boolean verifyObjectName)
   在 System.Runtime.Serialization.XmlObjectSerializer.ReadObjectHandleExceptions(XmlReaderDelegator reader, Boolean verifyObjectName)
   在 System.Runtime.Serialization.NetDataContractSerializer.ReadObject(XmlDictionaryReader reader, Boolean verifyObjectName)
   在 System.ServiceModel.Dispatcher.DataContractSerializerOperationFormatter.DeserializeParameterPart(XmlDictionaryReader reader, PartInfo part, Boolean isRequest)
   在 System.ServiceModel.Dispatcher.DataContractSerializerOperationFormatter.DeserializeParameter(XmlDictionaryReader reader, PartInfo part, Boolean isRequest)
   在 System.ServiceModel.Dispatcher.DataContractSerializerOperationFormatter.DeserializeBody(XmlDictionaryReader reader, MessageVersion version, String action, MessageDescription messageDescription, Object[] parameters, Boolean isRequest)
   在 System.ServiceModel.Dispatcher.OperationFormatter.DeserializeBodyContents(Message message, Object[] parameters, Boolean isRequest)
   在 System.ServiceModel.Dispatcher.OperationFormatter.DeserializeReply(Message message, Object[] parameters)
   在 System.ServiceModel.Dispatcher.ProxyOperationRuntime.AfterReply(ProxyRpc& rpc)
   在 System.ServiceModel.Channels.ServiceChannel.HandleReply(ProxyOperationRuntime operation, ProxyRpc& rpc)
   在 System.ServiceModel.Channels.ServiceChannel.Call(String action, Boolean oneway, ProxyOperationRuntime operation, Object[] ins, Object[] outs, TimeSpan timeout)
   在 System.ServiceModel.Channels.ServiceChannel.Call(String action, Boolean oneway, ProxyOperationRuntime operation, Object[] ins, Object[] outs)
   在 System.ServiceModel.Channels.ServiceChannelProxy.InvokeService(IMethodCallMessage methodCall, ProxyOperationRuntime operation)
   在 System.ServiceModel.Channels.ServiceChannelProxy.Invoke(IMessage message)

Exception rethrown at [0]:
   在 System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg)
   在 System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type)
   在 Csla.Server.Hosts.IWcfPortal.Fetch(FetchRequest request)
   在 Csla.DataPortalClient.WcfProxy.Fetch(Type objectType, Object criteria, DataPortalContext context) 位置 E:\DCMS\Product\Project\EbChainSolution\Csla\DataPortal\Client\WcfProxy.cs:行号 90
   在 Csla.DataPortal.Fetch(Type objectType, Object criteria) 位置 E:\DCMS\Product\Project\EbChainSolution\Csla\DataPortal\Client\DataPortal.cs:行号 203
   在 Csla.DataPortal.Fetch[T](Object criteria) 位置 E:\DCMS\Product\Project\EbChainSolution\Csla\DataPortal\Client\DataPortal.cs:行号 156
   在 EbChain.BusinessObject.PurchaseOrderMasterList.GetPurchaseOrderList() 位置 E:\DCMS\Product\Project\EbChainSolution\EbChain.BusinessObject\PurchaseOrderMasterList.NH.cs:行号 89
   在 EbChain.Web.BLL.PurchaseOrder.GetList() 位置 E:\DCMS\Product\Project\EbChainSolution\EbChain.Web.BLL\PurchaseOrder.cs:行号 41
   在 ConsoleApplication1.Program.Main(String[] args) 位置 E:\DCMS\Product\Project\EbChainSolution\ConsoleApplication1\Program.cs:行号 10
   在 System.AppDomain._nExecuteAssembly(Assembly assembly, String[] args)
   在 System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence assemblySecurity, String[] args)
   在 Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly()
   在 System.Threading.ThreadHelper.ThreadStart_Context(Object state)
   在 System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   在 System.Threading.ThreadHelper.ThreadStart()

In writing reports that get their data from a CSLA business object, the ObjectAdapter class will take in a CSLA object and return a DataSet of all String types that you can use to bind to the report.

The problem with this is you loose a lot of functionality in the report because all the types are Strings, so if you write formulas inside the report to do number or date math, you need to do a bunch of grungy type conversions to get the report formulas to work correctly.

To get around this problem, you need a DataSet that preserves the correct field types from the original CSLA object, so I developed an "ObjectAdapterTyped" class to handle this.

Would it be possible to shared this class and possibly have it added to the CSLA distribution?

Thank You.

Alex

Per Rocky's advice, my business objects have public string properties for EffDate and ObsDate (EffectiveDate and ObsoleteDate) although the private variables are SmartDates.

