ADODataSetCommand.FillDataSet failure!

Originally posted by : sridhar d (dsridhar646@yahoo.com)Hai,Iam getting an error while using ADODataSetCommand.FillDataSet saying "QueryInterface for interface System.Data.ADO.Interop.IDataInitialize failed. Exception Details: System.InvalidCastException: QueryInterface for interface System.Data.ADO.Interop.IDataInitialize failed."This error is coming randomly not always. Any one please help out how to solve it.Here is code snippet iam usingDim MaxCmd As String = "Select nvl(max(CANDIDATE_ID),0)+1 from REGISTRATION" Dim MyMax As ADODataSetCommand = New ADODataSetCommand(MaxCmd,Session("DataConn").toString()) Dim MS as DataSet = New DataSet() MyMax.FillDataSet(MS, "Max") Dim MT as DataTable = New DataTable() MT = MS.Tables("Max")...............Sridhar