CheckBoxList.CreateControlStyle 方法
定義
重要
部分資訊涉及發行前產品，在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊，不做任何明確或隱含的瑕疵擔保。
建立樣式物件，這個物件是由 CheckBoxList 控制項在內部使用，以實作所有的樣式相關屬性。
protected:
override System::Web::UI::WebControls::Style ^ CreateControlStyle();protected override System.Web.UI.WebControls.Style CreateControlStyle ();override this.CreateControlStyle : unit -> System.Web.UI.WebControls.StyleProtected Overrides Function CreateControlStyle () As Style傳回
Style，包含控制項的樣式屬性。
範例
下列程式碼範例示範如何在自訂伺服器控制項中覆寫 CreateControlStyle 方法，以便一律傳 CheckBoxList 回 控制項類別 TableStyle 的新實例。
<%@ 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
備註
方法 CreateControlStyle 主要是由衍生自 類別的 CheckBoxList 自訂控制項中的控制項開發人員使用。