protected void Page_Load(object sender, EventArgs e) { try { if (IsPostBack.IsFalse()) { txtOTSlabID.Text = StaticInfo.NewIDString; txtOTSlabID.Enabled = false; InitializeSession(); } Page.ClientScript.GetPostBackEventReference(this, String.Empty); String eventTarget = Request["__EVENTTARGET"].IsNullOrEmpty() ? String.Empty : Request["__EVENTTARGET"]; if (Request["__EVENTTARGET"] == "SearchOTSlab") { ASL.Hr.DAO.OTSlab searchOTSlab = Session[ASL.STATIC.StaticInfo.SearchSessionVarName] as ASL.Hr.DAO.OTSlab; if (searchOTSlab.IsNotNull()) { txtOTSlabID.Text = searchOTSlab.OTSlabID; OTSlabList = manager.GetAllOTSlab(searchOTSlab.OTSlabID); } } } catch (Exception ex) { throw ex; } }