protected void Page_Load(object sender, EventArgs e)
 {
     if (!IsPostBack)
     {
         Session.Clear();
     }
     ASPxCheckBoxList1.DataBind();
 }
 protected void ASPxCallbackPanel1_Callback(object sender, DevExpress.Web.CallbackEventArgsBase e)
 {
     string[] parameters = e.Parameter.Split('|');
     if (parameters[0] == "SaveSelections")
     {
         Session["Combo" + ASPxComboBox1.Value.ToString()] = parameters;
     }
     ASPxCheckBoxList1.DataBind();
 }