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Xml.Render(HtmlTextWriter) Méthode

  • Référence

Définition

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

Génère le rendu des résultats via le flux de sortie.

protected:
 override void Render(System::Web::UI::HtmlTextWriter ^ output);
protected public:
 override void Render(System::Web::UI::HtmlTextWriter ^ output);
protected override void Render (System.Web.UI.HtmlTextWriter output);
protected internal override void Render (System.Web.UI.HtmlTextWriter output);
override this.Render : System.Web.UI.HtmlTextWriter -> unit
Protected Overrides Sub Render (output As HtmlTextWriter)
Protected Friend Overrides Sub Render (output As HtmlTextWriter)

Paramètres

output
HtmlTextWriter

Résultat du flux de sortie.

Exemples

L’exemple de code suivant montre comment remplacer la Render méthode dans un contrôle serveur personnalisé afin que le Xml contrôle soit toujours affiché avec une image.

<%@ 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 Xml - Render - C# Example</title>
    </head>
    <body>
        <form id="Form1" method="post" runat="server">
            <h3>Custom Xml - Render - C# Example</h3>
            
            <aspSample:CustomXmlRender 
              id="xml1" 
              runat="server" 
              DocumentSource="People.xml" 
              TransformSource="PeopleTable.xslt" />
              
        </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 Xml - Render - VB.NET Example</title>
    </head>
    <body>
        <form id="Form1" method="post" runat="server">
            <h3>Custom Xml - Render - VB.NET Example</h3>
            
            <aspSample:CustomXmlRender id="xml1" runat="server" 
             DocumentSource="People.xml" TransformSource="PeopleTable.xslt" />
        </form>
    </body>
</html>

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

namespace Samples.AspNet.CS.Controls
{
  [AspNetHostingPermission(SecurityAction.Demand, Level=AspNetHostingPermissionLevel.Minimal)]
  public sealed class CustomXmlRender : System.Web.UI.WebControls.Xml
  {
    protected override void Render(System.Web.UI.HtmlTextWriter writer)
    {
      // Create and render a new Image web control.
      System.Web.UI.WebControls.Image image = new System.Web.UI.WebControls.Image();
      image.ID = "Image1";
      image.ImageUrl = "image.jpg";	
      image.AlternateText = "Image for XML.";
      image.RenderControl(writer);

      // Call the base class's Render method.
      base.Render(writer);
    }
  }
}

Imports System.Web
Imports System.Security.Permissions

Namespace Samples.AspNet.VB.Controls
    <AspNetHostingPermission(SecurityAction.Demand, Level:=AspNetHostingPermissionLevel.Minimal)> _
    Public NotInheritable Class CustomXmlRender
        Inherits System.Web.UI.WebControls.Xml

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

            ' Create and render a new Image web control.
            Dim image As New System.Web.UI.WebControls.Image
            image.ID = "Image1"
            image.ImageUrl = "image.jpg"
            image.AlternateText = "Image for XML."
            image.RenderControl(writer)

            ' Call the base class's Render method.
            MyBase.Render(writer)
        End Sub
    End Class
End Namespace

S’applique à

Voir aussi