public int Add(Links entity)
 {
     return dal.Add(entity);
 }
 public bool Update(Links entity)
 {
     return dal.Update(entity);
 }
        private Links FillEntity(DataRow dr)
        {
            Links entity = new Links()
            {
                ID = DataTypeHelper.Convert<Int32>(dr["ID"]),
                Title = DataTypeHelper.Convert<String>(dr["Title"]),
                ImageUrl = DataTypeHelper.Convert<String>(dr["ImageUrl"]),
                IsImage = DataTypeHelper.Convert<Int32>(dr["IsImage"]),
                SiteUrl = DataTypeHelper.Convert<String>(dr["SiteUrl"]),
                SortID = DataTypeHelper.Convert<Int32>(dr["SortID"]),
                AddTime = DataTypeHelper.Convert<DateTime>(dr["AddTime"])
            };

            return entity;
        }