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WebRequestEvent 類別

定義

定義提供 Web 要求資訊之事件的基底類別。

public ref class WebRequestEvent : System::Web::Management::WebManagementEvent
public class WebRequestEvent : System.Web.Management.WebManagementEvent
type WebRequestEvent = class
    inherit WebManagementEvent
Public Class WebRequestEvent
Inherits WebManagementEvent
繼承

範例

下列程式碼範例示範如何衍生自 WebRequestEvent 類別,以建立自訂事件。


using System;
using System.Text;
using System.Web;
using System.Web.Management;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace SamplesAspNet
{
    // Implements a custom WebRequestEvent. 
    public class SampleWebRequestEvent :
      System.Web.Management.WebRequestEvent
    {
        private string  customCreatedMsg, 
                        customRaisedMsg;

        // Invoked in case of events identified only 
        // by their event code.
        public SampleWebRequestEvent(
            string msg, 
            object eventSource, int eventCode): 
            base(msg, eventSource, eventCode)
        {
           
            // Perform custom initialization.
            customCreatedMsg =
              string.Format(
              "Event created at: {0}", 
              EventTime.ToString());
        }

        // Invoked in case of events identified 
        // by their event code.and 
        // related event detailed code.
        public SampleWebRequestEvent(string msg,
            object eventSource, int eventCode,
            int eventDetailCode):
            base(msg, eventSource, eventCode, 
            eventDetailCode)
        {
            // Perform custom initialization.
            customCreatedMsg =
              string.Format(
              "Event created at: {0}", 
              EventTime.ToString());
        }


        // Raises the SampleWebRequestEvent.
        public override void Raise()
        {
            // Perform custom processing.
            customRaisedMsg =
              string.Format(
              "Event raised at: {0}", 
              EventTime.ToString());

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

        //Formats Web request event information.
        public override void FormatCustomEventDetails(
            WebEventFormatter formatter)
        {
            // Add custom data.
            formatter.AppendLine("");

            formatter.IndentationLevel += 1;
            formatter.AppendLine(
                "* Custom Request Information Start *");

            //// Display custom event timing.
            formatter.AppendLine(customCreatedMsg);
            formatter.AppendLine(customRaisedMsg);

            formatter.AppendLine(
                "* Custom Request Information End *");

            formatter.IndentationLevel -= 1;
        }

    }
}
Imports System.Text
Imports System.Web
Imports System.Web.Management
Imports System.Web.UI
Imports System.Web.UI.WebControls


' Implements a custom WebRequestEvent. 
Public Class SampleWebRequestEvent
    Inherits System.Web.Management.WebRequestEvent
    Private customCreatedMsg, customRaisedMsg As String
    
    
    ' 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)
        MyBase.New(msg, eventSource, eventCode)

        ' Perform custom initialization.
        customCreatedMsg = String.Format( _
        "Event created at: {0}", _
        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 eventDetailCode As Integer)
        MyBase.New(msg, eventSource, _
        eventCode, eventDetailCode)
        ' Perform custom initialization.
        customCreatedMsg = String.Format( _
        "Event created at: {0}", _
        EventTime.ToString())

    End Sub
    

    ' Raises the SampleWebRequestEvent.
    Public Overrides Sub Raise() 
        ' Perform custom processing.
        customRaisedMsg = String.Format( _
        "Event raised at: {0}", _
        EventTime.ToString())
        
        ' Raise the event.
        MyBase.Raise()
    
    End Sub
    
    
    'Formats Web request event information.
    Public Overrides Sub FormatCustomEventDetails( _
    ByVal formatter As WebEventFormatter)
        ' Add custom data.
        formatter.AppendLine("")

        formatter.IndentationLevel += 1
        formatter.AppendLine( _
        "* Custom Request Information Start *")

