public void Remove(UserAccount item)
 {
     using (var context = new IdentityDbContext())
     {
         context.UserAccounts.Remove(item);
         context.SaveChanges();
     }
 }
 public void Create(UserAccount account)
 {
     using (var context = new IdentityDbContext())
     {
         context.ChangeTracker.TrackGraph(account, node => node.Entry.State = EntityState.Added);
         context.SaveChanges();
     }
 }