Bagikan melalui

Table.CreateControlCollection Metode

  • Referensi

Definisi

Ruang nama:
System.Web.UI.WebControls
Rakitan:
System.Web.dll

Membuat objek baru ControlCollection untuk menahan TableRow kontrol kontrol saat ini Table .

protected:
 override System::Web::UI::ControlCollection ^ CreateControlCollection();
protected override System.Web.UI.ControlCollection CreateControlCollection ();
override this.CreateControlCollection : unit -> System.Web.UI.ControlCollection
Protected Overrides Function CreateControlCollection () As ControlCollection

Mengembalikan

ControlCollection

Objek ControlCollection yang memuat TableRow kontrol kontrol saat ini Table .

Contoh

Contoh kode berikut menunjukkan cara mengambil CreateControlCollection alih metode dalam kontrol server kustom sehingga selalu mengembalikan instans EmptyControlCollection baru kelas untuk Table.

<%@ Register TagPrefix="aspSample" 
    Namespace="Samples.AspNet.CS.Controls" %>
<%@ 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 id="Head2" runat="server">
    <title>Custom Table - CreateControlCollection - C# Example</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>

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

    <aspSample:CustomTableCreateControlCollection runat="server"
      id="Table1" 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:CustomTableCreateControlCollection>

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

<%@ Register TagPrefix="aspSample" 
    Namespace="Samples.AspNet.VB.Controls" %>
<%@ 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 id="Head2" runat="server">
    <title>Custom Table - CreateControlCollection - VB Example</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>

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

    <aspSample:CustomTableCreateControlCollection runat="server"
      id="Table1" 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:CustomTableCreateControlCollection>

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

using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Security.Permissions;

namespace Samples.AspNet.CS.Controls
{
    [AspNetHostingPermission(SecurityAction.Demand, 
        Level = AspNetHostingPermissionLevel.Minimal)]
    public sealed class CustomTableCreateControlCollection : Table
    {
        protected override ControlCollection CreateControlCollection()
        {
            // Return a new ControlCollection
            return new ControlCollection(this);
        }
    }
}

Imports System.Web
Imports System.Web.UI
Imports System.Web.UI.WebControls
Imports System.Security.Permissions

Namespace Samples.AspNet.VB.Controls
    <AspNetHostingPermission(SecurityAction.Demand, _
        Level:=AspNetHostingPermissionLevel.Minimal)> _
    Public Class CustomTableCreateControlCollection
        Inherits Table

        Protected Overrides Function CreateControlCollection() As ControlCollection
            ' Return a new ControlCollection
            Return New ControlCollection(Me)
        End Function
    End Class
End Namespace

Keterangan

Metode ini digunakan terutama oleh pengembang kontrol saat mengambil kelas kustom dari Table kontrol.

Metode ini mengambil alih CreateControlCollection implementasi untuk kelas dasar Control . Table Untuk kontrol, CreateControlCollection selalu mengembalikan yang ControlCollection hanya dapat berisi TableRow kontrol kontrol saat iniTable.

Berlaku untuk

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