protected void btnSearch_Click(object sender, EventArgs e)
        {
            Clear();
            string searchValue = dlSearch.SelectedValue;

            if (!searchValue.Equals(""))
            {
                List <ScheduleDTO> searchResultList = new List <ScheduleDTO>();
                searchResultList = ScheduleDaos.GetScheduleListByMovieID(searchValue);
                Session.Add("AdminSearchList", searchResultList);
                if (searchResultList.Count > 0)
                {
                    lblMessage.Text        = "";
                    gvStaffList.Visible    = true;
                    gvStaffList.DataSource = null;
                    gvStaffList.DataSource = searchResultList;
                    gvStaffList.DataBind();
                }
                else if (searchResultList == null)
                {
                    gvStaffList.Visible    = false;
                    gvStaffList.DataSource = null;
                    SetMessageTextAndColor("No record found", Color.Red);
                }
                else
                {
                    gvStaffList.Visible    = false;
                    gvStaffList.DataSource = null;
                    SetMessageTextAndColor("No record found", Color.Red);
                }
            }
        }