public string PurchaseOrderVoucherMasterMax(decimal decVoucherTypeId) { PurchaseOrderMasterSP SPPurchaseOrderMaster = new PurchaseOrderMasterSP(); string max = "0"; try { max = SPPurchaseOrderMaster.PurchaseOrderVoucherMasterMax(decVoucherTypeId); } catch (Exception ex) { MessageBox.Show("PoBll 14:" + ex.Message, "OpenMiracle", MessageBoxButtons.OK, MessageBoxIcon.Information); } return max; }