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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