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AJAX Isn`t All Purpose Soap
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03/22/2006, By Justin Schultz
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Later, I'll demonstrate the benefits of AJAX using a test case application for a chemical sales company. First, I'll illustrate the immediate advantages by using an application that I built for a medical insurance company a few years ago that allowed customers to proximity search for medical providers near their homes.
The application was built with ASP.NET (C#) and SQL Server, and worked by triangulating medical providers out of a database near a specific address. Customers could pick from a list of search options and build queries like "I'd like to find cardiologists within 15 miles of 01824" or "I'd like to find cardiologists within 15 miles of 01824 that have practiced medicine for at least 13 years and graduated from XYZ College", etc… Any time customers would refine their search options, my code would locate medical providers and update a list in their browser.
The problem with this application is that it was slow and not very responsive. When a customer would select more specific search options, the request was routed to the server, the database would go through the triangulation algorithm, and eventually the list of medical providers would get displayed in the user's browser. Often times, a complex query could take over a minute to complete.
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