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Editor to share with you how to use Global.asax 's Application_Error to achieve error records, I believe most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!

Error log

The code is as follows:

Void Application_Error (object sender, EventArgs e)

{

/ / Code that runs when an unhandled error occurs

Exception ex = Server.GetLastError () .GetBaseException ()

StringBuilder str = new StringBuilder ()

Str.Append ("\ r\ n" + DateTime.Now.ToString ("yyyy.MM.dd HH:mm:ss"))

Str.Append ("\ r\ n. Customer Information:")

String ip = ""

If (Request.ServerVariables.Get ("HTTP_X_FORWARDED_FOR")! = null)

{

Ip = Request.ServerVariables.Get ("HTTP_X_FORWARDED_FOR"). ToString (). Trim ()

}

Else

{

Ip = Request.ServerVariables.Get ("Remote_Addr"). ToString (). Trim ()

}

Str.Append ("\ r\ n\ tIp:" + ip)

Str.Append ("\ r\ n\ t browser:" + Request.Browser.Browser.ToString ())

Str.Append ("\ r\ n\ t browser version:" + Request.Browser.MajorVersion.ToString ())

Str.Append ("\ r\ n\ t operating system:" + Request.Browser.Platform.ToString ())

Str.Append ("\ r\ n. Error message:")

Str.Append ("\ r\ n\ t page:" + Request.Url.ToString ())

Str.Append ("\ r\ n\ t error message:" + ex.Message)

Str.Append ("\ r\ n\ t error source:" + ex.Source)

Str.Append ("\ r\ n\ t exception method:" + ex.TargetSite)

Str.Append ("\ r\ n\ t stack information:" + ex.StackTrace)

Str.Append ("\ r\ n -")

/ / create a path

String upLoadPath = Server.MapPath ("~ / log/")

If (! System.IO.Directory.Exists (upLoadPath))

{

System.IO.Directory.CreateDirectory (upLoadPath)

}

/ / create file write error

System.IO.File.AppendAllText (upLoadPath + DateTime.Now.ToString ("yyyy.MM.dd") + ".log", str.ToString (), System.Text.Encoding.UTF8)

/ / clean up the exception in time after processing

Server.ClearError ()

/ / Jump to the error page

Response.Redirect ("~ / error.html")

}

The above is all the contents of the article "how to use Global.asax 's Application_Error to achieve error logging". Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!

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