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HtmlGenericControl.TagName Propriedade

Definição

Obtém ou define o nome do elemento HTML representado pelo controle HtmlGenericControl.

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

Valor da propriedade

String

O nome da marca de um elemento.

Exemplos

O exemplo de código a seguir demonstra como usar a TagName propriedade para alterar programaticamente um nome de marca de "Corpo" para "Fonte" e voltar.

<%@ 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>

Comentários

Use essa propriedade para determinar programaticamente o nome do elemento do controle de servidor HTML. Por exemplo, a TagName propriedade de um elemento do lado <span id="MySpan" runat= "server"/> do servidor contém o valor "span".

Aplica-se a