public ActionResult AjaxTreeSelect() { var ltsSourceModule = _moduleDa.GetAllListSimple(); var ltsValues = FDIUtils.StringToListInt(Request["ValuesSelected"]); var stbHtml = new StringBuilder(); _moduleDa.BuildTreeViewCheckBox(ltsSourceModule, 1, true, ltsValues, ref stbHtml); var model = new ModelModuleItem { Container = Request["Container"], SelectMutil = Convert.ToBoolean(Request["SelectMutil"]), SystemActionItem = SystemActionItem, StbHtml = stbHtml.ToString() }; ViewData.Model = model; return(View()); }