extraClassNames = "test";


 controls = [
    {
      control: {
        controlType: "help",
        uri: "assets/data/grid.json",
        idField: "id",
        textField: "name",
        valueField: "id",
        displayType: "list",
        mapFields: {"id":"testHelpValue", "name":"testHelp"},
        singleSelect: false,
        title: "动态弹出窗口",
        hiddenInputName: "testHelpValue"
      },
      className: "",
      labelCode: "testHelp",
      name: "单选帮助"
    }
  ];