HttpCachePolicy.SetNoStore Method
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Sets the Cache-Control: no-store
HTTP header.
public:
void SetNoStore();
public void SetNoStore ();
member this.SetNoStore : unit -> unit
Public Sub SetNoStore ()
Examples
The following code example demonstrates how to use the SetNoStore method of the HttpCachePolicy class to direct the client not to store the responses in its history.
<%@ 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>
<%@ 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>
Applies to
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