RadioButtonList.Render(HtmlTextWriter) 메서드

정의

클라이언트에 RadioButtonList 컨트롤을 표시합니다.

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

매개 변수

writer
HtmlTextWriter

클라이언트에 렌더링할 출력 스트림이 들어 있는 HtmlTextWriter입니다.

예제

다음 코드 예제에서는 컨트롤이 항상 설명 텍스트와 함께 표시 되도록 사용자 지정 서버 컨트롤에서 메서드를 재정 RenderRadioButtonList 하는 방법을 보여 줍니다.

<%@ 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 RadioButtonList - Render - C# Example</title>
  </head>
  <body>
    <form id="Form1" method="post" runat="server">
      <h3>Custom RadioButtonList - Render - C# Example</h3>

      <aspSample:CustomRadioButtonListRender 
        id="Radiobuttonlist1" 
        runat="server" 
        RepeatColumns="2" 
        RepeatDirection="Horizontal">
        <asp:ListItem Value="Item1">Item1</asp:ListItem>
        <asp:ListItem Value="Item2">Item2</asp:ListItem>
        <asp:ListItem Value="Item3">Item3</asp:ListItem>
        <asp:ListItem Value="Item4">Item4</asp:ListItem>
      </aspSample:CustomRadioButtonListRender>
      
    </form>
  </body>
</html>
<%@ Page Language="VB" AutoEventWireup="True" %>
<%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.VB.Controls" Assembly="Samples.AspNet.VB" %>
<!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 RadioButtonList - Render - VB.NET Example</title>
    </head>
    <body>
        <form id="Form1" method="post" runat="server">
            <h3>Custom RadioButtonList - Render - VB.NET Example</h3>

            <aspSample:CustomRadioButtonListRender
             id="Radiobuttonlist1" runat="server" 
             RepeatColumns="2" RepeatDirection="Horizontal">
                <asp:ListItem Value="Item1">Item1</asp:ListItem>
                <asp:ListItem Value="Item2">Item2</asp:ListItem>
                <asp:ListItem Value="Item3">Item3</asp:ListItem>
                <asp:ListItem Value="Item4">Item4</asp:ListItem>
            </aspSample:CustomRadioButtonListRender>
        </form>
    </body>
</html>
using System.Web;
using System.Security.Permissions;

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

      // Append some text to the Image.
      writer.Write("Experience Windows Server 2003 and Visual Studio® .NET 2003.");
    }
  }
}
Imports System.Web
Imports System.Security.Permissions

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

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

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

            ' Append some text to the Image.
            writer.Write("Experience Windows Server 2003 and Visual Studio .NET 2003.")
        End Sub
    End Class
End Namespace

설명

이 메서드는 주로 클래스에서 파생 되는 사용자 지정 컨트롤의 컨트롤 개발자에 RadioButtonList 의해 사용 됩니다.

컨트롤에 대한 RadioButtonList 메서드 구현은 Render 목록의 개체를 RepeatInfo 초기화하고 메서드를 RenderRepeater 호출하며, 메서드는 메서드를 사용하여 RenderItem 개별 라디오 단추 목록 항목을 렌더링합니다.

적용 대상

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