Displaying a Progress Indicator During jQuery Ajax Calls

Unlike traditional full page postback, where a user can easily understand that the page is being processed, Ajax based communication doesn't give any clue to the user about the processing being done in the background. This is especially important when the Ajax calls involve lengthy server side processing. It would be nice if you show some progress indicator or wait message to the end user while making Ajax calls. To that end this article shows one simple way of displaying such a progress indicator.

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