Entity Framework SaveChanges does not save data

Question

using (var db = new dbEntities())
{
    var dbUser = (from u in db.Users
                  where u.Id == Id
                  select u).First();

    dbUser.LastName         


        

Answer 1

Look in you bin/debug folder for a copy of the database, it will have the changed data, as you are including the database a content with your app