public decimal DueDays(DateTime dtStartDate, DateTime dtEndDate) { PurchaseOrderMasterSP SPPurchaseOrderMaster = new PurchaseOrderMasterSP(); decimal decDueDays = 0; try { decDueDays = SPPurchaseOrderMaster.DueDays(dtStartDate, dtEndDate); } catch (Exception ex) { MessageBox.Show("PoBll 15:" + ex.Message, "OpenMiracle", MessageBoxButtons.OK, MessageBoxIcon.Information); } return decDueDays; }