C# 写入错误信息

/// <summary>
        /// 写入信息
        /// </summary>
        /// <param name="Path">地址</param>
        /// <param name="Msg">信息</param>
        private static void WriteRecordFile(string Path, string Msg)

        {

            Path = System.Web.HttpContext.Current.Server.MapPath("/") + Path;//写入地址
            createFile(Path);
            using (StreamWriter writer = new StreamWriter(Path, true))
            {
                writer.WriteLine("Error:" + string.Format("{0:yyyy-MM-dd HH:mm:ss}", DateTime.Now) + " " + Msg + "\n");
                writer.Close();
                writer.Dispose();
            }
        }


        private static void createFile(string Path)
        {
            if (!File.Exists(Path))
                File.Create(Path);
        }

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原文：http://blog.csdn.net/senlin20/article/details/22803587