Taal

Table.AddAttributesToRender(HtmlTextWriter) Methode

Definitie

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

Hiermee worden HTML-kenmerken en -stijlen toegevoegd die moeten worden weergegeven aan de opgegeven HtmlTextWriter.

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)

Parameters

writer
HtmlTextWriter

De uitvoerstroom waarmee HTML-inhoud naar de client wordt weergegeven.

Voorbeelden

In het volgende codevoorbeeld ziet u hoe u de AddAttributesToRender methode in een aangepast serverbeheer overschrijft om een kenmerk toe te voegen aan de Table.

<%@ Page Language="C#" %>
<%@ 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 id="Head2" runat="server">
    <title>Custom Table - AddAttributesToRender - C# Example</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>

    <h3>Custom Table - AddAttributesToRender - C# Example</h3>

    <aspSample:CustomTableAddAttributesToRender 
        id="Table1" runat="server"
        GridLines="Both" CellPadding="4">
        <asp:TableRow>
            <asp:TableCell>Row 0, Col 0</asp:TableCell>
            <asp:TableCell>Row 0, Col 1</asp:TableCell>
        </asp:TableRow>
        <asp:TableRow>
            <asp:TableCell>Row 1, Col 0</asp:TableCell>
            <asp:TableCell>Row 1, Col 1</asp:TableCell>
        </asp:TableRow>
    </aspSample:CustomTableAddAttributesToRender>
      
    </div>
    </form>
</body>
</html>

<%@ Page Language="VB" %>
<%@ 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 id="Head2" runat="server">
    <title>Custom Table - AddAttributesToRender - VB Example</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>

    <h3>Custom Table - AddAttributesToRender - VB Example</h3>

    <aspSample:CustomTableAddAttributesToRender 
        id="Table1" runat="server"
        GridLines="Both" CellPadding="4">
        <asp:TableRow>
            <asp:TableCell>Row 0, Col 0</asp:TableCell>
            <asp:TableCell>Row 0, Col 1</asp:TableCell>
        </asp:TableRow>
        <asp:TableRow>
            <asp:TableCell>Row 1, Col 0</asp:TableCell>
            <asp:TableCell>Row 1, Col 1</asp:TableCell>
        </asp:TableRow>
    </aspSample:CustomTableAddAttributesToRender>
      
    </div>
    </form>
</body>
</html>

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

namespace Samples.AspNet.CS.Controls
{
  [AspNetHostingPermission(SecurityAction.Demand, Level=AspNetHostingPermissionLevel.Minimal)]
  public sealed class CustomTableAddAttributesToRender : System.Web.UI.WebControls.Table
  {
    protected override void AddAttributesToRender(System.Web.UI.HtmlTextWriter writer)
    {
      // Add a client-side onclick event to the button.
      writer.AddAttribute(System.Web.UI.HtmlTextWriterAttribute.Onclick, "alert('Hello World');");

      // Call the base's AddAttributesToRender method.
      base.AddAttributesToRender(writer);
    }
  }
}

Imports System.Web
Imports System.Security.Permissions

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

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

            ' Add a client-side onclick event to the button.
            writer.AddAttribute(System.Web.UI.HtmlTextWriterAttribute.Onclick, "alert('Hello World');")

            ' Call the base's AddAttributesToRender method.
            MyBase.AddAttributesToRender(writer)
        End Sub
    End Class
End Namespace

Opmerkingen

Deze methode wordt voornamelijk gebruikt door besturingselementontwikkelaars om de juiste kenmerken en stijlen in te voegen in de HtmlTextWriter uitvoerstroom voor een Table besturingselement. Deze methode overschrijft WebControl.AddAttributesToRender.

Van toepassing op

Zie ook