var date = TxtDate.Text;
            var room_name = DrpRoom.Text;
            var attendees_pax = DrpPax.SelectedValue;
            var start_time = GetSelectedTimeIn;
            var end_time = GetSelectedTimeOut;
            string sql = $@"UPDATE Meeting SET date = '{date}', attendees_pax ={attendees_pax},start_time = '{start_time}', end_time = '{end_time}' where meeting_id = {0}";


    enter code here
            int rowsAffected = DBUtl.ExecSQL(sql, TxtMeetingID.Text);
   if (rowsAffected == 1)
            {
                Response.Redirect("CurrentBooking.aspx");
            }
            else
            {
                LtlMsg.Text = "Error " + DBUtl.DB_Message;
            }
        }