LinkButton.AddAttributesToRender(HtmlTextWriter) Método

  • Referencia

Definición

Espacio de nombres:
System.Web.UI.WebControls
Ensamblado:
System.Web.dll

Agrega los atributos del control LinkButton al flujo de salida para representar en el cliente.

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)

Parámetros

writer
HtmlTextWriter

HtmlTextWriter que contiene el flujo de salida que se representará en el cliente.

Ejemplos

En el ejemplo de código siguiente se muestra cómo invalidar el AddAttributesToRender método en un control de servidor personalizado, de modo que el texto del LinkButton elemento de lista siempre aparezca en negrita.

<%@ Page Language="C#" AutoEventWireup="True" %>
<%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.CS.Controls" Assembly="Samples.AspNet.CS" %>
<!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 - AddAttributesToRender - 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 - AddAttributesToRender - C# Example</h3>

      <aspSample:CustomLinkButtonAddAttributesToRender 
        id="LinkButton1" 
        runat="server" 
        OnCommand="LinkButton1_Command" 
        ToolTip="Microsoft Home">Microsoft Corp.
      </aspSample:CustomLinkButtonAddAttributesToRender>
      
    </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 - 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("http://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>

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);
        }
    }
}

<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

Se aplica a

Consulte también