protected void Page_Load(object sender, EventArgs e)
        {
            op = RequestData.Get <string>("op");
            id = RequestData.Get <string>("id");
            switch (RequestActionString)
            {
            case "update":
                ent = GetMergedData <ReleaseTemplate>();
                ent.DoUpdate();
                break;

            case "create":
                ent = GetPostedData <ReleaseTemplate>();
                ent.DoCreate();
                break;

            default:
                DoSelect();
                break;
            }
        }