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HtmlControl.TagName 屬性

定義

取得標記項目名稱,其包含 runat=server 屬性和值配對。

public:
 virtual property System::String ^ TagName { System::String ^ get(); };
public virtual string TagName { get; }
member this.TagName : string
Public Overridable ReadOnly Property TagName As String

屬性值

指定標記的項目名稱。

範例

下列程式碼範例示範如何使用 TagName 屬性,以程式設計方式判斷標記的元素名稱。

<%@ 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>HtmlControl TagName Property Example</title>
<script language="C#" runat="server">
 
      void Submit_Clicked(Object sender, EventArgs e) 
      {
         
         Message.InnerHtml = "My TagName is: " + Submit1.TagName;
 
      }        
      
 
   </script>
</head>
 
<body>
   <form id="form1" method="post" runat="server">

      <h3>HtmlControl TagName Property Example</h3>

      <input id="Submit1"        
             type="submit"
             value="Click Me!!"
             onserverclick="Submit_Clicked"
             runat="server"/>
      
      <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>HtmlControl TagName Property Example</title>
<script language="VB" runat="server">
    Sub Submit_Clicked(sender As Object, e As EventArgs)
        
        Message.InnerHtml = "My TagName is: " & Submit1.TagName
    End Sub 'Submit_Clicked 
  </script>
</head>
 
<body>
   <form id="form1" method="post" runat="server">

      <h3>HtmlControl TagName Property Example</h3>

      <input id="Submit1"        
             type="submit"
             value="Click Me!!"
             onserverclick="Submit_Clicked"
             runat="server"/>
      
      <br /><br />

      <span id="Message" runat="server"/>  
 
   </form>

</body>
</html>

備註

使用這個屬性,以程式設計方式判斷 HTML 伺服器控制項的元素名稱。 例如, TagName 伺服器端 <div id="myDiv" runat=server> 元素的 屬性包含值 「div」。

適用於