I'm trying to filter on these values using ObjectListView and having a bit of trouble.

My Filter expression is:

EffDate >= #1/1/2002# AND EffDate <= #12/31/2004#

I get this error message:

Cannot perform '>=' operation on System.String and System.DateTime.

How are other folks handling this?  I'm looking for best practice here.  :)

I am developing an Human Resources and payroll system.I have created an employee object which can be of four types contract employee,Permanent employee,temporal employee and expariate.I want to be able to change an employee from one type to another type of employee.I have created a polymorphic child object called EmployeeType which can be of any of the types mentioned above.on the employees form  i have put a combobox which is bound to the employeetype namevalue list.When I select any options in the combobox a new  type of child if the employee type is differennt from the current employee type is created.However the the bound text boxes are not updated to reflect the initial values of the newly created child object of the employee.For example both the temporal employee and contract employee types have the startdate and enddate properties to reflect the start and expiry of the contracts/temporal assignement.When I change a temporal employee to contract employee the startdate and enddate continue to reflect the same startdate and enddate properties of the temporal employee and if save the objects to the database only the employeeid is inserted into the database,startdate and enddate are null.my code snippets are show below .Can someone help me

Me.EmployeeBindingSource.DataSource = mEmployee

Me.EmployeeTypeListBindingSource.DataSource = Payroll.Library.EmployeeTypeList.GetList

Me.EmployeeListBindingSource.DataSource = Payroll.Library.EmployeeList.GetEmployeeList

Me.TabPage1.Select()

With ComboBox1

.DisplayMember = "Name"

.ValueMember = "Value"

.DataBindings.Add("SelectedValue", mEmployee, "Type")

End With

With Me.TextBox1

.DataBindings.Add("Text", mEmployee.EmployeeType, "StartDate")

End With

Employee Object

Hello,

my problem is the following. I want to disable some properties at some objects.
therefor I use AuthorizationRules.InstanceDenyWrite(propertyname, role);
The properties are disabled, all fine.

now I want to enable this properties at the runtime.

How is it possible?

sorry for my bad english
regards, roman

I've recently come across this a couple of times:

The use case is that you have a list of items that is configurable by administrator, say a question answer list where the admin enters questions and the user enters answers.

One way to solve this is the traditional, open a single question as an editable item, then provide an answer.  However when the user has 50 items, this isn't friendly, especially if the answers are yes/no or simple one or two letter word answers.  Sometimes you just want to see the whole list and provide answers to each question.  A dictionary won't work because you can't detect when items are added or deleted or changed.

So the problem is that you want a list where you can edit the items themselves (or at least one of the properties, some may be read-only), but you don't want to allow developers to add or remove items from the list of items itself.

The answer I came up with was simply to use the normal editable list (because the child objects are editable and you need to detect changes, it can't be a read only list), but I added a field so that the business object couldn't have items deleted or added (except when done internally as part of a Fetch method).  To do this I added a boolean _isFixed field that is initially set to true and I overrode the AddNewCore and RemoveItem to throw a not supported exception if the _isFixed is currently set to true.  When I'm in the Fetch method adding objects to the list I simply change the _isFixed to false at the begining of the method and back to true at the end; similiar to the call to RaiseListChangedEvents and such.

I'd like to see in 3.1 or 3.5 a new business object and template that is basically a formal implementation of this.  Basically it's the editable list with this extra field and shouldn't be a big deal to implement.

Hope this sounds as good of an idea to everyone else as it does me.

I found DavidDilworth's excellent ProjectTracker.NHibernate project on CodePlex and I'm planning to use its framework on my next project.

I wonder if anyone has upgraded NHibernate support for CSLA to version 1.2 of NHibernate.

If anyone could share some information on this, I'd appreciate. I plan on upgrading the current ProjectTracker.NHibernate (May 3 at 6:30 AM) to NHibernate 1.2 and post it back on CodePlex.

I'd specially like to hear what David thinks about this.

Thanks and best regards.

Fernando.

Hi,

I am new to NHibernate and I have noticed that there is a version of CSLA that integrates with NHibernate.

Is there a working example somewhere or if somebody is willing to share one?

I dont think there are any mapping files either?

Again I am new to Nhibernate so I might be wrong.

Thanks again

Using the Codesmith templates (based CSLA2.x CS 1.1.0 RC), I like the choice I have generating a single, SplitPartial of SplitBase class.

What we use a lot in our code, is static lists (that is: lists that don't change a lot, like storage places in a a warehouse.

