private void DeleteStudentInfo(int SubjectID)
        {
            VmStudentRegistration _objVmStudentRegistration = new VmStudentRegistration();

            _objVmStudentRegistration.SubjectID = SubjectID.ToString();
            long i = SubjectListBLL.DeleteSubject(_objVmStudentRegistration);

            if (i > 0)
            {
                GetAllSubject();
            }
        }
 protected void GetAllSubject()
 {
     try
     {
         DataTable dataTableDetails = SubjectListBLL.GetAllSubject();
         GrdSubjectList.DataSource = dataTableDetails;
         GrdSubjectList.DataBind();
     }
     catch (Exception ex)
     {
         Alert.Show(ex.Message.ToString());
     }
 }