Solve problem occured in connecting with SQL

Question

When I tried to Add Data Source to my gridView in visual studio 2008, below error occured.
(I work with Visual Studio 2008 and MS Sql Server 2005)   Error  Message: Could not load type
'Microsoft.VisualStudio.DateDesign.SyncDesigner.SyncFacade.SyncManager' from assembly
'Microsoft.VisualStudio.DateDesign.SyncDesigner.DslPackage,Version=9.0.0.0, Culture=neutral
PublicKeyToken=b03f5f7f11d50a3a'v
How to solve this?

Santhosh Kumar Jayaraman · Answer

You have to install visual studio 2008 service pack1..
Please read the cause, resolution in the below link for the error message.
http://support.microsoft.com/kb/2001115