Maybe I can suggest a change here in the templates:



ReadOnlyRootList and ObjectFactoryMethods:



private static _cachedList = null;

public static (bool useCache 0) { %>, )

(...)

if (_cachedList == null || !useCache)

_cachedList = DataPortal.Fetch>(new FilterCriteria());

return _cachedList;







EditableRootList:



protected override void DataPortal_Update()

(...)

_cachedList = null;

RaiseListChangedEvents = true;





Using these changes, most lists will be cachable by choise.



Any comments?

Out of curiosity, are you using any of the various Smart* classes available here? 

If not, why not?

Hello again everyone:

We recently upgraded to a new version of Codesmith (the current latest). Now, when I try to generate my code from XML I am getting an error that I posted about last year. However, the fix that I found last year isn't working this time. The old post is at: http://forums.lhotka.net/forums/thread/9362.aspx

The actual error message I am getting is "Error Rendering AccessRequestER: Unique Column(s) is required."

Below is the XML Node that I am trying to generate from. I had an XSD for validation from a year ago, has a new one been released or has anyone else encountered this issue?

Thanks, Will

<Object Access="public" Interface="IStullerRequest" Type="EditableRoot" Name="AccessRequestER" Namespace="Stuller.Applications.Requests.Business">

<Properties>

<Property Name="ID" Type="int" DbColumnName="ID" IsPrimaryKey="true" IsIdentity="true" />

<Property Name="Parent_ID" Type="int" DbColumnName="Parent_ID" />

<Property Name="Parent_Type_ID" Type="int" DbColumnName="Parent_Type_ID" />

<Property Name="Title" Type="string" DbColumnName="Title">

<ValidationRules>

<StringRequired/>

<StringMaxLength>200</StringMaxLength>

</ValidationRules>

</Property>

<Property Name="Description" Type="string" DbColumnName="Description">

<ValidationRules>

<StringRequired/>

<StringMaxLength>4000</StringMaxLength>

</ValidationRules>

</Property>

<Property Name="Request_Severity_ID" Type="int" DbColumnName="Request_Severity_ID" />

<Property Name="Request_Status_ID" Type="int" DbColumnName="Request_Status_ID" />

<Property Name="Date_Requested" Type="SmartDate" DbColumnName="Date_Requested" />

<Property Name="Date_Needed" Type="SmartDate" DbColumnName="Date_Needed" />

<Property Name="Return_On_Investment_ID" Type="int" DbColumnName="Return_On_Investment_ID" />

<Property Name="Is_On_Hold" Type="bool" DbColumnName="Is_On_Hold" />

<Property Name="Last_Updated_By_User_ID" Type="int" DbColumnName="Last_Updated_By_User_ID" />

<Property Name="Time_Stamp" Type="byte[]" DbColumnName="Time_Stamp" IsReadOnly="true" />

</Properties>

<TransactionalType>None</TransactionalType>

<PropertyAuthorization>Write</PropertyAuthorization>

<AuthorizationRules>false</AuthorizationRules>

<DbCommands DbName="Requests">

<FetchCommand Type="StoredProcedure">AccessRequestER_Fetch</FetchCommand>

<InsertCommand>AccessRequestER_Insert</InsertCommand>

<UpdateCommand>AccessRequestER_Update</UpdateCommand>

<DeleteCommand>AccessRequestER_Delete</DeleteCommand>

</DbCommands>

</Object>

I have rewritten the DataPortal classes to
decrease the amount of objects needed for Data Access.  I've been using
this for about 8 months now with no issues.  I'm pretty sure it will
plug-in nicely with everything else in CSLA, but at this point, I have
gone so far beyond CSLA that it might take some tweaking.





I got kind of tired of the Client vs. Server objects needed for
DataPortals.  It's not really necessary.  Also, the DataAccess code had
to be duplicated is all business objects and all business objects had
to absolutely know what type of database was behind the scenes (Sql,
Oracle, Access, etc.).  I have rewritten all base business classes and
data access.  The DataPortal acts as a portal of communication as well
a Data Access surrogate.  There is absolutely know data access code
written in any business objects.





Here's the breakdown...





DataPortalFactory - handles initializing the correct type of
DataPortal needed for the Application.  Simply add an
<appSettings> element:  <add key="DataPortal" value="..."
/>.

