protected void btnUpdate_Click(object sender, EventArgs e)
    {
        objBll = new WarringtonBll.WarringtonBll();
        pnlEdit.Visible = true;

        Button btnUpdate = (Button)sender;
        GridViewRow gvr = (GridViewRow)btnUpdate.NamingContainer;
        var hdnRequestId = (HiddenField)gvr.FindControl("hdnRequestId");
        var lblProbAddress = (Label)gvr.FindControl("lblProbAddress");
        var lblShortDesc = (Label)gvr.FindControl("lblShortDesc");
        var lblLongDesc = (Label)gvr.FindControl("lblLongDesc");

        hdnReqId.Value = hdnRequestId.Value;
        hdnFileList.Value = objBll.GetUploadedFiles(Convert.ToInt32(hdnRequestId.Value));
        txtAddress.Text = lblProbAddress.Text;
        txtShortDesc.Text = lblShortDesc.Text;
        txtLongDesc.Text = lblLongDesc.Text;
    }