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In LANSA this is the practice of using the query string portion of the URL to indicate a particular page or feature of a web application. For example, the following type of URL:
www.asite.com?ProductListPage=37
This will cause the browser to navigate to the domain (www.asite.com), and it is assumed that as part of the load that the query string portion of the URL will be interpreted and the site will show page 37 of the product list.
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