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HtmlGenericControl.TagName Eigenschaft

Definition

Ruft den Namen des durch das HtmlGenericControl-Steuerelement dargestellten HTML-Elements ab oder legt diesen fest.

public:
 property System::String ^ TagName { System::String ^ get(); void set(System::String ^ value); };
public string TagName { get; set; }
member this.TagName : string with get, set
Public Property TagName As String

Eigenschaftswert

String

Der Tagname eines Elements.

Beispiele

Im folgenden Codebeispiel wird veranschaulicht, wie Die TagName Eigenschaft zum programmgesteuerten Ändern eines Tagnamens von "Body" in "Font" und zurück verwendet wird.

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

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<script runat="server">

  protected void BG_Button_Click(object sender, EventArgs e)
  {
    Body.Attributes["bgcolor"] = ColorSelect.Value;
  }

  protected void Font_Button_Click(object sender, EventArgs e)
  {
    Body.TagName = "Font";
    Body.Attributes["Color"] = ColorSelect.Value;
  }
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
  <title>HtmlGenericControl Example</title> 
</head>
 
 <body id="Body" 
       runat="server"> 

     <h3>HtmlGenericControl Example</h3>

     <form id="form1" runat="server">
     <div>
       <br />
       Select a background color for the page: <br />
       <select id="ColorSelect" 
               runat="server">
           <option>White</option>
           <option>LightBlue</option>
           <option>LightGreen</option>
           <option>Yellow</option>
       </select>
       <br />
       <input type="submit" 
              runat="server"
              value="Change Background Color" 
              onserverclick="BG_Button_Click" id="Submit1" />
       <input type="submit" 
              runat="server" 
              value="Change Font Color" 
              onserverclick="Font_Button_Click" id="Submit2" />
     </div>
     </form>
 
 </body>
 </html>
<%@ Page Language="VB" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<script runat="server">
  
  Protected Sub BG_Button_Click(ByVal sender As Object, ByVal e As System.EventArgs)

    Body.Attributes("bgcolor") = ColorSelect.Value

  End Sub

  Protected Sub Font_Button_Click(ByVal sender As Object, ByVal e As System.EventArgs)
    
    Body.TagName = "Font"
    Body.Attributes("Color") = ColorSelect.Value

  End Sub
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
  <title>HtmlGenericControl Example</title> 
</head>
 
 <body id="Body" 
       runat="server"> 

     <h3>HtmlGenericControl Example</h3>

     <form id="form1" runat="server">
     <div> 
       <br />
       Select a background color for the page: <br />
       <select id="ColorSelect" 
               runat="server">
           <option>White</option>
           <option>LightBlue</option>
           <option>LightGreen</option>
           <option>Yellow</option>
       </select>
       <br />
       <input type="submit" 
              runat="server"
              value="Change Background Color" 
              onserverclick="BG_Button_Click" id="Submit1" />
       <input type="submit" 
              runat="server" 
              value="Change Font Color" 
              onserverclick="Font_Button_Click" id="Submit2" />
     </div>
     </form>
 
 </body>
 </html>

Hinweise

Verwenden Sie diese Eigenschaft, um den Elementnamen des HTML-Serversteuerelements programmgesteuert zu bestimmen. Die Eigenschaft für ein serverseitiges <span id="MySpan" runat= "server"/> Element enthält beispielsweise TagName den Wert "span".

Gilt für