[研究][ASP.NET][C#] ELMAH - 錯誤通知信設定

[研究][ASP.NET][C#] ELMAH - 錯誤通知信設定

[研究][C#] ELMAH - ASP.NET錯誤記錄模組 (Error Logging Modules and Handlers)(NuGet安裝)

2022-04-16

官方網站

https://elmah.github.io/

https://code.google.com/p/elmah/downloads/list

https://www.nuget.org/packages/elmah/1.2.2

環境：Windows Server 2019 + Visual Studio 2019

Web.Config 內容

找到  <location path="elmah.axd" inheritInChildApplications="false"> 之行

上方的 <elmah> </elmah> 區塊，進行修改。

********************************************************************************

<?xml version="1.0" encoding="utf-8"?>

<!--

  如需如何設定 ASP.NET 應用程式的詳細資訊，請前往

  https://go.microsoft.com/fwlink/?LinkId=169433

  -->

<configuration>

  <configSections>

    <sectionGroup name="elmah">

      <section name="security" requirePermission="false" type="Elmah.SecuritySectionHandler, Elmah" />

      <section name="errorLog" requirePermission="false" type="Elmah.ErrorLogSectionHandler, Elmah" />

      <section name="errorMail" requirePermission="false" type="Elmah.ErrorMailSectionHandler, Elmah" />

      <section name="errorFilter" requirePermission="false" type="Elmah.ErrorFilterSectionHandler, Elmah" />

    </sectionGroup>

  </configSections>

  <system.web>

    <compilation debug="true" targetFramework="4.7.2" />

    <httpRuntime targetFramework="4.7.2" />

    <httpModules>

      <add name="ErrorLog" type="Elmah.ErrorLogModule, Elmah" />

      <add name="ErrorMail" type="Elmah.ErrorMailModule, Elmah" />

      <add name="ErrorFilter" type="Elmah.ErrorFilterModule, Elmah" />

    </httpModules>

  </system.web>

  <system.codedom>

    <compilers>

      <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=2.0.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:default /nowarn:1659;1699;1701" />

      <compiler language="vb;vbs;visualbasic;vbscript" extension=".vb" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.VBCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=2.0.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:default /nowarn:41008 /define:_MYTYPE=\&quot;Web\&quot; /optionInfer+" />

    </compilers>

  </system.codedom>

  <system.webServer>

    <validation validateIntegratedModeConfiguration="false" />

    <modules>

      <add name="ErrorLog" type="Elmah.ErrorLogModule, Elmah" preCondition="managedHandler" />

      <add name="ErrorMail" type="Elmah.ErrorMailModule, Elmah" preCondition="managedHandler" />

      <add name="ErrorFilter" type="Elmah.ErrorFilterModule, Elmah" preCondition="managedHandler" />

    </modules>

  </system.webServer>

  <elmah>

    <!--<errorMail from="test@test.com" to="test@test.com" subject="Application Exception" async="false" smtpPort="25" smtpServer="***" userName="***" password="***">    </errorMail>-->

    <!--<errorMail subject="【XX網站】error" from="from@test.com" to="to1@test.com, to2@test.com" priority="High" async="true" smtpPort="0" smtpServer="localhost"  />-->

    <errorMail subject="【XX網站】{0}" from="from@test.com" to="to1@test.com, to2@test.com" priority="High" async="true" smtpPort="0" smtpServer="localhost"  />

    <!--

        See http://code.google.com/p/elmah/wiki/SecuringErrorLogPages for 

        more information on remote access and securing ELMAH.

    -->

    <security allowRemoteAccess="false" />

  </elmah>

  <location path="elmah.axd" inheritInChildApplications="false">

    <system.web>

      <httpHandlers>

        <add verb="POST,GET,HEAD" path="elmah.axd" type="Elmah.ErrorLogPageFactory, Elmah" />

      </httpHandlers>

      <!-- 

        See http://code.google.com/p/elmah/wiki/SecuringErrorLogPages for 

        more information on using ASP.NET authorization securing ELMAH.

      <authorization>

        <allow roles="admin" />

        <deny users="*" />  

      </authorization>

      -->

    </system.web>

    <system.webServer>

      <handlers>

        <add name="ELMAH" verb="POST,GET,HEAD" path="elmah.axd" type="Elmah.ErrorLogPageFactory, Elmah" preCondition="integratedMode" />

      </handlers>

    </system.webServer>

  </location>

</configuration>

********************************************************************************

{0} 是 Elmah errorMail 預設錯誤主旨

Default.axpx
<%@ Page Language="C#" AutoEventWireup="true" 
    CodeBehind="Default.aspx.cs" Inherits="WebApplication1.Default" %>

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
        <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox><br />
         <asp:TextBox ID="TextBox2" runat="server"></asp:TextBox><br />
        <asp:Button ID="Button1" runat="server" Text="Button" 
            OnClick="Button1_Click" /><br />
        <asp:Label ID="Label1" runat="server"></asp:Label>
    </form>
</body>
</html>


Default.aspx.cs
using System;

namespace WebApplication1
{
    public partial class Default : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {

        }

        protected void Button1_Click(object sender, EventArgs e)
        {
            Int32.TryParse(TextBox1.Text, out int a);
            Int32.TryParse(TextBox2.Text, out int b);
            Label1.Text = (a / b).ToString();
        }
    }
}

第1個欄位隨便輸入整數，第2個欄位輸入0，按下按鈕，執行結果

(完)