public void checkStudent()
{
int sid = Convert.ToInt32(txtStudentID.Text);
var student = lbManageEntity.tbl_student.Where(x => x.StudentId == sid).FirstOrDefault();
if (student != null)
{
lbManageEntity.AddTotbl_StudentLogin(studentLib);
lbManageEntity.SaveChanges();
CleanAll();
}
else
{
lblMessafe.Text = "Incorrect Student ID Pleace cofirm your id";
}
}