Possible DataPortal types to put into the value are:

• Local, localhost, etc.
• Remoting Channel Url to the remotely hosted DataPortal: tcp://localhost:8080/DataPortal.rem
• WebService Url to the remote DataPortal:  http://localhost:4027/DataPortal.asmx
• WCF:  whatever the connection looks like for it - still in development

• IDataPortal - provides an interface which all DataPortals must implement
• DataPortal - Inherits from MarshalByRefObject and provides Local and Remoting Channel objects
• WebDataPortal - Inherits from a WebService and implements IDataPortal.
• WebDataPortalProxy - this is the only Proxy class needed and is only used for the WebDataPortal.  This may be able to become more generic to support multiple remote "Proxies", for example, WebService and WCF proxies may be able to be combined into one.
• WCFDataPortal - in progress...
  
• DataPortalContext - rewritten to support specifying which "connection" and data provider (System.Data.SqlClient vs. System.Data.OleDbProvider).
  
  

1. There is no need for complicated config file settings.
2. Multiple Databases are supported through "context switching",
   meaning you can have multiple <connectionString> sections and the
   business objects can set the DataPortalContext before data access code
   is called.
   
   
3. DataPortals are not passed into business objects, rather,
   Business Objects are passed into DataPortals.  All Business Objects
   derive from IUpdateableObject.
4. There's no need for RunLocalAttributes or anything.  The DataPortal does not need to be location aware.
   

1. I still need to ensure that the DataPortal will function correctly with ServiceComponents and Transactions.

I've placed some MyGeneration CSharp Templates on CSLAcontrib.

They include support for:

* ForeignKeys including Parent/Child relationships.

* propertygrid.

* Lazy Loading of related data

* Other items.

I've also included a sample application for the Northwind database.  This consists of a listbox to select an employee, and a propertygrid of all information related to the employee.  The data is editable in the propertygrid.

Hello,

We have just released our new CSLA.NET 1.1 templates over at CodeSmith, They now include generated authorization rules, bug fixes and support for VB.NET!

Thanks
-Blake Niemyjski

Ok... maybe I'm a little obsessive compulsive, but I need to be complete. I'm a bit obsessed with code generation out of the database objects, and I'm getting ready to start including the CSLA.NET framework into it. (VB and C#)



My current templates are very good at generating the Stored Procs for Insert, Update and Delte, Effective Dated rows, Many to many relationships, views of currently effective dated rows, table generation scripts, extended properties, Foreign key constraints, etc...



Does anyone out here have a list of "Got-ya's" I should watch for when creating my own templates?



Thanks much.



Glenn

I think CSLA is great and one of the coolest coding projects that have come around.  I have been developing using v 3.0 to complete a project but now looking to move on.  I downloaded 3.6.2 and got the demos working (the ones I've tried).  I use CodeSmith 5.0 and love it.  I see talk about this coming out and that coming out but don't see anything out.  Now realize that I am talking about posts that claim pending releases that were posted months ago.  What happened?  What happened to the support of this great project?  I am just looking in the wrong spot?  It wouldn't be the first time.  But I search CodeSmith and I search here and i search google and the latest of posts regarding some of this stuff is from '08.

Help please.

Jeff

Hi

I wonder if there is a bug in these templates or if it is due to my lack of understanding:

The example template CslaXML.cst together with the MySample.xml does not produce the expected output:

the MySample.xml states for the Project object

<Property Name="Resources" Type="ProjectResources" EntitySetName="Assignments" Default="ProjectResources.NewProjectResources()" IsChildCollection="true"/>

But the Fetch in the  ProjectResources class is created with

private void Fetch(IEnumerable<Dal.ProjectResources> dataSet)

I would expect that the EntitySetName (i.e. Assignments) would apprear as the Dal dataset property and not the type of the child collection (i.e. not ProjectResources); What would the EntitySetName be good for otherwise?

In fact looking at the TemplateBase.cs it looks like that the Dal  dataset  is always set to the type of the childcollection !?

Has anyone ever thoroughly tested  the CslaXml.cst?

I am using the 3.6 templates on csla 3.6.1

Thanks

Frank

Hello,

I'm a developer over at CodeSmith Tools and
we are currently implementing new CSLA 3.6.x templates. If any of you
have any template suggestions or improvements that you would like to see please
let me know.

Thanks
-Blake Niemyjski

Hi,

I am new to this group and till now hav been using .NET 2.0 to develop
applications. I want to learn to use the CSLA framework and Codesmith
to generate business objects. Can any one please guide me to the
links/ resources that I need to have to get started.

Thanks in advance.

Hi,

I'm working with CSLA2.0 for sometime.

In a recent project we tried to use CodeSmith to generate C# templates and I'm having problems.

Maybe its my understanding OR my lack of knowledge, either way I need some serious help.



