AdRotator.OnAdCreated(AdCreatedEventArgs) AdRotator.OnAdCreated(AdCreatedEventArgs) AdRotator.OnAdCreated(AdCreatedEventArgs) AdRotator.OnAdCreated(AdCreatedEventArgs) Method

Definition

Löst das AdCreated-Ereignis für das AdRotator-Steuerelement aus.Raises the AdCreated event for the AdRotator control.

protected:
 virtual void OnAdCreated(System::Web::UI::WebControls::AdCreatedEventArgs ^ e);
protected virtual void OnAdCreated (System.Web.UI.WebControls.AdCreatedEventArgs e);
abstract member OnAdCreated : System.Web.UI.WebControls.AdCreatedEventArgs -> unit
override this.OnAdCreated : System.Web.UI.WebControls.AdCreatedEventArgs -> unit
Protected Overridable Sub OnAdCreated (e As AdCreatedEventArgs)

Parameter

Beispiele

Im folgenden Codebeispiel wird veranschaulicht, wie Sie einen Handler für das AdCreated -Ereignis angeben und codieren.The following code example demonstrates how to specify and code a handler for the AdCreated event. Sie ruft die URL ab, die der Ankündigung zugeordnet AdRotator ist, wenn das Steuerelement erstellt wird, und zeigt Sie unter dem Steuerelement an.It gets the URL associated with the advertisement when the AdRotator control is created and displays it below the control.

<%@ Page Language="C#" AutoEventWireup="True" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
 <head runat="server">
    <title>AdRotator Example</title>
</head>
 
    <script language="c#" runat="server">
       void AdCreated_Event(Object sender, AdCreatedEventArgs e) 
       {
          Message.Text=e.NavigateUrl;   
       }      
    </script>
 
 <body>
 
    <form id="form1" runat="server">
 
       <h3>AdRotator Example</h3>
 
       <asp:AdRotator id="test1" runat="server"
            AdvertisementFile = "~/App_Data/Ads.xml"
            Borderwidth="1"
            Target="_blank"
            OnAdCreated="AdCreated_Event"/><br /><br />
 
       <asp:label id="Message" runat="server"/>
 
    </form>
 
 </body>
 </html>
    
<%@ Page Language="VB" AutoEventWireup="True" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
 <head runat="server">
    <title>AdRotator Example</title>
</head>
 
    <script language="vb" runat="server">
       Sub AdCreated_Event(sender As Object, e As AdCreatedEventArgs) 
          Message.Text=e.NavigateUrl
       End Sub
    </script>
 
 <body>
 
    <form id="form1" runat="server">
 
       <h3>AdRotator Example</h3>
 
       <asp:AdRotator id="test1" runat="server"
            AdvertisementFile = "~/App_Data/Ads.xml"
            Borderwidth="1"
            Target="_blank"
            OnAdCreated="AdCreated_Event"/><br /><br />
 
       <asp:label id="Message" runat="server"/>
 
    </form>
 
 </body>
 </html>
    

Im folgenden Codebeispiel wird veranschaulicht, wie die XML-Datei mit den Ankündigungs Informationen formatiert wird.The following code example demonstrates how to format the XML file that contains the advertisement information. Weitere Informationen zur XML-Datei finden Sie unter der AdvertisementFile -Eigenschaft.For more information on the XML file, see the AdvertisementFile property.

<Advertisements>  
  <Ad>  
    <ImageUrl>~/Images/image1.jpg</ImageUrl>  
    <Height>60</Height>  
    <Width>190</Width>  
    <NavigateUrl>http://www.microsoft.com</NavigateUrl>  
    <AlternateText>Microsoft Main Site</AlternateText>  
    <Impressions>80</Impressions>  
    <Keyword>Topic1</Keyword>  
    <Caption>This is the caption for Ad#1</Caption>   
  </Ad>  
  <Ad>  
    <ImageUrl>~/Images/image2.jpg</ImageUrl>  
    <Height>90</Height>  
    <Width>90</Width>  
    <NavigateUrl>http://www.wingtiptoys.com</NavigateUrl>  
    <AlternateText>Wingtip Toys</AlternateText>  
    <Impressions>80</Impressions>  
    <Keyword>Topic2</Keyword>  
    <Caption>This is the caption for Ad#2</Caption>   
  </Ad>  
</Advertisements>  

