private void DeleteQuotePrint() { ObjectParameter tranDT = new ObjectParameter("TranDT", typeof(DateTime?)); ObjectParameter result = new ObjectParameter("Result", typeof(Int32?)); string attachmentCategory = "QuotePrint"; try { _context.usp_QT_FileManagement_Delete(QuoteNumber, attachmentCategory, tranDT, result); lnkGetQuotePrint.Enabled = lnkDeleteQuotePrint.Enabled = false; lblQuotePrint.Text = ""; } catch (Exception ex) { string err = (ex.InnerException != null) ? ex.InnerException.Message : ex.Message; MessageBox.Show(err, "Error at DeleteQuotePrint()"); } }