This is the actual code which I wrote a while back.



namespace BDD.MyImpact.Library.BO

{

using System;

using System.Collections.Generic;

using System.Text;

using System.Data;

using System.Data.SqlClient;

using Csla;

using Csla.Data;

using BDD.MyImpact.Library.Data;



///

/// Readonlylist of a Person Publications

///

[Serializable]

public class PersonPublicationList : ReadOnlyList

{

String _user = String.Empty;

public String User

{

get

{

return this._user;

}

}



#region Factory Methods

private PersonPublicationList()

{



}



public static PersonPublicationList GetPublicationList(String user)

{

return DataPortal.Fetch(new Criteria(user));

}

#endregion



#region Criteria

[Serializable()]

private class Criteria

{

private String _user;



public String User

{

get

{

return this._user;

}

}



public Criteria(String login)

{

this._user = login;

}



}



#endregion



#region Data Access



private void DataPortal_Fetch(Criteria criteria)

{

using (SqlConnection cn = new SqlConnection(Database.MyImpactConnection))

{

cn.Open();

using (SqlCommand cm = cn.CreateCommand())

{

cm.CommandType = CommandType.StoredProcedure;

cm.CommandText = "miapp.pc_get_PersonPublicationList";

cm.Parameters.AddWithValue("@user", criteria.User);

using (SafeDataReader dr = new SafeDataReader(cm.ExecuteReader()))

{

IsReadOnly = false;

while (dr.Read())

{

PublicationInfo info = new PublicationInfo(dr.GetInt32("pub_id"),

dr.GetString("Title").ToString(),

dr.GetInt16("Year"),

dr.GetString("web_html"),

dr.GetString("journal"));

this.Add(info);



}

IsReadOnly = true;

}

}

}



}

#endregion

}

}

---------------------------------------

I already have a child object for this class which is already in use by another parent class that is why I don't want to generate the child.



---------------------------------------------

I tried to do SplitPartial but disregard it after I find it a bit rigid in terms of modification as I regarded the generated classes not to be touched and user classes are the ones to be modifiable.

I then sort of go towards the SplitBase as I can easily override the methods but here again I'm having problems.

Here is the code the XML template above generated.



using System;

using System.Data;

using System.Data.SqlClient;

using Csla;

using Csla.Data;

using BDD.MyImpact.Library.Data;



namespace BDD.MyImpact.Library.BO

{

[Serializable()]

public abstract class PersonPublicationListBase : Csla.ReadOnlyListBase

where T : PersonPublicationListBase

where C : PublicationInfoBase

{



#region Factory Methods

public static T GetPersonPublicationList()

{

return DataPortal.Fetch(new FilterCriteria());

}

#endregion //Factory Methods



#region Data Access



#region Filter Criteria

[Serializable()]

protected class FilterCriteria : Csla.CriteriaBase

{



public FilterCriteria() : base(typeof(T))

{



}

}

#endregion //Filter Criteria



#region Data Access - Fetch

[Transactional(TransactionalTypes.TransactionScope)]

private void DataPortal_Fetch(FilterCriteria criteria)

{

RaiseListChangedEvents = false;

IsReadOnly = false;



using (SqlConnection cn = new SqlConnection(Database.MyImpactConnection))

{

cn.Open();



ExecuteFetch(cn, criteria);

}//using



IsReadOnly = true;

RaiseListChangedEvents = true;

}



protected virtual void ExecuteFetch(SqlConnection cn, FilterCriteria criteria)

{

using (SqlCommand cm = cn.CreateCommand())

{

cm.CommandType = CommandType.StoredProcedure;

cm.CommandText = "pc_get_PersonPublicationList";





using (SafeDataReader dr = new SafeDataReader(cm.ExecuteReader()))

{

while (dr.Read())

this.Add(PublicationInfoBase.GetPublicationInfo(dr));

}

}//using

}

#endregion //Data Access - Fetch

#endregion //Data Access

}

}



------------------------------------

Now If you take a look at the code which I wrote and the code which is generated there are differences and I couldn't find a way to sort of get rid of those differences which is essential to let me work?

Any ideas?



Thanks

Hi All,

I'd like to let you know about a new CSLA code generation tool that is available called Viewpoints. It provides a Visual Studio integrated visual modeling environment along with customizable code generation templates for generating CSLA v3.5 applications. You can check it out on the Gnomz Software website.

P.S. Rocky: Could I please get you to add Viewpoints to your list of CSLA code generators?

Thanks!

