Calendar.Render(HtmlTextWriter) Methode

Definitie

Naamruimte:
System.Web.UI.WebControls
Assembly:
System.Web.dll

Geeft het Calendar besturingselement op de client weer.

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)

Parameters

writer
HtmlTextWriter

Een HtmlTextWriter met de uitvoerstroom voor rendering op de client.

Voorbeelden

In het volgende codevoorbeeld ziet u hoe u de Render methode in een aangepast serverbeheer overschrijft, zodat er Calendar altijd een afbeelding wordt weergegeven.

<%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.CS.Controls" Assembly="Samples.AspNet.CS" %>
<%@ Page language="c#" %>
<!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 Calendar - Render - C# Example</title>
  </head>
  <body>
    <form id="Form1" method="post" runat="server">
      <h3>Custom Calendar - Render - C# Example</h3>

      <aspSample:CustomCalendarRender
        id="Calendar1"
        runat="server" />

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

<%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.VB.Controls" Assembly="Samples.AspNet.VB" %>
<%@ Page language="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 Calendar - Render - VB.NET Example</title>
  </head>
  <body>
    <form id="Form1" method="post" runat="server">
      <h3>Custom Calendar - Render - VB.NET Example</h3>
      <aspSample:CustomCalendarRender id="Calendar1" runat="server" />
    </form>
  </body>
</html>

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

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

        // Render a BR HTML tag
        writer.RenderBeginTag(System.Web.UI.HtmlTextWriterTag.Br);

        // Create and render a new Image Web control.
        System.Web.UI.WebControls.Image image = new System.Web.UI.WebControls.Image();
        image.ID = "Image1";
        image.ImageUrl = "image.jpg"; 
        image.AlternateText = "Image for Calendar1.";
        image.RenderControl(writer);
        }
    }
}

Imports System.Web
Imports System.Security.Permissions

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

        Protected Overrides Sub Render(ByVal writer As System.Web.UI.HtmlTextWriter)
            ' Call the base class's Render method.
            MyBase.Render(writer)

            ' Render a BR HTML tag
            writer.RenderBeginTag(System.Web.UI.HtmlTextWriterTag.Br)

            ' Create and render a new Image Web control.
            Dim image As New System.Web.UI.WebControls.Image
            image.ID = "Image1"
            image.ImageUrl = "image.jpg"
            image.AlternateText = "Image for Calendar1."
            image.RenderControl(writer)
        End Sub
    End Class
End Namespace

Van toepassing op