public ActionResult Edit(int?id)
{
try
{
StudentGroup model;
if (id != null)
{
using (DataContext ctx = new DataContext())
{
model = ctx.StudentGroup.First(t => t.Id == id);
}
}
else
{
model = new StudentGroup();
model.InitNewObject();
}
return(View("Edit", model));
}
catch (Exception ex)
{
ViewBag.Message = ex.Message;
return(Index());
}
}