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HtmlButton Constructeur

  • Référence

Définition

Espace de noms:
System.Web.UI.HtmlControls
Assembly:
System.Web.dll

Initialise une nouvelle instance de la classe HtmlButton.

public:
 HtmlButton();
public HtmlButton ();
Public Sub New ()

Exemples

L’exemple de code suivant montre comment ajouter dynamiquement un HtmlButton contrôle à la page Web Forms.


<%@ 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> HtmlButton Constructor Example </title>
<script runat="server">

      void Page_Load(Object sender, EventArgs e)
      {

         // Create a new HtmlButton control.
         HtmlButton NewButtonControl = new HtmlButton();

         // Set the properties of the new HtmlButton control.
         NewButtonControl.ID = "NewButtonControl";
         NewButtonControl.InnerHtml = "Click Me";

         // 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.
         NewButtonControl.ServerClick += new System.EventHandler(this.Button_Click); 

         // Add the new HtmlButton control to the Controls collection of the
         // PlaceHolder control. 
         ControlContainer.Controls.Add(NewButtonControl);

      }

      void Button_Click(Object sender, EventArgs e)
      {

         // Display a simple message. 
         Message.InnerHtml = "Thank you for clicking the button.";

      }

   </script>

</head>

<body>

   <form id="form1" runat="server">

      <h3> HtmlButton Constructor Example </h3>

      <asp:PlaceHolder ID="ControlContainer"
           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> HtmlButton Constructor Example </title>
<script runat="server">

      Sub Page_Load(sender As Object, e As EventArgs)

         ' Create a new HtmlButton control.
         Dim NewButtonControl As New HtmlButton()

         ' Set the properties of the new HtmlButton control.
         NewButtonControl.ID = "NewButtonControl"
         NewButtonControl.InnerHtml = "Click Me"

         ' 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 NewButtonControl.ServerClick, AddressOf Button_Click 

         ' Add the new HtmlButton control to the Controls collection of the
         ' PlaceHolder control. 
         ControlContainer.Controls.Add(NewButtonControl)

      End Sub

      Sub Button_Click(sender As Object, e As EventArgs)

         ' Display a simple message. 
         Message.InnerHtml = "Thank you for clicking the button."

      End Sub

   </script>

</head>

<body>

   <form id="form1" runat="server">

      <h3> HtmlButton Constructor Example </h3>

      <asp:PlaceHolder ID="ControlContainer"
           runat="server"/>

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

   </form>

</body>
</html>

Remarques

Utilisez ce constructeur pour créer et initialiser une nouvelle instance du HtmlButton contrôle.

Le tableau suivant montre la valeur de propriété initiale pour une instance de HtmlButton.

Propriété Valeur initiale
TagName Chaîne littérale « bouton ».

S’applique à