WebErrorEvent 类

定义

public ref class WebErrorEvent : System::Web::Management::WebBaseErrorEvent

public class WebErrorEvent : System.Web.Management.WebBaseErrorEvent

type WebErrorEvent = class
    inherit WebBaseErrorEvent

Public Class WebErrorEvent
Inherits WebBaseErrorEvent

继承

Object

WebBaseEvent

WebManagementEvent

WebBaseErrorEvent

WebErrorEvent

示例

下面的代码示例演示如何派生自 WebErrorEvent 类以创建自定义事件。

此外，还显示了配置文件的摘录，使 ASP.NET 能够使用此自定义事件。

<healthMonitoring   
  enabled="true" heartBeatInterval="0">  

  <eventMappings>  

    <add  name="SampleWebErrorEvent" type="SamplesAspNet.SampleWebErrorEvent,weberrorevent,Version=1.0.1573.21549, Culture=neutral, PublicKeyToken=2a0b23915ac7352b, processorArchitecture=MSIL"/>  

  </eventMappings>  

  <profiles>  
    <add name="Custom"  
      minInstances="1"  
      maxLimit="Infinite"  
      minInterval="00:00:00" />  
  </profiles>  

  <rules>  
    <clear />  

    <add name="Custom Web Error Event"   
      eventName="SampleWebErrorEvent"  
      provider="EventLogProvider"   
      profile="Custom" />  
  </rules>  

</healthMonitoring>  

using System;
using System.Text;
using System.Web;
using System.Web.Management;

namespace Samples.AspNet.Management
{
  // Implements a custom WebErrorEvent class. 

    public class SampleWebErrorEvent : WebErrorEvent
    {
        private StringBuilder eventInfo;

        // Invoked in case of events identified 
        // only by their event code.
        public SampleWebErrorEvent(string msg, 
            object eventSource, int eventCode, Exception e)
            :
        base(msg, eventSource, eventCode, e)
        {
            // Perform custom initialization.
            eventInfo = new StringBuilder();
            eventInfo.Append(string.Format(
                "Event created at: ", EventTime.ToString()));
        }

        // Invoked in case of events identified 
        // by their event code.and 
        // related event detailed code.
        public SampleWebErrorEvent(string msg, 
            object eventSource, int eventCode, 
            int detailedCode, Exception e):
          base(msg, eventSource, 
            eventCode, detailedCode, e)
        {
            // Perform custom initialization.
            eventInfo = new StringBuilder();
            eventInfo.Append(string.Format(
                "Event created at: ", EventTime.ToString()));
        }


        // Raises the SampleWebErrorEvent.
        public override void Raise()
        {
            // Perform custom processing. 
            eventInfo.Append(string.Format(
                "Event raised at: ", EventTime.ToString()));

            // Raise the event.
            base.Raise();
        }

        // Obtains the current request information.
        public string GetRequestInfo()
        {
            string reqInfo = GetRequestInfo();
            return reqInfo;
        }

        // Obtains the current thread information.
        public string GetThreadInfo()
        {
            string threadInfo = GetThreadInfo();
            return threadInfo;
        }

        // Obtains the current process information.
        public string GetProcessInfo()
        {
            string procInfo = GetProcessInfo();
            return procInfo;
        }

        //Formats Web request event information..
        public override void FormatCustomEventDetails(
            WebEventFormatter formatter)
        {

            base.FormatCustomEventDetails(formatter);

            // Add custom data.
            formatter.AppendLine("");

            formatter.IndentationLevel += 1;
            formatter.AppendLine(
                "** SampleWebErrorEvent Start **");
          
            formatter.AppendLine(eventInfo.ToString());

            formatter.AppendLine(
                "** SampleWebBaseErrorEvent End **");

            formatter.IndentationLevel -= 1;
        }
    }
}

Imports System.Text
Imports System.Web
Imports System.Web.Management


' Implements a custom WebErrorEvent class. 

Public Class SampleWebErrorEvent
   Inherits WebErrorEvent
   Private eventInfo As StringBuilder
   
   
   ' Invoked in case of events identified 
   ' only by their event code.
    Public Sub New(ByVal msg As String, _
    ByVal eventSource As Object, _
    ByVal eventCode As Integer, ByVal e As Exception)
        MyBase.New(msg, eventSource, eventCode, e)
        ' Perform custom initialization.
        eventInfo = New StringBuilder()
        eventInfo.Append(String.Format( _
        "Event created at: ", EventTime.ToString()))
    End Sub
   
   
   ' Invoked in case of events identified 
   ' by their event code.and 
   ' related event detailed code.
    Public Sub New(ByVal msg As String, ByVal eventSource _
    As Object, ByVal eventCode As Integer, _
    ByVal detailedCode As Integer, ByVal e As Exception)
        MyBase.New(msg, eventSource, _
        eventCode, detailedCode, e)
        ' Perform custom initialization.
        eventInfo = New StringBuilder()
        eventInfo.Append(String.Format( _
        "Event created at: ", EventTime.ToString()))
    End Sub
   
   
   ' Raises the SampleWebErrorEvent.
   Public Overrides Sub Raise()
      ' Perform custom processing. 
        eventInfo.Append(String.Format( _
        "Event raised at: ", EventTime.ToString()))
      
      ' Raise the event.
      MyBase.Raise()
   End Sub
   
   ' Obtains the current request information.
   Public Function GetRequestInfo() As String
      Dim reqInfo As String = GetRequestInfo()
      Return reqInfo
   End Function 'GetRequestInfo
   
   
   ' Obtains the current thread information.
   Public Function GetThreadInfo() As String
      Dim threadInfo As String = GetThreadInfo()
      Return threadInfo
   End Function 'GetThreadInfo
   
   
   ' Obtains the current process information.
   Public Function GetProcessInfo() As String
      Dim procInfo As String = GetProcessInfo()
      Return procInfo
   End Function 'GetProcessInfo
   
   
   'Formats Web request event information..
    Public Overrides Sub FormatCustomEventDetails( _
    ByVal formatter As WebEventFormatter)

        MyBase.FormatCustomEventDetails(formatter)

        ' Add custom data.
        formatter.AppendLine("")

        formatter.IndentationLevel += 1
        formatter.AppendLine( _
        "** SampleWebErrorEvent Start **")

        formatter.AppendLine(eventInfo.ToString())

        formatter.AppendLine( _
        "** SampleWebBaseErrorEvent End **")

        formatter.IndentationLevel -= 1
    End Sub

End Class

注解

ASP.NET 运行状况监视允许生产和运营人员管理已部署的 Web 应用程序。 命名空间 System.Web.Management 包含负责打包应用程序运行状况状态数据的运行状况事件类型和负责处理此数据的提供程序类型。 它还包含支持类型，这些类型有助于管理运行状况事件。

提供有关 WebErrorEvent 配置或应用程序代码问题导致的错误的信息。 例如，在页面上找到错误时，ASP.NET 发出的错误。

构造函数

属性

方法

适用于

另请参阅

• ASP.NET 运行状况监视概述