Long Task Hangs Other Pages?

Sep 28, 2010

I'm generating reports on the fly using the great SpreadSheetGear tool. At first things were great because the reports were simple and done in under 1 second. Now I'm at more complex reports and they are taking about 30 seconds up to 1 minute. This isn't a problem, we just throw up an activity image and let the user wait, fine by us.

The problem I've found is when two users come to the site.

User 1 comes to the site
User 1 runs a report that takes 30 seconds.
User 2 comes to the site
User 2 waits until user 1 report is done then the page loads.

The report running for User 1 hangs up the site until it's done. What is going on and how can I fix this?

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