Message Not Display inn GridView Row Command Event

Question

i am using Gridview and i want to delete item but not working Message Box in Asp.net some Code here

 'If Not ObjHelp.GetDwrHdr(wStr, HelpDbTableWs.DataRetrievalModeEnum.DataTable_WithWhereCondition, dsDWRHdr, eStr) Then
            '    Me.ShowErrorMessage("Error while Get DWRHRd Data", eStr)
            'End If

            'If dsDWRHdr.Tables(0).Rows.Count >= 0 Then
            '    objCommon.ShowAlertAndRedirect(LanguagesFunc.GetMsgString(Me.Page, Messages.Messages_Msg0007, ObjMessage.GetMessages(Messages.Messages_Msg0007)), "frmRejectApprovedMTP.aspx", Me)
            '    Exit Sub
            'End If