CheckUtil类

    public class CheckUtil
    {
        /// <summary>
        /// 检测DataSet是否有数据
        /// </summary>
        /// <param name="ds"></param>
        /// <returns></returns>
        public static bool CheckDataSet(DataSet ds)
        {
            bool res = false;
            if (ds != null && ds.Tables.Count > 0 && ds.Tables[0].Rows.Count > 0)
            {
                res = true;
            }
            return res;
        }

        /// <summary>
        /// 检测DataTable是否有数据
        /// </summary>
        /// <param name="dt"></param>
        /// <returns></returns>
        public static bool CheckDataTable(DataTable dt)
        {
            bool res = false;
            if (dt != null && dt.Rows.Count > 0)
            {
                res = true;
            }
            return res;
        }

        public static bool CheckArray<T>(T[] array)
        {
            bool res = false;
            if (array != null && array.Length > 0)
            {
                res = true;
            }
            return res;
        }

        public static bool CheckList<T>(List<T> list)
        {
            bool res = false;
            if (list != null && list.Count > 0)
            {
                res = true;
            }
            return res;
        }
    }