Cache-Control: no-store HTTP ヘッダーを設定します。
名前空間: System.Web
アセンブリ: System.Web (system.web.dll 内)
構文
'宣言
Public Sub SetNoStore
'使用
Dim instance As HttpCachePolicy
instance.SetNoStore
public void SetNoStore ()
public:
void SetNoStore ()
public void SetNoStore ()
public function SetNoStore ()
適用できません。
使用例
HttpCachePolicy クラスの SetNoStore メソッドを使用して、応答を履歴に格納しないようクライアントに指示する方法を次のコード例に示します。
<%@ Page language="VB" AutoEventWireup="true" %>
<!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>HttpCachePolicy - SetNoStore - Visual Basic .NET Example</title>
<script runat="server">
Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
' Prevent the browser from caching the ASPX page.
Response.Cache.SetNoStore()
' Display the DateTime value.
Label1.Text = DateTime.Now.ToLongTimeString()
End Sub
</script>
</head>
<body>
<form id="Form1" method="post" runat="server">
<h3>HttpCachePolicy - SetNoStore - Visual Basic .NET Example</h3>
<p>Click the Submit button a few times, and then click the Browser's Back button.<br />
You should get a "Warning: Page has Expired" error message.</p>
<p>Time: <asp:Label id="Label1" runat="server" Font-Bold="True" ForeColor="Red" /></p>
<asp:Button id="Button1" runat="server" Text="Submit" />
</form>
</body>
</html>
<%@ Page language="c#" AutoEventWireup="true" %>
<!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>HttpCachePolicy - SetNoStore - C# Example</title>
<script runat="server">
void Page_Load(Object sender, EventArgs e)
{
// Prevent the browser from caching the ASPX page
Response.Cache.SetNoStore();
// Display the DateTime value.
Label1.Text = DateTime.Now.ToLongTimeString();
}
</script>
</head>
<body>
<form id="Form1" method="post" runat="server">
<h3>HttpCachePolicy - SetNoStore - C# Example</h3>
<p>Click the Submit button a few times, and then click the Browser's Back button.<br />
You should get a "Warning: Page has Expired" error message.</p>
<p>Time: <asp:Label id="Label1" runat="server" Font-Bold="True" ForeColor="Red" /></p>
<asp:Button id="Button1" runat="server" Text="Submit" />
</form>
</body>
</html>
プラットフォーム
Windows 98,Windows Server 2000 SP4,Windows CE,Windows Millennium Edition,Windows Mobile for Pocket PC,Windows Mobile for Smartphone,Windows Server 2003,Windows XP Media Center Edition,Windows XP Professional x64 Edition,Windows XP SP2,Windows XP Starter Edition
Microsoft .NET Framework 3.0 は Windows Vista,Microsoft Windows XP SP2,および Windows Server 2003 SP1 でサポートされています。
バージョン情報
.NET Framework
サポート対象 : 3.0,2.0,1.1,1.0