using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.IO;namespace WebBuild_CRM.Common{    public class ExceptionRecord    {        public static void RecordException(Exception ex)        {            FileStream fileStream = null;            StreamWriter writer = null;            try            {                string path = System.Web.HttpContext.Current.Server.MapPath("~/ExceptionLog");                if (!Directory.Exists(path))                    Directory.CreateDirectory(path);                string filepath = string.Format("{0}/{1}.txt", path, DateTime.Now.ToString("yyyy-MM-dd"));                System.IO.FileInfo fileInfo = new System.IO.FileInfo(filepath);                if (!fileInfo.Exists)                    fileStream = fileInfo.Create();                else                    fileStream = fileInfo.Open(FileMode.Append, FileAccess.Write);                writer = new StreamWriter(fileStream);                writer.WriteLine(DateTime.Now);                writer.WriteLine(ex.Message);                writer.WriteLine(ex.StackTrace);                writer.WriteLine("");            }            finally            {                if (writer != null)                {                    writer.Close();                    writer.Dispose();                    fileStream.Close();                    fileStream.Dispose();                }            }        }    }}