protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { string search1 = (string)Session["search1"]; string search2 = (string)Session["search2"]; string search3 = (string)Session["search3"]; dml ob = new dml(); DataList1.DataSource = ob.get_datalist_searchColor(search1, search2, search3); DataList1.DataBind(); } }