[转载]asp.net页面出错时的处理方法

}
}
finally
{
if(writer!=null)
{
writer.Close();
}
}
Server.Transfer(“~/ErrorPage.aspx“); //跳转到显示友好 错误的页面

}

public void Page_Error(object sender,EventArgs e)
{
Exception ex=Server.GetLastError().GetBaseException();

string errorTime=“发生时间：“+DateTime.Now.ToString();
string errorAddress=“发生异常页：“+Request.Url.ToString();
string errorInfo=“异常信息：“+ex.Message;
string errorSource=“错误源：“+ex.Source;
string errorTrace=“堆栈信息：“+ex.StackTrace;

Server.ClearError();

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 day=DateTime.Now.Day.ToString();
string path=string.Empty;
string filename=DateTime.Now.ToString(“yyyyMMdd“)+“.txt“;
path=Server.MapPath(“~/Error/“)+year+month+day;
if(!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
System.IO.FileInfo file=new FileInfo(path+“/“+filename);
writer=new StreamWriter(file.FullName,true);//文件不在则创建，true表示追加
writer.WriteLine(“用户IP:“+Request.UserHostAddress);
writer.WriteLine(errorTime);
writer.WriteLine(errorAddress);
writer.WriteLine(errorInfo);
writer.WriteLine(errorSource);
writer.WriteLine(errorTrace);
writer.WriteLine(“——————————————-“);

}
}
finally
{
if(writer!=null)
{
writer.Close();
}
}

Server.ClearError();//防止错误继续到要被处理的 Application_Error 事件中。
Response.Redirect(“~/ErrorPage.aspx“);

}