public frmNewOrder(frmMain form, int customerID)
        {
            InitializeComponent();

            this.form = form;
            formAddItems = new frmAddCustItems(this);
            this.customerID = customerID;
            currentDateTime = DateTime.Now;
            serviceTypeIDList = new List<int>();
            newOrder = new tblOrder();
            productID_OrderItemsDictExist = new Dictionary<int, tblOrder_Item>();

            init();
        }
 partial void DeletetblOrder(tblOrder instance);
		private void detach_tblOrders(tblOrder entity)
		{
			this.SendPropertyChanging();
			entity.tblCustomer = null;
		}
 partial void UpdatetblOrder(tblOrder instance);
 partial void InserttblOrder(tblOrder instance);
		private void detach_tblOrders(tblOrder entity)
		{
			this.SendPropertyChanging();
			entity.tblService_Type = null;
		}
		private void detach_tblOrders(tblOrder entity)
		{
			this.SendPropertyChanging();
			entity.tblOrder_Status = null;
		}
		private void detach_tblOrders(tblOrder entity)
		{
			this.SendPropertyChanging();
			entity.tblEmployee = null;
		}