public static void ChangeCustomerContactName(string customerId, string newName)
{
var dbContex = new NorthwindEntities();
using (dbContex)
{
var customer = dbContex.Customers
.FirstOrDefault(c => c.CustomerID == customerId);
if (customer == null)
{
return;
}
customer.ContactName = newName;
dbContex.SaveChanges();
}
}
public static void DeleteCustomer(string custumerId)
{
var dbContex = new NorthwindEntities();
using (dbContex)
{
var customer = dbContex.Customers
.Where(c => c.CustomerID == custumerId)
.FirstOrDefault();
if (customer == null)
{
return;
}
dbContex.Customers.Remove(customer);
dbContex.SaveChanges();
}
}
public static void DeleteCustomer(string custumerId)
{
var dbContex = new NorthwindEntities();
using (dbContex)
{
var customer = dbContex.Customers
.Where(c => c.CustomerID == custumerId)
.FirstOrDefault();
if (customer == null)
{
return;
}
dbContex.Customers.Remove(customer);
dbContex.SaveChanges();
}
}
public static void ChangeCustomerContactName(string customerId, string newName)
{
var dbContex = new NorthwindEntities();
using (dbContex)
{
var customer = dbContex.Customers
.FirstOrDefault(c => c.CustomerID == customerId);
if (customer == null)
{
return;
}
customer.ContactName = newName;
dbContex.SaveChanges();
}
}
public static void InsertCustomer(Customer custumer)
{
var dbContex = new NorthwindEntities();
using (dbContex)
{
dbContex.Customers.Add(custumer);
dbContex.SaveChanges();
}
}