I dont know why this error is comin in SQLHelper.vb
Please HelpCode:Line 714: ByVal connectionOwnership As SqlConnectionOwnership) As SqlDataReader Line 715: Dim mustCloseConnection As Boolean = False Line 716: If (connection Is Nothing) Then Throw New ArgumentNullException("connection") Line 717: Line 718:' Create a command and prepare it for execution Source File: G:\Program Files\Microsoft Application Blocks for .NET\Data Access v2\Code\VB\Microsoft.ApplicationBlocks.Data\SQLHelper.vb Line: 716 Exception Details: System.ArgumentNullException: Value cannot be null. Parameter name: connection




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