一起谈.NET技术，一步一步教你实现简单的自定义错误跟踪

xml version="1.0" encoding="utf-8"?>
<errorlog>
  <error>
    <datetime>datetime datetime>
    <filename>filename filename>
    <classname>classname classname>
    <methodname>methodname methodname>
    <errormethod>errormethod errormethod>
    <messsage>ErrorMessage messsage>
    <errordetails>Details goes here errordetails>
    <IP>IP adress IP>
    <url>URL url>
   error>
errorlog>

using  System; 
using  System.Collections.Generic; 
using  System.Text; 
using  System.Xml; 
using  System.Reflection; 
using  System.Diagnostics; 
namespace  code_center 
{ 
     public   class  errorHandler 
    { 
         string  _strErrorMessage, _strDetails, _strClassName, _strMethodName; 
        DateTime _dtOccuranceTime  =   new  DateTime(); 
         public  errorHandler() 
        { 
        } 
         public  errorHandler(DateTime time,  string  className,  string  methodName,
             string  errorMessage,  string  details) 
        { 
            _dtOccuranceTime  =  time; 
            _strClassName  =  className; 
            _strDetails  =  details; 
            _strErrorMessage  =  errorMessage; 
            _strMethodName  =  methodName; 
        } 
         public   static   void  WriteError(Exception ex) 
        { 
            WriteError(ex,  "" ); 
        } 
         public   static   void  WriteError(Exception ex,  string  fileName) 
        { 
            XmlDocument doc  =   new  XmlDocument(); 
             string  strRootPath  =
           System.Configuration.ConfigurationManager.AppSettings[ " logfilepath " ].ToString(); 
             string  xmlPath  =  System.Web.HttpContext.Current.Server.MapPath(strRootPath); 
            doc.Load(@xmlPath); 
            XmlNode newXMLNode, oldXMLNode; 
            oldXMLNode  =  doc.ChildNodes[ 1 ].ChildNodes[ 0 ]; 
            newXMLNode  =  oldXMLNode.CloneNode( true ); 
            StackTrace stackTrace  =   new  StackTrace(); 
            StackFrame stackFrame  =  stackTrace.GetFrame( 1 ); 
            MethodBase methodBase  =  stackFrame.GetMethod(); 
            newXMLNode.ChildNodes[ 0 ].InnerText  =  DateTime.Now.ToString(); 
            newXMLNode.ChildNodes[ 1 ].InnerText  =  fileName; 
            newXMLNode.ChildNodes[ 2 ].InnerText  =  methodBase.DeclaringType.FullName; 
            newXMLNode.ChildNodes[ 3 ].InnerText  =  methodBase.Name; 
            newXMLNode.ChildNodes[ 4 ].InnerText  =  ex.TargetSite.Name; 
            newXMLNode.ChildNodes[ 5 ].InnerText  =  ex.Message; 
            newXMLNode.ChildNodes[ 6 ].InnerText  =  ex.StackTrace; 
            newXMLNode.ChildNodes[ 7 ].InnerText  =  System.Web.HttpContext.Current.Request.UserHostAddress; 
            newXMLNode.ChildNodes[ 8 ].InnerText  =  System.Web.HttpContext.Current.Request.Url.OriginalString; 
            doc.ChildNodes[ 1 ].AppendChild(newXMLNode); 
            doc.Save(@xmlPath); 
            doc.RemoveAll(); 
        } 
    } 
} 

     public   partial   class  _Default : System.Web.UI.Page
    {
         protected   void  Page_Load( object  sender, EventArgs e)
        {
             try
            {
                 throw   new  Exception( " Custom error " );
            }
             catch  (Exception ex)
            {
                Response.Write(ex.Message);
                kirin.errorHandler.WriteError(ex,  " Default.aspx.cs " );
            }
        } 
    }

   < error >
     < datetime > 2010-1-29 9:29:24 datetime>
    <filename>Default.aspx.vb filename>
    <classname>kirin._Default classname>
    <methodname>Page_Load methodname>
    <errormethod>Page_Load errormethod>
    <messsage>Custom error messsage>
    <errordetails>   在 kirin._Default.Page_Load(Object sender, EventArgs e) 位置 C:\Demo\kirin_code_center\kirin\Default.aspx.cs:行号 16 errordetails>
    <IP>127.0.0.1 IP>
    <url>http://localhost:2192/default.aspx url>
error>