protected void BindStaffDetails()
    {
        DataTable dtstaffDetails = TMSFacultyDetails.GetSearchStaffFacultyDetails(null, null, "Staff", Convert.ToInt64(HiddenID.Value)).Tables[0];

        ListStaff.DataSource = dtstaffDetails;
        ListStaff.DataBind();
    }
    protected void BindPrincipalDetails()
    {
        try
        {
            DataTable dt = null;

            dt = TMSFacultyDetails.GetStaffFacultyDetails(null, 1, null).Tables[0];

            if (dt.Rows.Count > 0)
            {
                ListStaff.DataSource = dt;
                ListStaff.DataBind();
            }
            else
            {
                ListStaff.DataSource = null;
                ListStaff.DataBind();
            }
        }
        catch { }
    }