Monday, May 10, 2010

Solving could not load type error with ListData.svc in SharePoint 2010 RTM

If you encounter the following error when you access the listdata.svc service in SharePoint Server 2010 RTM -

Could not load type 'System.Data.Services.Providers.IDataServiceUpdateProvider' from assembly 'System.Data.Services, Version=, Culture=neutral, PublicKeyToken=b77a5c561934e089'

you are probably missing the latest update of ADO.NET Data Services for .Net Framework 3.5 SP1. There are two versions -

Apparently this is not picked up by the prerequisites installer.

1 comment:

Patrick Lamber ... said...

this helped me. There seems to be a different update for Windows Server 2008 R2:

Best regards,