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
包含控件的样式属性的 Style。A 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 RadioButtonList 。The 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 RadioButtonList 。The CreateControlStyle method is used primarily by control developers in custom control that derive from the RadioButtonList class.