public IActionResult Delete(string id)
{
var student = _context.Student.Find(id);
if (student == null)
{
return(NotFound());
}
_context.Student.Remove(student);
_context.SaveChanges();
return(Redirect("Index"));
}
public IActionResult Delete(int id)
{
var mark = _context.Mark.Find(id);
if (mark == null)
{
return(NotFound());
}
_context.Mark.Remove(mark);
_context.SaveChanges();
return(Redirect("Index"));
}