private static void MostrarObjectContextExtension()
{
using (var e = new AdventureWorksEntities())
{
var c = e.Contatos.First();
Console.WriteLine(e.FoiAlterado(c));
c.Nome += " alterado";
Console.WriteLine(e.FoiAlterado(c));
}
}
private static void MostrarOnXXXChangXXX()
{
using (var e = new AdventureWorksEntities())
{
//e.Contatos.First().Nome += " alterado";
e.Contatos.First().Nome = null;
}
}
private static void MostrarOnPropertyChangXXX()
{
using (var e = new AdventureWorksEntities())
{
var c = e.Contatos.First();
c.PropertyChanged += CPropertyChanged;
c.PropertyChanging += CPropertyChanging;
c.Nome += " alterado";
c.Sobrenome = c.Sobrenome.ToUpper();
c.DataDeAlteracao = DateTime.Now;
}
}