HttpCachePolicy.SetNoStore メソッドとは何？わかりやすく解説 Weblio辞書

.NET Framework クラスライブラリリファレンス

索引トップ用語の索引ランキング

HttpCachePolicy.SetNoStore メソッド

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

Visual Basic (宣言)

Public Sub SetNoStore

Visual Basic (使用法)

Dim instance As HttpCachePolicy

instance.SetNoStore

public void SetNoStore ()

C++

public:
void SetNoStore ()

public void SetNoStore ()

JScript

public function SetNoStore ()

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。

Visual Basic

<%@ Page language="VB" AutoEventWireup="true"
 %>
<HTML>
  <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"
 %>
<HTML>
  <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>