filter provider webpart

http://blogs.msdn.com/b/edhild/archive/2007/03/28/how-to-build-a-custom-filter-provider-web-part.aspx

 

http://msdn.microsoft.com/en-us/library/bb457205(office.12).aspx

 

http://msdn.microsoft.com/en-us/library/ms494838(v=office.12).aspx

 

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http://msdn.microsoft.com/en-us/library/microsoft.sharepoint.webpartpages.communication.ifilterprovider.aspx