$Web_NoCache

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Set HTTP response headers so fresh page displayed

$Web_NoCache sets various HTTP response headers so that the browser will display the new version of the response page, regardless of any cached versions.

$Web_NoCache does not take any arguments and it returns a numeric status code. It is a callable $function.

Syntax

%rc = $Web_NoCache

Syntax terms

%rc A numeric status code:
Code Meaning
0 Completed successfully
-1 Not a web thread

Usage notes

$Web_NoCache is useful if you know that the page contains new information that the web user should see.

Examples

* Ensure new version of page is seen: %X = $Web_NoCache