I am getting this when generating the  EditableRoot.cst  

LoadProperty<bool, bool?>(FromEnableSketchProperty, data.FromEnableSketch);
           
on above line. 
Error    4   
The non-generic method 'Csla.Core.BusinessBase.LoadProperty(Csla.Core.IPropertyInfo, object)'
cannot be used with type arguments    C:\Projects\AssessPro.NET\CslaSample\ConsoleApplication1\ConsoleApplication1\Csla3.cs    368   
5    ConsoleApplication1

  Code was generated at 12/8/2008 8:10:11 PM by jnapoli
//     Template path: C:\Documents and Settings\jnapoli\My Documents\CSLA.net\CSLAcontrib-41428\CodeGenTemplates\CodeSmith\CSLA35\CSharp\EditableRoot.cst
//     Template website: http://www.codeplex.com/Wiki/View.aspx?ProjectName=CSLAcontrib

Hello Everyone.

I'm new to the templates and i'm trying to generate a
ReadOnlyRootList.  My list object is called JobInfoList.  I've tried
creating my JobInfo class from both ReadOnlyChild and ReadOnlyRoot and
can't get either to work.  When I use ReadOnlyChild it gets to the
following method in the JobInfoBase class and fails

        Friend Shared Function GetJobInfo(ByVal dr As SafeDataReader) As T
            Dim child As T = DataPortal.Create(Of T)()
            child.Fetch(dr)
            Return child
        End Function

"Csla.DataPortalException: DataPortalFetch failed(System.ArgumentNullException: Value cannot be null. Paramerter name: element"

If I use ReadOnlyRoot I get a compiler issue on this line in my JobInfoBase class.

  Me.Add(JobInfoBase(Of C).GetJobInfo(dr))

Can someone help me out to find out what I'm doing wrong?

Thanks!

CodeSmith 2.6
CSLA 2.0 VB Templates from CSLA Contrib
VisualStudio 2005
SplitBase Generation

Hi!

Does anyone know about any Coderush templates for CSLA and is willing to share them?

I created some Coderush templates to create CSLA 3.5 properties. Hope it is usefull for someone.

I named this one "cslap" (CSLA Property)

private «Link(string)» «Link(PropertyName,FormatFieldName,PropertyNameFromField)»;
private static PropertyInfo<«Link(string)»> «Link(PropertyName)»Property = RegisterProperty<«Link(string)»>(typeof(«Class»), new PropertyInfo<«Link(string)»>("«Link(PropertyName)»"));
public «FieldStart»«Caret»«Link(string)»«BlockAnchor»«FieldEnd» «FieldStart»«Caret»«Link(PropertyName)»«BlockAnchor»«FieldEnd»
{
 get { return GetProperty<«Link(string)»>(«Link(PropertyName)»Property, «Link(PropertyName,FormatFieldName,PropertyNameFromField)»); }
  set { SetProperty<«Link(string)»>(«Link(PropertyName)»Property, ref «Link(PropertyName,FormatFieldName,PropertyNameFromField)», value); }
} 

This one is named "cslap?Type?". So you can type for example "cslai" to create CSLA integer property.

private «Link(«?Get(Type)»)» «Link(PropertyName,FormatFieldName,PropertyNameFromField)»;
private static PropertyInfo<«Link(«?Get(Type)»)»> «Link(PropertyName)»Property = RegisterProperty<«Link(«?Get(Type)»)»>(typeof(«Class»), new PropertyInfo<«Link(«?Get(Type)»)»>("«Link(PropertyName)»"));
public «FieldStart»«Caret»«Link(«?Get(Type)»)»«BlockAnchor»«FieldEnd» «FieldStart»«Caret»«Link(PropertyName)»«BlockAnchor»«FieldEnd»
{
 get { return GetProperty<«Link(«?Get(Type)»)»>(«Link(PropertyName)»Property, «Link(PropertyName,FormatFieldName,PropertyNameFromField)»); }
  set { SetProperty<«Link(«?Get(Type)»)»>(«Link(PropertyName)»Property, ref «Link(PropertyName,FormatFieldName,PropertyNameFromField)», value); }
}

Regards,

Gunnar

I am having some issues generating a source file when using a stored proc as my datasource vs. a view.  When I check my CodeSmith Schema Explorer (Oracle Database) I can navigate to my command, see my sproc and see the input / output variables (output is a refcursor).  The field in question is clearly defined as a varchar2(20).  The recursor is (select * from view) and generating from the view works okay.

