Wednesday, January 19, 2011

Error while accessing ListData.svc : ADO.NET Data Services

Could not load type 'System.Data.Services.Providers.IDataServiceUpdateProvider' from assembly 'System.Data.Services, Version=3.5.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'.

#1
As error suggests, please ensure that you have System.Data.Services entry in the Global Assembly Cache (GAC)

#2 download and install
http://www.microsoft.com/downloads/en/details.aspx?FamilyID=a71060eb-454e-4475-81a6-e9552b1034fc&displaylang=en



#3 downloand and install the ADO.NET Data Services Update for .NET 3.5 SP1.

http://www.microsoft.com/downloads/en/details.aspx?familyid=4B710B89-8576-46CF-A4BF-331A9306D555&displaylang=en


#4 Do not forget to reset the IIS.

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