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Building Silverlight solution with RIA service enabled fails on SharePoint 2010 SP1 Environments

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This post is a contribution from Raghavendra Nanjaiah, an engineer with the SharePoint Developer Support team.

On a SharePoint 2010 SP1 environment when you try to build Silverlight 4 or 5 solution with the following settings:

  1. Create a new “Silverlight Application” project.
  2. Host the Silverlight application in a new web site (default selected).
  3. Silverlight version = Silverlight 4.
  4. Check ON “Enable WCF RIA Services”.
  5. Open SilverlightApplication.Web project.
  6. Right-click References and add Microsoft.SharePoint.dll.
  7. Ensure “Configuration Manager” for the solution is set to “Any CPU”.
  8. Build the entire solution.

It fails with the following error:

image

For better readability here’s the complete error:

 The "CreateRiaClientFilesTask" task failed unexpectedly.
 System.Web.HttpException (0x80004005): Could not load file or assembly 'Microsoft.Sharepoint.Sandbox' or one of its dependencies. An attempt was made to load a program with an incorrect format. ---> System.Configuration.ConfigurationErrorsException: Could not load file or assembly 'Microsoft.Sharepoint.Sandbox' or one of its dependencies. An attempt was made to load a program with an incorrect format. ---> System.BadImageFormatException: Could not load file or assembly 'Microsoft.Sharepoint.Sandbox' or one of its dependencies. An attempt was made to load a program with an incorrect format.
    at System.Reflection.RuntimeAssembly._nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, RuntimeAssembly locationHint, StackCrawlMark& stackMark, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks)
    at System.Reflection.RuntimeAssembly.nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, RuntimeAssembly locationHint, StackCrawlMark& stackMark, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks)
    at System.Reflection.RuntimeAssembly.InternalLoadAssemblyName(AssemblyName assemblyRef, Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean forIntrospection, Boolean suppressSecurityChecks)
    at System.Reflection.RuntimeAssembly.InternalLoad(String assemblyString, Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean forIntrospection)
    at System.Reflection.Assembly.Load(String assemblyString)
    at System.Web.Configuration.CompilationSection.LoadAssemblyHelper(String assemblyName, Boolean starDirective)

 

Here’s the workaround we used to fix this issue.

1. Copy Microsoft.SharePoint.Sandbox.dll from GAC to local drive.

image 

Path: “%windir%\assembly\GAC_64\Microsoft.Sharepoint.Sandbox\14.0.0.0__71e9bce111e9429c”

2. Add reference of the copied Microsoft.SharePoint.Sandbox.dll from GAC to SilverlightApplication1.web.

image

3. Set “Local Copy” property of the Microsoft.SharePoint.Sandbox.dll to “false”.

image

4. Build the solution.

Hope this was helpful!

Comments

  • Anonymous
    May 02, 2013
    VS 2010 Framework 3.5 Agregar IIS SQL 2005 Full Microsoft Silverlight 4 Developer Runtime Microsoft Silverlight 4 Tools for Visual Studio 2010 Microsoft Silverlight 4 SDK Microsoft Silverlight 4 Tools Package WCF RIA Services RC Telerik; Tuve el problema por 2 semanas; la solución, en le menú de vs2010 actualizé telerik y listo funcionando I had the problem for 2 weeks, the solution, we un updating vs2010 telerik menu and ready to operate