LinkButton.AddAttributesToRender-Methode
Diese Methode unterstützt die .NET Framework-Infrastruktur und ist nicht für die direkte Verwendung in Code bestimmt.
Fügt die Attribute eines LinkButton-Steuerelements zum Ausgabestream hinzu, der auf dem Client gerendert werden soll.
Namespace: System.Web.UI.WebControls
Assembly: System.Web (in system.web.dll)
Syntax
'Declaration
Protected Overrides Sub AddAttributesToRender ( _
writer As HtmlTextWriter _
)
'Usage
Dim writer As HtmlTextWriter
Me.AddAttributesToRender(writer)
protected override void AddAttributesToRender (
HtmlTextWriter writer
)
protected:
virtual void AddAttributesToRender (
HtmlTextWriter^ writer
) override
protected void AddAttributesToRender (
HtmlTextWriter writer
)
protected override function AddAttributesToRender (
writer : HtmlTextWriter
)
Parameter
- writer
Ein System.Web.UI.HtmlTextWriter, der den Ausgabestream enthält, der auf dem Client gerendert werden soll.
Beispiel
Das folgende Codebeispiel veranschaulicht das Überschreiben der AddAttributesToRender-Methode in einem benutzerdefinierten Serversteuerelement, sodass der LinkButton-Listenelementtext immer fett angezeigt wird.
<%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.VB.Controls" Assembly="Samples.AspNet.VB" %>
<%@ Page Language="VB" AutoEventWireup="True" %>
<HTML>
<HEAD>
<title>Custom LinkButton - AddAttributesToRender - VB.NET Example</title>
<script runat="server">
Sub LinkButton1_Click(sender As Object, e As CommandEventArgs)
' Redirect to the Microsoft home page.
Response.Redirect("https://www.microsoft.com/")
End Sub
</script>
</HEAD>
<body>
<form id="Form1" method="post" runat="server">
<h3>Custom LinkButton - AddAttributesToRender - VB.NET Example</h3>
<aspSample:CustomLinkButtonAddAttributesToRender id="LinkButton1"
runat="server" OnCommand="LinkButton1_Click"
ToolTip="Microsoft Home">Microsoft Corp.</aspSample:CustomLinkButtonAddAttributesToRender>
</form>
</body>
</HTML>
...
<AspNetHostingPermission(SecurityAction.Demand, Level:=AspNetHostingPermissionLevel.Minimal)> _
Public NotInheritable Class CustomLinkButtonAddAttributesToRender
Inherits System.Web.UI.WebControls.LinkButton
Protected Overrides Sub AddAttributesToRender(ByVal writer As System.Web.UI.HtmlTextWriter)
' Show the LinkButton text as Bold
writer.AddStyleAttribute(System.Web.UI.HtmlTextWriterStyle.FontWeight, "bold")
' Call the Base's AddAttributesToRender method.
MyBase.AddAttributesToRender(writer)
End Sub
End Class
<%@ Page Language="C#" AutoEventWireup="True" %>
<%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.CS.Controls" Assembly="Samples.AspNet.CS" %>
<HTML>
<HEAD>
<title>Custom LinkButton - AddAttributesToRender - C# Example</title>
<script runat="server">
void LinkButton1_Command(Object sender, CommandEventArgs e)
{
// Redirect to the Microsoft home page.
Response.Redirect("https://www.microsoft.com/");
}
</script>
</HEAD>
<body>
<form id="Form1" method="post" runat="server">
<h3>Custom LinkButton - AddAttributesToRender - C# Example</h3>
<aspSample:CustomLinkButtonAddAttributesToRender
id="LinkButton1"
runat="server"
OnCommand="LinkButton1_Command"
ToolTip="Microsoft Home">Microsoft Corp.
</aspSample:CustomLinkButtonAddAttributesToRender>
</form>
</body>
</HTML>
...
using System.Web;
using System.Security.Permissions;
namespace Samples.AspNet.CS.Controls
{
[AspNetHostingPermission(SecurityAction.Demand, Level = AspNetHostingPermissionLevel.Minimal)]
public sealed class CustomLinkButtonAddAttributesToRender : System.Web.UI.WebControls.LinkButton
{
protected override void AddAttributesToRender(System.Web.UI.HtmlTextWriter writer)
{
// Show the LinkButton text as Bold
writer.AddStyleAttribute(System.Web.UI.HtmlTextWriterStyle.FontWeight, "bold");
// Call the Base's AddAttributesToRender method.
base.AddAttributesToRender(writer);
}
}
}
<%@ Page Language="VJ#" AutoEventWireup="True" %>
<%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.JSL.Controls" Assembly="Samples.AspNet.JSL" %>
<HTML>
<HEAD>
<title>Custom LinkButton - AddAttributesToRender - VJ# Example</title>
<script runat="server">
void LinkButton1_Command(Object sender, CommandEventArgs e)
{
// Redirect to the Microsoft home page.
get_Response().Redirect("https://www.microsoft.com/");
} //LinkButton1_Command
</script>
</HEAD>
<body>
<form id="Form1" method="post" runat="server">
<h3>Custom LinkButton - AddAttributesToRender - VJ# Example</h3>
<aspSample:CustomLinkButtonAddAttributesToRender
id="LinkButton1"
runat="server"
OnCommand="LinkButton1_Command"
ToolTip="Microsoft Home">Microsoft Corp.
</aspSample:CustomLinkButtonAddAttributesToRender>
</form>
</body>
</HTML>
...
package Samples.AspNet.JSL.Controls;
public class CustomLinkButtonAddAttributesToRender
extends System.Web.UI.WebControls.LinkButton
{
protected void AddAttributesToRender(System.Web.UI.HtmlTextWriter writer)
{
// Show the LinkButton text as Bold
writer.AddStyleAttribute(System.Web.UI.HtmlTextWriterStyle.FontWeight,
"bold");
// Call the Base's AddAttributesToRender method.
super.AddAttributesToRender(writer);
} //AddAttributesToRender
} //CustomLinkButtonAddAttributesToRender
Plattformen
Windows 98, Windows 2000 SP4, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
.NET Framework unterstützt nicht alle Versionen sämtlicher Plattformen. Eine Liste der unterstützten Versionen finden Sie unter Systemanforderungen.
Versionsinformationen
.NET Framework
Unterstützt in: 2.0, 1.1, 1.0
Siehe auch
Referenz
LinkButton-Klasse
LinkButton-Member
System.Web.UI.WebControls-Namespace