        '// Display custom event timing.
        formatter.AppendLine(customCreatedMsg)
        formatter.AppendLine(customRaisedMsg)

        formatter.AppendLine( _
        "* Custom Request Information End *")

        formatter.IndentationLevel -= 1

    End Sub
End Class

以下是組態檔的摘錄,可讓 ASP.NET 使用自訂事件。

<healthMonitoring   
  enabled="true" heartBeatInterval="0">  
  <providers>  
    <!-- Define the custom provider that   
         processes custom Web request events. -->  
    <add name="SampleWebEventProvider"   
type="SamplesAspNet.SampleEventProvider,webeventprovider,Version=1.0.1573.18094, Culture=neutral, PublicKeyToken=b5a57a9a9d487cf4, processorArchitecture=MSIL"/>  
  </providers>  

  <eventMappings>  
    <!--  Define the event source that   
         issues custom events.   -->  
    <add  name="SampleWebRequestEvent"   
type="SamplesAspNet.SampleWebRequestEvent,webrequestevent,Version=1.0.1573.23947, Culture=neutral, PublicKeyToken=e717d983a78c8ddb, processorArchitecture=MSIL"/>  
    </eventMappings>  

  <rules>  
        <!-- Associate custom event with   
        related custom provider -->  
    <add   
      name="CustomWebRequestEvent"  
      eventName="SampleWebRequestEvent"   
      provider="SampleWebEventProvider"   
      profile="Critical"/>  
  </rules>  
</healthMonitoring>  

備註

會在 WebRequestEvent 每個 Web 要求引發 。

它會使用 WebRequestInformation 類別來取得要求資訊。

注意

在大部分情況下,您會使用標準 ASP.NET 健康情況監視類型,並藉由設定 healthMonitoring 組態區段來控制其行為。 您也可以建立自訂類型,如下一個範例所示。 如果您建立自訂事件種類,而且需要新增自己的資訊,請自訂 FormatCustomEventDetails 方法。 這可避免覆寫或竄改敏感性系統資訊。

建構函式

WebRequestEvent(String, Object, Int32)

以指定的事件參數,初始化 WebRequestEvent 類別。

WebRequestEvent(String, Object, Int32, Int32)

以指定的事件參數,初始化 WebRequestEvent 類別。

屬性

EventCode

取得與事件關聯的代碼值。

(繼承來源 WebBaseEvent)
EventDetailCode

取得事件詳細資料代碼。

(繼承來源 WebBaseEvent)
EventID

取得與此事件相關聯的識別項。

(繼承來源 WebBaseEvent)
EventOccurrence

取得計數器,表示事件發生的次數。

(繼承來源 WebBaseEvent)
EventSequence

取得應用程式引發此事件的次數。

(繼承來源 WebBaseEvent)
EventSource

取得引發事件的物件。

(繼承來源 WebBaseEvent)
EventTime

取得事件引發的時間。

(繼承來源 WebBaseEvent)
EventTimeUtc

取得事件引發的時間。

(繼承來源 WebBaseEvent)
Message

取得描述事件的訊息。

(繼承來源 WebBaseEvent)
ProcessInformation

取得關於 ASP.NET 應用程式裝載處理序的資訊。

(繼承來源 WebManagementEvent)
RequestInformation

取得與 Web 應用程式要求相關的資訊。

方法

Equals(Object)

判斷指定的物件是否等於目前的物件。

(繼承來源 Object)
FormatCustomEventDetails(WebEventFormatter)

提供事件資訊的標準格式。

(繼承來源 WebBaseEvent)
GetHashCode()

做為預設雜湊函式。

(繼承來源 Object)
GetType()

取得目前執行個體的 Type

(繼承來源 Object)
IncrementPerfCounters()

在內部使用,以逐步遞增效能計數器。

MemberwiseClone()

建立目前 Object 的淺層複製。

(繼承來源 Object)
Raise()

告知設定的提供者事件已發生來引發事件。

(繼承來源 WebBaseEvent)
ToString()

針對顯示用途,格式化事件資訊。

(繼承來源 WebBaseEvent)
ToString(Boolean, Boolean)

針對顯示用途,格式化事件資訊。

(繼承來源 WebBaseEvent)

適用於

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