<%@ Page Language="C#" AutoEventWireup="True" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>AdRotator AdCreated Example</title>
</head>
 
   <script runat="server">

      void Page_Load(Object sender, EventArgs e)
      {

         // Create an EventHandler delegate for the method you want to handle the event
         // and then add it to the list of methods called when the event is raised.
         Ad.AdCreated += new System.Web.UI.WebControls.AdCreatedEventHandler(this.AdCreated_Event);

      }

      void AdCreated_Event(Object sender, AdCreatedEventArgs e) 
      {

         // Override the AlternateText value from the ads.xml file.
         e.AlternateText = "Visit this site!";   

      }      

   </script>
 
<body>
 
   <form id="form1" runat="server">
 
      <h3>AdRotator AdCreated Example</h3>

      Notice that the AlternateText property of the advertisement <br />
      has been programmatically modified from the value in the XML <br />
      file. 

      <br /><br />
 
      <asp:AdRotator id="Ad" runat="server"
           AdvertisementFile = "~/App_Data/Ads.xml"
           Borderwidth="1"
           Target="_blank"/>
 
   </form>
 
</body>
</html>


<%@ Page Language="VB" AutoEventWireup="True" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>AdRotator AdCreated Example</title>
</head>
 
   <script runat="server">

      Sub Page_Load(sender As Object, e As EventArgs)

         ' Create an EventHandler delegate for the method you want to handle the event
         ' and then add it to the list of methods called when the event is raised.
         AddHandler Ad.AdCreated, AddressOf AdCreated_Event

      End Sub

      Sub AdCreated_Event(sender As Object, e As AdCreatedEventArgs) 

         ' Override the AlternateText value from the ads.xml file.
         e.AlternateText = "Visit this site!"   

      End Sub      

   </script>
 
<body>
 
   <form id="form1" runat="server">
 
      <h3>AdRotator AdCreated Example</h3>

      Notice that the AlternateText property of the advertisement <br />
      has been programmatically modified from the value in the XML <br />
      file. 

      <br /><br />
 
      <asp:AdRotator id="Ad" runat="server"
           AdvertisementFile = "~/App_Data/Ads.xml"
           Borderwidth="1"
           Target="_blank"/>
 
   </form>
 
</body>
</html>

Hinweise

Das AdCreated -Ereignis wird auf dem Server ausgelöst, AdRotator nachdem das-Steuerelement erstellt wurde, aber bevor die Seite gerendert wird.The AdCreated event is raised on the server after the AdRotator control is created, but before the page is rendered. Wenn die AdvertisementFile -Eigenschaft festgelegt ist AdCreated , wird das-Ereignis ausgelöst, nachdem eine Ankündigung vom AdRotator -Steuerelement ausgewählt wurde.If the AdvertisementFile property is set, the AdCreated event is raised after an advertisement has been selected by the AdRotator control.

Durch das Aufrufen eines Ereignisses wird die Ereignis Behandlungsmethode über einen Delegaten aufgerufen.Raising an event invokes the event-handling method through a delegate. Weitere Informationen finden Sie unter Vorgehensweise: Verarbeiten von Ereignissen in einer Web FormsAnwendung.For more information, see How to: Consume Events in a Web Forms Application.

Hinweise für Vererber

Stellen Sie beim Überschreiben OnAdCreated(AdCreatedEventArgs) ineinerabgeleitetenKlassesicher,dassSiedie-MethodederBasisklasseaufzurufen.OnAdCreated(AdCreatedEventArgs)When overriding OnAdCreated(AdCreatedEventArgs) in a derived class, be sure to call the base class's OnAdCreated(AdCreatedEventArgs) method.

Gilt für:

Siehe auch