problem with Expression not equal types
- by user428547
class first
{
private int? firstID;
}
class second
{
private int secondID;
private int secondField;
}
public override Expression<Func<first, bool>> FirstFilter()
{
Contex db = new Contex();
List<second> list = (from p in db.second select p).ToList();
return b => list.Select(p => p.secondID).Contains(b.firstID);
}
and i have error: cannot convert from 'System.Collections.Generic.IEnumerable' to 'System.Collections.Generic.IEnumerable' i have tried many diferent ways, but i just don't know how can i fix it.
