public static string InsertNewCustomer(Customer customer)
{
if (customer == null)
{
throw new ArgumentNullException("You can not pass null as parameter");
}
using (var northwindEntities = new NorthwindEntities())
{
northwindEntities.Customers.Add(customer);
northwindEntities.SaveChanges();
return customer.CustomerID;
}
}
public static void Main()
{
var newCustomer = new Customer
{
CustomerID = "test",
CompanyName = "Royal-Dutsch Shell"
};
TestInsertACustomer(newCustomer);
TestMoodifyCustomer(newCustomer.CustomerID);
TestDeleteCustomer(newCustomer.CustomerID);
}
private static void TestInsertACustomer(Customer newCustomer)
{
var newId = CustomersFunctionality.InsertNewCustomer(newCustomer);
Console.WriteLine("Added new customer with id {0}", newId);
}
