Problem description
====================
SharePoint 2010 encounters an error when attempting to access http: // servername/_ vti_bin/listdata. svc/$ metadata
Cocould not load type 'System. Data. Services. Providers. IDataServiceUpdateProvider 'from assembly 'System. Data. Services, Version = 3.5.0.0, Culture = neutral, PublicKeyToken = b77a5c561934e089 '.
Solution
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Install ADO. NET Data Services Update for. NET Framework 3.5 SP1 for Windows 7 and Windows Server 2008 R2
Download link: http://www.microsoft.com/downloads/en/details.aspx? Familyid = 79d7f6f8-d6e9-4b8c-8640-17f89452148e & displaylang = en
Solve the problem.
References
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Http://support.microsoft.com/kb/976127
The method described in the following article does not solve my problem.
Http://blog.hompus.nl/2010/03/26/could-not-load-type-idataserviceupdateprovider-when-using-rest-with-sharepoint-2010/