Prefix Add string
public string GetNextPurchaseOrderPOLineItemNo(List<PurchaseOrder_TDI> purchaseOrderTDIlst) { long currentItem = 0; if (purchaseOrderTDIlst.Count > 0) { var maxItem = purchaseOrderTDIlst.Max(p => Convert.ToInt32(p.POLineItemNo)); if (maxItem != 0) { currentItem = Convert.ToInt32(maxItem) + 10; } else { currentItem = 10; ...