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action ajax ajaxcfc basic call cf cffunction cfif cfloop cfset checkprocessingstatus code component csv csvcontents div doprocess doprocessresult fieldnames file files form function getrecordcounter interval javascript list number open page pm posted presented process processed processing records rss script sessionrecordcounter simply solution source status string structkeyexistsform submitting table tablehtml thecolumn therow type upload uploaded uploadedfilename user var variable

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was presented with a problem for a recent project. A user would be able to upload a file at which point it would be processed with the results of the processing to be presented to the end user on the screen. This sounds simple, the problem was that the processing could be lengthy, and if it occurred in conjunction with the upload, the user would be waiting for the response page to load and left wondering what happened to their file (and might be tempted to hit back or refresh). So, what I wanted to do was find a way to let the user know we got the file and then to update them on the status of the processing so that they know something is occurring. I was able to accomplish this quite simply using Rob Gonda's AjaxCFC. Keep in mind, this code was a proof of concept and doesn't reflect best practices in all aspects (and I am also very happy to hear if someone has another solution).

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