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CGI and Ajax communication

CGI and Ajax communication

CGI and Ajax communication

I am using C based CGI on my linux system and in my form I upload a file:

"<form id=\"systemupdate_form\" action=\"SaveSystemUpdate.cgi\" onsubmit=\"return (polling_start() && ValidateForm(this));\" enctype=\"multipart/form-data\" method=POST>\n"

SaveSystemUpdate.cgi : gets called when the user hits the upload button.

polling_start(): is a javascript function where Ajax keeps asking for the updated value(number of bytes being copied) from another xyz.cgi script. The contents of this cgi is: system("some command");

The whole structure is logically correct, but the xyz.cgi returns Ajax status to be 0 or 500 most of the time.

RE: CGI and Ajax communication

You probably need to change xyz.cgi to do system("some other command");

If you want a more specific and detailed answer, you're going to need to ask a more specific and detailed question; specifically one with some actual code and/or a url in it.

-- Chris Hunt
Webmaster & Tragedian
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