private void FillDepartmentbyReq()
 {
     ddlDepartment.DataSource     = ic.GetDepartmentListByReqNo();
     ddlDepartment.DataValueField = "DPT_CODE";
     ddlDepartment.DataTextField  = "DPT_NAME";
     ddlDepartment.DataBind();
     ddlDepartment.Items.Insert(0, new ListItem("---Select One---", "0"));
 }