protected void btnMoveLeft_Click(object sender, EventArgs e)
    {
        foreach (ListItem li in chkLstQtnUser.Items)
        {
            if (li.Selected == true)
            {
                int val = objUser.Insert_Travel_Quotation_Acess(Convert.ToInt32(li.Value), "REMOVEFROMLIST", Convert.ToInt32(Session["USERID"].ToString()));
            }
        }

        BindTravQtnUserList();
        BindUserList();

        Updpnl.Update();
    }