MSDN does document how to add a drill through action on a report. http://msdn.microsoft.com/EN-US/library/cc582049.aspx However I feel it is quite invasive and it could be done a lot cleaner without touching too many standard objects. Open up the SRSDrillThroughCommon class. Change the method GetDrillThroughUrl from a protected method to a public method. Then from the business logic class write a drill through method like so. [ DataMethod ( ) , PermissionSet ( SecurityAction. Assert , Name = "FullTrust" ) ] public static string ToTermOfPayment ( string reportContext, string termOfPayment ) { const string PaymTermMenuItem = "PaymTerm" ; const string PaymentTable = "Payment" ; const string PaymTermIdField = "PaymTermId" ; return DrillThroughCommonHelper. GetDrillthroughUrl ( reportContext, PaymTermMenuItem, string . Empty , PaymentTable, PaymTermIdField, termOfPayment ) ; }
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