purple-class2-默认选项切换

#region 默认选项切换
        public delegate IList<SelectListItemInfo> DelegateDrop(IList<SelectListItemInfo> dals, string arrayStr);
        /// <summary>
        /// 默认选项切换
        /// </summary>
        /// <param name="arrayStr"></param>
        /// <param name="dalsTemple"></param>
        /// <returns></returns>
        public IList<SelectListItemInfo> GetSwitch(string arrayStr, IList<SelectListItemInfo> dalsTemple)
        {
            IList<SelectListItemInfo> dals = new List<SelectListItemInfo>();
            string[] array = arrayStr.Split(‘,‘);
            IList<SelectListItemInfo> dalsRole = dalsTemple;
            foreach (SelectListItemInfo item in dalsRole)
            {
                SelectListItemInfo dal = item;
                if (array.Contains(item.Value))
                {
                    dal.Selected = "selected=\"checked\"";
                }
                dals.Add(dal);
            }

            return dals;
        }
        #endregion