void ExecuteSave(GridControl gridControl) { using (var db = new InventoryDB()) { long id = (long)db.InsertWithIdentity(PurchaseOrder); foreach (var item in PurchaseOrder.Purchases) { item.进货单ID = id; } db.BulkCopy(PurchaseOrder.Purchases); } // 上账之后重新初始化 PurchaseOrderInit(); // 刷新下面 UpdatePurchaseOrders.Execute(); }