private void FillInstitute()
        {
            oDT = new DataTable();
            oDT = oInstituteRepository.InstituteSearch(pk_Uni_ID, string.Empty, string.Empty, string.Empty, string.Empty, string.Empty, string.Empty);

            oCommon = new clsCommon();
            if (oDT.Rows.Count > 0 && oDT != null)
            {
                oCommon.fillDropDown(ddlStudyCenter, oDT, "0", "Text", "Value", "---- Select ----");
                FillOnlyToolTip(ddlStudyCenter);
            }
        }