public ActionResult Edit(string id)
{
if (Session["Username"] == null)
{
return(RedirectToAction("Index", "Login"));
}
EditViewModel evm = new EditViewModel();
student = studentService.GetById(id);
evm.RollNumber = student.RollNumber;
evm.Name = student.Name;
evm.CGPI = student.CGPI;
evm.Location = student.Location;
evm.DateOfBirth = student.DateOfBirth;
return(View(evm));
}