/// <summary>
 /// 設置初始化值
 /// </summary>
 protected CheckBoxState SetAppCheck(DataAccess.App item) => item.Checked == "checked" ? CheckBoxState.Checked : CheckBoxState.UnChecked;
 /// <summary>
 /// 选择框点击時調用此方法
 /// </summary>
 /// <param name="item"></param>
 /// <param name="check"></param>
 protected void OnAppClick(DataAccess.App item, bool check)
 {
     item.Checked = check ? "checked" : "";
 }