If I have time I’ll investigate this situation.

Alk.

I have no problem with get method, but when I tried with update method I have some problems.

Can you post an example on how you can make an update with your layered structure?

P.S.: I want to pass to update function or the concrete object or the interface and then “translate” it into concrete.

I tried to place the interface in objectdatasource but I obtained an error because it tried to instantiate it.

Then I tried to specify the DataObjectTypeName adding the following in objectdatasource Init:

protected override void OnInit(EventArgs e)
{
RefreshTypeName();
base.OnInit(e);
}
public void RefreshTypeName() {
base.TypeName = GetConcreteTypeFor(Type.GetType(TypeName + “, MachinaWeb.Services”)).FullName;

if (!String.IsNullOrEmpty(DataObjectTypeName))
{
base.DataObjectTypeName = GetConcreteTypeFor(Type.GetType(DataObjectTypeName + “, MachinaWeb.Services”)).FullName;
}

}

but I cannot obtain isolation because with this lines it needs and update method with Concrete class as argument of update function (I want interface as argument).