C# 异常日志记录

string errorTime = "异常时间：" + DateTime.Now.ToString();
string errorAddress = "异常地址：" + HttpContext.Current.Request.Url.ToString();
string errorInfo = "异常信息：" + ex.Message;
string errorSource = "错误源：" + ex.Source;
string errorType = "运行类型：" + ex.GetType();
string errorFunction = "异常函数：" + ex.TargetSite;
string errorTrace = "堆栈信息：" + ex.StackTrace;