RadioButtonList.CreateControlStyle 方法

定义

创建由 RadioButtonList 控件在内部用来实现所有与样式有关的属性的样式对象。Creates a style object that is used internally by the RadioButtonList control to implement all style-related properties.

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

返回

Style

包含控件的样式属性的 StyleA Style that contains the style properties of the control.

示例

下面的代码示例演示如何重写 CreateControlStyle 自定义服务器控件中的方法,以便它始终 TableStyle 为控件返回空对象 RadioButtonListThe following code example demonstrates how to override the CreateControlStyle method in a custom server control so that it always returns an empty TableStyle object for the RadioButtonList control.

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

      <aspSample:CustomRadioButtonListCreateControlStyle 
        id="Radiobuttonlist1" 
        runat="server" 
        RepeatColumns="2" 
        RepeatDirection="Horizontal">
        <asp:ListItem Value="Item1">Item1</asp:ListItem>
        <asp:ListItem Value="Item2">Item2</asp:ListItem>
        <asp:ListItem Value="Item3">Item3</asp:ListItem>
        <asp:ListItem Value="Item4">Item4</asp:ListItem>
      </aspSample:CustomRadioButtonListCreateControlStyle>
      
    </form>
  </body>
</html>
<%@ Page Language="VB" AutoEventWireup="True" %>
<%@ 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><title>Custom RadioButtonList - CreateControlStyle - VB.NET Example</title>
    </head>
    <body>
        <form id="Form1" method="post" runat="server">
            <h3>Custom RadioButtonList - CreateControlStyle - VB.NET Example</h3>

            <aspSample:CustomRadioButtonListCreateControlStyle 
             id="Radiobuttonlist1" runat="server" 
             RepeatColumns="2" RepeatDirection="Horizontal">
                <asp:ListItem Value="Item1">Item1</asp:ListItem>
                <asp:ListItem Value="Item2">Item2</asp:ListItem>
                <asp:ListItem Value="Item3">Item3</asp:ListItem>
                <asp:ListItem Value="Item4">Item4</asp:ListItem>
            </aspSample:CustomRadioButtonListCreateControlStyle>
        </form>
    </body>
</html>
using System.Web;
using System.Security.Permissions;

namespace Samples.AspNet.CS.Controls
{
  [AspNetHostingPermission(SecurityAction.Demand, Level=AspNetHostingPermissionLevel.Minimal)]
  public sealed class CustomRadioButtonListCreateControlStyle : System.Web.UI.WebControls.RadioButtonList
  {
    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 CustomRadioButtonListCreateControlStyle
        Inherits System.Web.UI.WebControls.RadioButtonList

        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

注解

CreateControlStyle方法主要由派生自类的自定义控件中的控件开发人员使用 RadioButtonListThe CreateControlStyle method is used primarily by control developers in custom control that derive from the RadioButtonList class.

适用于