Application_Error应用

简介:
void Application_Error(object sender, EventArgs e)  

           // 在出现未处理的错误时运行的代码         
            Exception objErr = Server.GetLastError().GetBaseException();
            string error = string.Empty;
            string errortime = string.Empty;
            string erroraddr = string.Empty;
            string errorinfo = string.Empty;
            string errorsource = string.Empty;
            string errortrace = string.Empty;
            error += "发生时间:" + System.DateTime.Now.ToString() + "<br>";
            errortime = "发生时间:" + System.DateTime.Now.ToString();
            error += "发生异常页: " + Request.Url.ToString() + "<br>";
            erroraddr = "发生异常页: " + Request.Url.ToString();
            error += "异常信息: " + objErr.Message + "<br>";
            errorinfo = "异常信息: " + objErr.Message; 
            errorsource = "错误源:" + objErr.Source;
            errortrace = "堆栈信息:" + objErr.StackTrace;
            error += "--------------------------------------<br>";
            Server.ClearError();
            Application["error"] = error;
            //独占方式,因为文件只能由一个进程写入.
           System.IO.StreamWriter writer=null;
            try
            {               
                lock (this)
                {
                    // 写入日志
                    string year = DateTime.Now.Year.ToString();
                    string month = DateTime.Now.Month.ToString();
                    string path = string.Empty;
                    string filename = DateTime.Now.Day.ToString() + ".txt";
                    path = Server.MapPath("~/Error/") + year + "/" + month;
                    //如果目录不存在则创建
                    if (!System.IO.Directory.Exists(path))
                    {
                        System.IO.Directory.CreateDirectory(path);
                    }
                    System.IO.FileInfo file = new System.IO.FileInfo(path + "/"+filename);        
                   
                    //文件不存在就创建,true表示追加
                    writer = new System.IO.StreamWriter(file.FullName, true)                   
                    writer.WriteLine("用户IP:" + Request.UserHostAddress); 
                    writer.WriteLine(errortime);
                    writer.WriteLine(erroraddr);
                    writer.WriteLine(errorinfo);
                    writer.WriteLine(errorsource);
                    writer.WriteLine(errortrace); 
                }
            }
            finally 
            {
                if (writer != null)
                    writer.Close();
                    
            }    
            Response.Redirect("~/Error/ErrorPage.aspx");
       
    }
 


ErrorPage.aspx
<head runat="server">
    <title>出错信息</title>
    <link href="css/SITE.CSS" type="text/css" rel="stylesheet" />   
</head>
<body>
    <form id="form1" runat="server">
        <asp:Label ID="Label1" runat="server" Width="568px"></asp:Label>
    
    </form>
</body>
 
ErrorPage.aspx.cs
 protected void Page_Load(object sender, EventArgs e)
    {
        this.Label1.Text = Application["Error"].ToString();
    }
 
当然,错误页你可以不显示具体的错误信息,而是给用户一个友好的提示页面。


原帖地址:http://blog.csdn.net/w809026418/archive/2009/08/19/4462237.aspx
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