WEBDEV Concepts

Part 5: Databases 183 2 Retrieving data from a site> 2.1 Via a query Active WEBDEV Page WEBDEV allows you to create Active WEBDEV Pages. WP pages are independent pages that can run processes from the parameters passed as command lines to the page. Active WEBDEV Pages can be used to retrieve data entered on the site. Web server - WEBDEV site - Database - AWP pages Company headquarters - WINDEV application (Back Office) Run the AWP pages by HTTP requests Data transmission in string format Active WEBDEV Pages on the Web server receive regular HTTP requests run by the Back Office application. The data is returned in string format and processed by the WINDEV application. Benefits : • Solution that can be easily implemented. • Equivalent to a customWeb service. • No additional executable is required on the server. No additional session is run on the server. Drawback : Unidirectional data retrieval: no data update toward the server. This solution can be used on a shared server .