HtmlAnchor.OnServerClick(EventArgs) 方法
定義
重要
部分資訊涉及發行前產品，在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊，不做任何明確或隱含的瑕疵擔保。
引發 ServerClick 事件。 這個方法可讓您提供該事件的自訂處理常式。
protected:
virtual void OnServerClick(EventArgs ^ e);protected virtual void OnServerClick (EventArgs e);abstract member OnServerClick : EventArgs -> unit
override this.OnServerClick : EventArgs -> unitProtected Overridable Sub OnServerClick (e As EventArgs)參數
範例
下列程式碼範例示範如何以宣告方式指定和撰寫 ServerClick 事件的事件處理常式程式碼。 HtmlAnchor按一下控制項時，會顯示訊息。
<%@ 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>
<title> HtmlAnchor ServerClick Event Example </title>
<script runat="server">
void HtmlAnchor_Click(Object sender, EventArgs e)
{
Message.InnerHtml = "Thank you for clicking the HtmlAnchor control.";
}
</script>
</head>
<body>
<form id="form1" runat="server">
<h3> HtmlAnchor ServerClick Event Example </h3>
<a id="AnchorButton"
onserverclick="HtmlAnchor_Click"
runat="server">
Click Here
</a>
<br /><br />
<span 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>
<title> HtmlAnchor ServerClick Event Example </title>
<script runat="server">
Sub HtmlAnchor_Click(sender As Object, e As EventArgs)
Message.InnerHtml = "Thank you for clicking the HtmlAnchor control."
End Sub
</script>
</head>
<body>
<form id="form1" runat="server">
<h3> HtmlAnchor ServerClick Event Example </h3>
<a id="AnchorButton"
onserverclick="HtmlAnchor_Click"
runat="server">
Click Here
</a>
<br /><br />
<span id="Message" runat="server"/>
</form>
</body>
</html>
下列程式碼範例會修改上述範例，以程式設計方式指定和撰寫事件的事件處理常式 ServerClick 程式碼。
<%@ 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>
<title> HtmlAnchor ServerClick Event Example </title>
<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.
AnchorButton.ServerClick += new System.EventHandler(this.HtmlAnchor_Click);
}
void HtmlAnchor_Click(Object sender, EventArgs e)
{
Message.InnerHtml = "Thank you for clicking the HtmlAnchor control.";
}
</script>
</head>
<body>
<form id="form1" runat="server">
<h3> HtmlAnchor ServerClick Event Example </h3>
<a id="AnchorButton"
runat="server">
Click Here
</a>
<br /><br />
<span 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>
<title> HtmlAnchor ServerClick Event Example </title>
<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 AnchorButton.ServerClick, AddressOf HtmlAnchor_Click
End Sub
Sub HtmlAnchor_Click(sender As Object, e As EventArgs)
Message.InnerHtml = "Thank you for clicking the HtmlAnchor control."
End Sub
</script>
</head>
<body>
<form id="form1" runat="server">
<h3> HtmlAnchor ServerClick Event Example </h3>
<a id="AnchorButton"
runat="server">
Click Here
</a>
<br /><br />
<span id="Message" runat="server"/>
</form>
</body>
</html>
備註
ServerClick按一下控制項時 HtmlAnchor ，就會引發 事件。 此伺服器事件會導致從用戶端到伺服器和返回的來回行程。
引發事件會透過委派叫用此事件處理常式。 如需詳細資訊，請參閱 處理和引發事件。
OnServerClick 方法也允許衍生類別處理事件，而不用附加委派。 這是在衍生類別中處理事件的慣用技巧。
給繼承者的注意事項
當在衍生類別中覆寫 OnServerClick(EventArgs) 時，請確定呼叫基底類別的 OnServerClick(EventArgs) 方法，使已註冊的委派能接收到事件。
