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); } } }