static void Main(string[] args)
{
using (var e = new AdventureWorksEntities())
{
var c = e.Contatos.FirstOrDefault(x => x.ContactID == 19978);
c.Nome += "#";
Console.WriteLine(c.Nome);
e.SaveChanges();
Console.WriteLine(c.Nome);
e.Detach(c);
c.Nome += "@";
var key = e.CreateEntityKey("Contatos", c);
object o;
if (e.TryGetObjectByKey(key, out o))
{
e.ApplyCurrentValues(key.EntitySetName, c);
e.SaveChanges();
}
Console.WriteLine(e.Contatos.FirstOrDefault(x => x.ContactID == 19978).Nome);
}
Console.ReadKey();
}
public void UpdateContact(Contact c)
{
using (var e = new AdventureWorksEntities())
{
e.Attach(e.Contacts.Single(x => x.ContactID == c.ContactID));
e.ApplyCurrentValues("Contacts", c);
e.SaveChanges();
}
}
