MVC JsonResult的使用

        public JsonResult SearchUnitByID(string ID)
        {
            Flow_StateUnitDefine unit = new Flow_StateUnitDefine();
            unit = FlowAccessor.GetUnitByID(ID);
            return this.Json(unit);
        }

    function OrgFocusedRowChanged(s, e) {
        var ID = s.GetRowKey(s.GetFocusedRowIndex());
        if (ID != null) {
            $.post("../Flow/SearchUnitByID?MenuID=" + getQueryStringRegExp('MenuID'),
                   { ID: s.GetRowKey(s.GetFocusedRowIndex()) },
                   function (data) {
                       txtState.SetValue(data.StateName);
                       txtUnit.SetValue(data.UnitName);
                       if (data.DataShowMeta == "null") {
                           memoData.SetValue("");
                       }
                       else {
                           memoData.SetValue(data.DataShowMeta);
                       }
                       txtID.SetValue(data.ID);
                       if (data.Type == "1") {
                           cboType.SetSelectedIndex(0);
                       }
                       else if (data.Type == "2") {
                           cboType.SetSelectedIndex(1);
                       }
                       else {
                           cboType.SetSelectedIndex(-1);
                       }
                   });
        }
        else {
            txtState.SetValue("");
            txtUnit.SetValue("");
            memoData.SetValue("");
            cboType.SetSelectedIndex(-1);
        }
    }

        public JsonResult SearchUnitByID(string ID)
        {
            Flow_StateUnitDefine unit = new Flow_StateUnitDefine();
            unit = FlowAccessor.GetUnitByID(ID);
            return this.Json(unit, JsonRequestBehavior.AllowGet);
        }