Bahasa

CheckBoxList.CreateControlStyle Metode

Definisi

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

Membuat objek gaya yang digunakan secara internal oleh CheckBoxList kontrol untuk mengimplementasikan semua properti terkait gaya.

protected:
 override System::Web::UI::WebControls::Style ^ CreateControlStyle();
protected override System.Web.UI.WebControls.Style CreateControlStyle();
override this.CreateControlStyle : unit -> System.Web.UI.WebControls.Style
Protected Overrides Function CreateControlStyle () As Style

Mengembalikan

Style

Style yang berisi properti gaya kontrol.

Contoh

Contoh kode berikut menunjukkan cara mengambil alih CreateControlStyle metode dalam kontrol server kustom sehingga selalu mengembalikan instans TableStyle baru kelas untuk CheckBoxList kontrol.

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

      <aspSample:CustomCheckBoxListCreateControlStyle
        id="CheckBoxList1"
        runat="server"
        RepeatLayout="Table"
        RepeatColumns="2"
        CellSpacing="3"
        CellPadding="3">
        <asp:ListItem  Selected="True">Item 1</asp:ListItem>
        <asp:ListItem>Item 2</asp:ListItem>
        <asp:ListItem>Item 3</asp:ListItem>
        <asp:ListItem>Item 4</asp:ListItem>
        <asp:ListItem>Item 5</asp:ListItem>
        <asp:ListItem>Item 6</asp:ListItem>
      </aspSample:CustomCheckBoxListCreateControlStyle>

    </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 CheckBoxList - CreateControlStyle - VB.NET Example</title>
  </head>
  <body>
    <form id="Form1" method="post" runat="server">
      <h3>Custom CheckBoxList - CreateControlStyle - VB.NET Example</h3>
      <aspSample:CustomCheckBoxListCreateControlStyle id="CheckBoxList" runat="server"
       RepeatLayout="Table" RepeatColumns="2" CellSpacing="3" CellPadding="3">
                <asp:ListItem  Selected="True">Item 1</asp:ListItem>
                <asp:ListItem>Item 2</asp:ListItem>
                <asp:ListItem>Item 3</asp:ListItem>
                <asp:ListItem>Item 4</asp:ListItem>
                <asp:ListItem>Item 5</asp:ListItem>
                <asp:ListItem>Item 6</asp:ListItem>
            </aspSample:CustomCheckBoxListCreateControlStyle>
    </form>
  </body>
</html>

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

namespace Samples.AspNet.CS.Controls
{
    [AspNetHostingPermission(SecurityAction.Demand, Level = AspNetHostingPermissionLevel.Minimal)]
    public sealed class CustomCheckBoxListCreateControlStyle : System.Web.UI.WebControls.CheckBoxList
    {
        protected override System.Web.UI.WebControls.Style CreateControlStyle()
        {
        // Initializes and return a new instance of the TableStyle class.
        return new System.Web.UI.WebControls.TableStyle(this.ViewState);
        }
    }
}

Imports System.Web
Imports System.Security.Permissions

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

        Protected Overrides Function CreateControlStyle() As System.Web.UI.WebControls.Style

            ' Initializes and return a new instance of the TableStyle class.
            Return New System.Web.UI.WebControls.TableStyle(Me.ViewState)
        End Function
    End Class
End Namespace

Keterangan

Metode CreateControlStyle ini digunakan terutama oleh pengembang kontrol dalam kontrol kustom yang berasal dari CheckBoxList kelas .

Berlaku untuk

Lihat juga