Label.RenderContents(HtmlTextWriter) Methode
Definition
Wichtig
Einige Informationen beziehen sich auf Vorabversionen, die vor dem Release ggf. grundlegend überarbeitet werden. Microsoft übernimmt hinsichtlich der hier bereitgestellten Informationen keine Gewährleistungen, seien sie ausdrücklich oder konkludent.
Stellt den Inhalt des Label im angegebenen Writer dar.
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)
Parameter
- writer
- HtmlTextWriter
Der Ausgabestream, der HTML-Inhalt für den Client rendert.
Beispiele
Im folgenden Codebeispiel wird veranschaulicht, wie sie die RenderContents Methode in einem benutzerdefinierten Serversteuerelement außer Kraft setzen, sodass einige Text an die Label.
<%@ 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 Label - RenderContents - C# Example</title>
</head>
<body>
<form id="Form1" method="post" runat="server">
<h3>Custom Label - RenderContents - C# Example</h3>
<aspSample:CustomLabelRenderContents
id="Label1"
runat="server"
ToolTip="Microsoft Corp.">Microsoft Corp.
</aspSample:CustomLabelRenderContents>
</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 Label - RenderContents - VB.NET Example</title>
</head>
<body>
<form id="Form1" method="post" runat="server">
<h3>Custom Label - RenderContents - VB.NET Example</h3>
<aspSample:CustomLabelRenderContents id="Label1" runat="server"
ToolTip="Microsoft Corp.">Microsoft Corp.</aspSample:CustomLabelRenderContents>
</form>
</body>
</html>
using System.Web;
using System.Security.Permissions;
namespace Samples.AspNet.CS.Controls
{
[AspNetHostingPermission(SecurityAction.Demand, Level=AspNetHostingPermissionLevel.Minimal)]
public sealed class CustomLabelRenderContents : System.Web.UI.WebControls.Label
{
protected override void RenderContents(System.Web.UI.HtmlTextWriter writer)
{
// Call the base RenderContents method.
base.RenderContents(writer);
// Append some text to the Label.
writer.Write("<BR>Experience Windows Server 2003 and Visual Studio® .NET 2003.");
}
}
}
<AspNetHostingPermission(SecurityAction.Demand, Level:=AspNetHostingPermissionLevel.Minimal)> _
Public NotInheritable Class CustomLabelRenderContents
Inherits System.Web.UI.WebControls.Label
Protected Overrides Sub RenderContents(ByVal writer As System.Web.UI.HtmlTextWriter)
' Call the base RenderContents method.
MyBase.RenderContents(writer)
' Append some text to the Label.
writer.Write("<BR>Experience Windows Server 2003 and Visual Studio .NET 2003.")
End Sub
End Class