The onClick event occurs in the web browser and - assuming javascript is enabled - runs javascript in the browser. You appear to be intending that the button click runs first.cgi on the webserver.

If that is the case, HTML Forms and Input would be a good place to start learning. Once you have the basics of HTML forms, then the FORMS section of the CGI documentation will be easier to comprehend.

In reply to Re: CGI button -onClick not working by keszler
in thread CGI button -onClick not working by tarunkhanna

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