protected void Page_Load(object sender, EventArgs e) { try { if (!Page.IsPostBack) { MainView.ActiveViewIndex = 0; insureCarDAL = new InsureCarDAL(); DataTable dt = insureCarDAL.GetComboBoxCarYear(); foreach (DataRow row in dt.Rows) { ddlCarYear.Items.Add(new ListItem(row[0].ToString(), row[0].ToString())); } ddlCarYear.DataBind(); EVENT = ""; } if (Request.Url.ToString().Contains("btnSearch") || EVENT == "Click") { Session["DATA"] = insureCarDAL.GetAllCondition(CAR_YEAR, CAR_NAME, CAR_MODEL); HttpContext.Current.Response.Redirect("Detail.aspx"); } } catch (Exception ex) { } }