private static void CUD()
{
var cust = (from cus in northwind.Customers
where cus.CustomerID == "ALFKI"
select cus).First();
// Update
cust.ContactName = "New Contact";
// Insert
Order ord = new Order { OrderDate = DateTime.Now };
cust.Orders.Add(ord);
Order ord0 = cust.Orders[0];
var cust2 = from cus in northwind.Customers
where cus.CustomerID == "WOLZB"
select cus;
if (cust2 != null)
{
northwind.Customers.DeleteOnSubmit(cust2.First());
}
northwind.SubmitChanges();
}
private void detach_Orders(Order entity)
{
this.SendPropertyChanging();
entity.Customer = null;
}
private void attach_Orders(Order entity)
{
this.SendPropertyChanging();
entity.Customer = this;
}
partial void DeleteOrder(Order instance);
partial void UpdateOrder(Order instance);
partial void InsertOrder(Order instance);
