LinkButton.RenderContents(HtmlTextWriter) Méthode

Référence

Définition

Espace de noms:: System.Web.UI.WebControls

Assembly:: System.Web.dll

Important

Certaines informations portent sur la préversion du produit qui est susceptible d’être en grande partie modifiée avant sa publication. Microsoft exclut toute garantie, expresse ou implicite, concernant les informations fournies ici.

Génère le rendu du contenu du contrôle via le writer spécifié.

protected:
 override void RenderContents(System::Web::UI::HtmlTextWriter ^ writer);

protected public:
 override void RenderContents(System::Web::UI::HtmlTextWriter ^ writer);

protected override void RenderContents (System.Web.UI.HtmlTextWriter writer);

protected internal override void RenderContents (System.Web.UI.HtmlTextWriter writer);

override this.RenderContents : System.Web.UI.HtmlTextWriter -> unit

Protected Overrides Sub RenderContents (writer As HtmlTextWriter)

Protected Friend Overrides Sub RenderContents (writer As HtmlTextWriter)

Paramètres

writer: HtmlTextWriter

HtmlTextWriter qui représente le flux de sortie utilisé pour restituer le contenu HTML sur le client.

Exemples

L’exemple de code suivant montre comment remplacer la RenderContents méthode dans un contrôle serveur personnalisé afin qu’un texte soit ajouté au LinkButton.

<%@ 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 LinkButton - RenderContents - C# Example</title>
    <script runat="server">
      void LinkButton1_Command(Object sender, CommandEventArgs e) 
      {
        // Redirect to the Microsoft home page.
        Response.Redirect("http://www.microsoft.com/");
      }
    </script>
    </head>
    <body>
        <form id="Form1" method="post" runat="server">
            <h3>Custom LinkButton - RenderContents - C# Example</h3>
            
            <aspSample:CustomLinkButtonRenderContents 
              id="LinkButton1" 
              runat="server" 
              OnCommand="LinkButton1_Command" 
              ToolTip="Microsoft Home">Microsoft Corp.
            </aspSample:CustomLinkButtonRenderContents>

        </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 LinkButton - RenderContents - VB.NET Example</title>
        <script runat="server">
            Sub LinkButton1_Command(sender As Object, e As CommandEventArgs)
                ' Redirect to the Microsoft home page.
                Response.Redirect("http://www.microsoft.com/")
            End Sub
        </script>
    </head>
    <body>
        <form id="Form1" method="post" runat="server">
            <h3>Custom LinkButton - RenderContents - VB.NET Example</h3>
            
            <aspSample:CustomLinkButtonRenderContents id="LinkButton1" 
             runat="server" OnCommand="LinkButton1_Command" 
             ToolTip="Microsoft Home">Microsoft Corp.</aspSample:CustomLinkButtonRenderContents>

        </form>
    </body>
</html>

using System.Web;
using System.Security.Permissions;

namespace Samples.AspNet.CS.Controls
{
  [AspNetHostingPermission(SecurityAction.Demand, Level=AspNetHostingPermissionLevel.Minimal)]
  public sealed class CustomLinkButtonRenderContents : System.Web.UI.WebControls.LinkButton
  {
    protected override void RenderContents(System.Web.UI.HtmlTextWriter writer)
    {
      // Call the base RenderContents method.
      base.RenderContents(writer);

      // Append some text to the LinkButton.
      writer.Write(" Home Page");
    }
  }
}

<AspNetHostingPermission(SecurityAction.Demand, Level:=AspNetHostingPermissionLevel.Minimal)> _
Public NotInheritable Class CustomLinkButtonRenderContents
    Inherits System.Web.UI.WebControls.LinkButton

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

        ' Call the base RenderContents method.
        MyBase.RenderContents(writer)

        ' Append some text to the LinkButton.
        writer.Write(" Home Page")
    End Sub
End Class

Remarques

Cette méthode est principalement utilisée par des développeurs de contrôles.

S’applique à

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