public IActionResult GetTeacherById(int Id)
{
if (Id < 0)
{
BadRequest();
}
var teacher = _teacherRepo.GetTeacherById(Id);
return(Ok(teacher));
}
public Teacher GetTeacherById(int?id)
{
var teacherid = iteacher.GetTeacherById(id);
return(teacherid);
}