Any ideas on where to look?

thx

jack

Generating project "C:\epm\GeneratedFiles\ePM.csp" outputs...
Compiling template "C:\framework\CodeGenTemplates\CodeSmith\CSLA35\CSharp\EditableRoot.cst"...
Template compilation succeeded. (10 ms)
Rendering output 'DataCollection.cs'...
Error: ePM.csp(0,0) Parameter 'DATA_ENTRY_ID': No size set for variable length data type: String.
Stack Trace:
   at System.Data.OracleClient.OracleParameterBinding.PrepareForBind(OracleConnection connection, Int32& offset)
   at System.Data.OracleClient.OracleCommand.Execute(OciStatementHandle statementHandle, CommandBehavior behavior, Boolean needRowid, OciRowidDescriptor& rowidDescriptor, ArrayList& resultParameterOrdinals)
   at System.Data.OracleClient.OracleCommand.Execute(OciStatementHandle statementHandle, CommandBehavior behavior, ArrayList& resultParameterOrdinals)
   at System.Data.OracleClient.OracleCommand.ExecuteReader(CommandBehavior behavior)
   at SchemaExplorer.OracleSchemaProvider.GetCommandResultSchemas(String connectionString, CommandSchema command)
   at SchemaExplorer.CommandSchema.get_CommandResults()
   at CodeSmith.Csla.TemplateBase.ObjectInfo.LoadProperties(CommandSchema command, Int32 resultSetIndex, StringCollection uniqueColumns, StringCollection filterColumns)
   at CodeSmith.Csla.TemplateBase.ObjectInfo.LoadFromSchema(CodeTemplate template)
   at CodeSmith.Csla.TemplateBase.ObjectInfo..ctor(CodeTemplate template)
   at _CodeSmith.EditableRoot_cst.__RenderMethod1(TextWriter writer, Control control)
   at CodeSmith.Engine.DelegateControl.Render(TextWriter writer)
   at CodeSmith.Engine.Control.RenderChildren(TextWriter writer)
   at CodeSmith.Engine.Control.Render(TextWriter writer)
   at CodeSmith.Engine.CodeTemplate.Render(TextWriter writer)
   at CodeSmith.Engine.CodeTemplate.RenderToFile(OutputFile outputFile, Boolean overwrite)
   at CodeSmith.Engine.CodeTemplate.RenderToFile(String path, Boolean overwrite)
   at CodeSmith.Engine.ProjectCodeGenerator.GenerateCode(CodeSmithProject csp)
Unable to render output DataCollection.cs, skipping...
Done rendering outputs: 0 succeeded, 1 failed, 0 skipped (204ms).

Sculpture (http://www.codeproject.com/KB/cs/Sculpture-Part1.aspx) is an open scource Model-Driven Development code generation framework and I found that it could be used to generate CSLA.net code as well, only if any guru could write a "CLSA mold" , in Sculpture term, to work with it.

Cheers!

Sculpture (http://www.codeproject.com/KB/cs/Sculpture-Part1.aspx) is an open scource Model-Driven Development code generation framework and I found that it could be used to generate CSLA.net code as well, only if any guru could write a "CLSA mold" , in Sculpture term, to work with it.

Cheers!

Although the codegen templates that are out there are all pretty good there is something which I think is a great miss at the moment.

In my projects I always work with a pattern where the Business Objects make use of a data repository class to retrieve raw record data from the database and perform other CRUD related operations. The contract for the repository class is pretty simple. Each method accepts a Data Transfer Object with the data and returns either a collection of DTO's or a single DTO as result or in the case of a delete operation nothing.

The repository classes are seperated by using an interface and letting a separate factory class construct the actual instance for me. This enables the use of Inversion Of Control mechanics like Spring.NET or recently Unity.

A typical DataPortal_Select method may look like this:

private void DataPortal_Select(SingleObjectCriteria x) {
  IMyDataRepository repository = RepositoryFactory.CreateMyDataRepository();
  MyData rawData = repository.SelectById(x.Id);

  LoadObjectData(rawData); //Load the raw object data from the DTO
}

What I would like to see in more codegen templates is something similar to this. The factory in this case may be a simple matter of just returning a new instance of the right repository by using the new operator. This will provide developers with an even better way to extend the possibilities of the generated code and more importantly you can provide mockups for the repository classes and test the business objects seperately.

I would love to hear your thoughts on this and I hope that more people see the advantages of this pattern.

CodeQwik.Net is a new CSLA/CodeSmith training and template company. When you go to the home page, (www.codeqwik.net), you will find a link to "Customized CodeSmith Templates" which contain extended functionality CSLA templates, and a link to "Software Development Training Courses" which contain several courses, one specifically for CSLA.Net training.

Rocky, just wanted to let you know that CodeQwik.Net has a crosslink to lhotka.net on the home page, and this last Monday October 22nd, delivered a CSLA presentation to the Denver Visual Studio Users group http://www.denvervisualstudio.net/ (about 150 in attendance).

