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Calendar.Render(HtmlTextWriter) Methode

Definition

Zeigt das Calendar-Steuerelement auf dem Client an.

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)

Parameter

writer
HtmlTextWriter

Ein HtmlTextWriter, der den Ausgabestream für das Rendering auf dem Client enthält.

Beispiele

Im folgenden Codebeispiel wird veranschaulicht, wie sie die Render Methode in einem benutzerdefinierten Serversteuerelement außer Kraft setzen, damit das Calendar Bild immer angezeigt wird.

<%@ 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

Gilt für