HyperLink.RenderContents(HtmlTextWriter) Metoda

  • Reference

Definice

Obor názvů:
System.Web.UI.WebControls
Sestavení:
System.Web.dll

HyperLink Zobrazí ovládací prvek na stránce.

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)

Parametry

writer
HtmlTextWriter

Výstupní datový proud, který se má vykreslit na klientovi.

Příklady

Následující příklad kódu ukazuje, jak přepsat metodu RenderContents ve vlastním ovládacím prvku serveru tak, aby se k ovládacímu HyperLink prvku připojil nějaký text.

<%@ 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 HyperLink - RenderContents - C# Example</title>
    </head>
    <body>
        <form id="Form1" method="post" runat="server">
            <h3>Custom HyperLink - RenderContents - C# Example</h3>
            
            <aspSample:CustomHyperLinkRenderContents 
              id="HyperLink1" runat="server" Target="_blank"
              NavigateUrl="http://www.microsoft.com/"  
              ToolTip="Microsoft Web Site">www.microsoft.com
            </aspSample:CustomHyperLinkRenderContents>

        </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 HyperLink - RenderContents - VB.NET Example</title>
    </head>
    <body>
        <form id="Form1" method="post" runat="server">
            <h3>Custom HyperLink - RenderContents - VB.NET Example</h3>
            
            <aspSample:CustomHyperLinkRenderContents 
             id="HyperLink1" runat="server" Target="_blank"
             NavigateUrl="http://www.microsoft.com/"  
             ToolTip="Microsoft Web Site">www.microsoft.com
            </aspSample:CustomHyperLinkRenderContents>

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

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

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

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

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

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

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

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

Platí pro

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