What code generation tool are folks using, where there templates are updated regularly?  I'm hoping to find somewhat recent templates.  CodeSmith seems to have fallen out of favor.

Thanks,
RayK

Hello!

I have been working on an open source code generator called NBusiness for some time now and I am interested in providing some CSLA templates with the generator. The project is essentially just a template driven code generator for business objects, though it has a slight different way of accomplishing this goal than most other code generators out there. Currently NBusiness comes with a light-weight business object framework to get things going (and it's medium trust) but it isn't nearly as robust and feature packed as CSLA. It would be great to provide templates for both.

Basically what I'm hoping for is someone here to create some CSLA templates for this project! It could be a good opportunity to do some work on an open source application which is rewarding in multiple ways. Also there's a variety of interesting technologies you will need to become familar with to get going, such as:

• Visual Studio Integration Packages


• CodeDom


• MSBuild


• Team Foundation Server

It would also be a good opportunity to delve deeper into CSLA for anyone ready to take their knowledge to the next level. Basically, I am asking this of the community because working on the core components is enough to keep me more than busy and unless I get someone new to create these templates it probably will not happen.

Also, for anyone experienced with code generators already you may find this project interesting. It has a somewhat different take on the process and brings some new features to the table. Check it out, drop some questions/comments in the forums.

So if you're interested in working on some CSLA templates head on over to the project page and find my email address on the main wiki there.

Thanks!

Hi,

has anyone taken Kathleen Dollard's code that accompanied her book "Code Generation in Microsoft .Net" and used it as a basis for a live project?

B

Hello,

I have modified the CodeSmith templates to generate code using the Enterprise Library data access application block instead of the being tied to using the SQL-specific types.

It's not perfect yet, but it has really helped me. Also I only modified the C# templates because I don't use VB.NET.

I hope no one minds me linking to my blog directly, but I discussed much more in depth about the changes made and also has the download link.

http://www.brandonolivares.com/blog-entry/brandon/2007/07/19/new-and-improved-codesmith-templates-work-daab

I plan to make further modifications, such as using the exception handling application block for better error handling, but I hope you find the existing templates of use.

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I am trying to create a Content Installer package so that I can distrubute an installable .vsi file with my customized CSLA templates and I am having problems.

This is not the usual Export Template install, which installs one template at the time. I want templates that include our standard documentation header with parameters that will be replaced by the template generator when the CSLA template is selected from the Add -> New Item menu option. To do this I had to export every one of the templates and then modify the template to include my parameters. So I eventually ended up with a customized template and a .vstemplate file for each of the templates provided with CSLA. Using these files I then created the .vscontent file as described by Microsoft, zipped everything up and changed the .zip extension to the required .vsi extension. Now all I had to do was double click the .vsi file and the templates would be installed and avaiable from the Add-> New Item menu, according to Microsoft, but of course that's not what happened.

Instead, I get a message that say: The .vscontent file contains no items to install.

When I searched Microsoft I found a site that showed an example .vscontent file and it used a .zip file for each of the template file groups, rather than using individual files. Each template had it's own .zip file containing the icon file, the template file and the .vstemplate file from the Export Template wizard. These zip files where then zipped into another zip file which was then renamed .vsi So I did the same thing, changed the vscontent file to reflect the new file names and tried again. I got the same message again and now I am stuck.

If you have any ideas about what I may be doing wrong, I sure would appreciate hearing from you. I have a .vsi file that should install just one of the customized templates that gives me the same message which I can email to anyone willing to help me with this.

FYI: I am using VS 2005 for now, but this will have to work for both VS2005 and VS2008 eventually.

Thanks a bunch for any help you can give me.

URW

Looking at the EditableRoot and DynamicRoot templates, they appear to be very similar, except for code in the Factory Method and Data Access regions.  The former uses Criteria objects whereas the latter uses SqlDataReaader.  In looking at the Project class in ProjectTracker, I notice it most closely resembles the EditableRoot template.  What is the use for DynamicRoot?

I just saw this:

http://www.codeplex.com/SnippetEditor

Having edited CSLA snippets by hand, this looks like an improvement.

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I am trying to figure out how to use the code-gen templates in the templates folder that is in the cslacs zipped folder that I got from the downloaded package.

But, how do I use it? 

btw: i know there is a codesmith project that I can buy that includes templates for csla, but, I was hoping to use the one that comes for free with csla.

Any help is much appreciated.

--Monico

Hi guys,

How to add CSLA templetes to Microsoft Visual Studio 2005 My Templates?

thanks

Jenny