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Panel.AddAttributesToRender(HtmlTextWriter) Méthode

Définition

Ajoute des informations relatives à l'image d'arrière-plan, à l'alignement, au retour à la ligne et à la direction vers la liste des attributs à rendre.

protected:
 override void AddAttributesToRender(System::Web::UI::HtmlTextWriter ^ writer);
protected override void AddAttributesToRender (System.Web.UI.HtmlTextWriter writer);
override this.AddAttributesToRender : System.Web.UI.HtmlTextWriter -> unit
Protected Overrides Sub AddAttributesToRender (writer As HtmlTextWriter)

Paramètres

writer
HtmlTextWriter

HtmlTextWriter qui représente le flux de sortie pour le rendu du contenu HTML sur le client.

Exceptions

La propriété DefaultButton du contrôle Panel doit avoir l'ID d'un contrôle de type IButtonControl.

Exemples

L’exemple de code suivant montre comment remplacer la AddAttributesToRender méthode dans un contrôle serveur personnalisé afin que le Panel texte s’affiche toujours en gras.

<%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.CS.Controls" Assembly="Samples.AspNet.CS" %>
<%@ 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>Custom Panel - AddAttributesToRender - C# Example</title>
    </head>
    <body>
        <form id="Form1" method="post" runat="server">
            <h3>Custom Panel - AddAttributesToRender - C# Example</h3>
            
            <aspSample:CustomPanelAddAttributesToRender 
              id="Panel1" 
              runat="server" 
              BorderWidth="1px" 
              BorderStyle="Solid">
          <asp:Label id="Label1" runat="server">Label1</asp:Label>
      </aspSample:CustomPanelAddAttributesToRender>

        </form>
    </body>
</html>
<%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.VB.Controls" Assembly="Samples.AspNet.VB" %>
<%@ 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>Custom Panel - AddAttributesToRender - VB.NET Example</title>
    </head>
    <body>
        <form id="Form1" method="post" runat="server">
            <h3>Custom Panel - AddAttributesToRender - VB.NET Example</h3>
            
            <aspSample:CustomPanelAddAttributesToRender id="Panel1" runat="server" 
             BorderWidth="1px" BorderStyle="Solid">
                    <asp:Label id="Label1" runat="server">Label1</asp:Label>
            </aspSample:CustomPanelAddAttributesToRender>
        </form>
    </body>
</html>
using System.Web;
using System.Security.Permissions;

namespace Samples.AspNet.CS.Controls
{
  [AspNetHostingPermission(SecurityAction.Demand, Level=AspNetHostingPermissionLevel.Minimal)]
  public sealed class CustomPanelAddAttributesToRender : System.Web.UI.WebControls.Panel
  {
    protected override void AddAttributesToRender(System.Web.UI.HtmlTextWriter writer)
    {
      // Show the Panel text as Bold 
      writer.AddStyleAttribute(System.Web.UI.HtmlTextWriterStyle.FontWeight, "bold");

      // Call the Base's AddAttributesToRender method.
      base.AddAttributesToRender(writer);
    }
  }
}
<AspNetHostingPermission(SecurityAction.Demand, Level:=AspNetHostingPermissionLevel.Minimal)> _
Public NotInheritable Class CustomPanelAddAttributesToRender
    Inherits System.Web.UI.WebControls.Panel

    Protected Overrides Sub AddAttributesToRender(ByVal writer As System.Web.UI.HtmlTextWriter)

        ' Show the Panel text as Bold 
        writer.AddStyleAttribute(System.Web.UI.HtmlTextWriterStyle.FontWeight, "bold")

        ' Call the Base's AddAttributesToRender method.
        MyBase.AddAttributesToRender(writer)
    End Sub
End Class

Remarques

La AddAttributesToRender méthode est utilisée principalement par les développeurs de contrôles.

S’applique à