When i added new module by selecting module template for c# i get an error
that says ;

Error    1    The files '/DotNetNuke/App_Code/ModuleName/DataProvider.cs' and '/DotNetNuke/App_Code/AssemblyInfo.vb' use a different language, which is not allowed since they need to be compiled together.    /   

thnks...

see:

Survey Module Tutorial (C# and VB)

You can develop DotNetNuke modules in VB.NET or C# (or any other .Net language). However, if you are developing in a language other than VB.NET you have to add an entry like this to the web.config:

<codeSubDirectories>
    <add directoryName="Survey" />
 </codeSubDirectories>

This node is in the <system.web><compilation> node, (there is a commented out example in web.config).

You must perform this step because the main project is written in VB.NET and you must instruct the compiler to compile the indicated directory in C#.

This entry is only needed for the files placed in the directory under the App_Code directory.

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Michael Washington
http://ADefWebserver.com

A Free Open Source DotNetNuke Help Desk Module

I sugesst these tutorials in this order:

DotNetNuke® Tutorial Series:

• Super-Simple Module (DAL+)
• Super-Fast Super-Easy Module (DAL+)
• Using the DotNetNuke Website Starter Kit
• Survey Module Tutorial (C# and VB)

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Michael Washington
http://ADefWebserver.com

A Free Open Source DotNetNuke Help Desk Module