The Visual DataFlex Web Application Server is a high performance, fully integrated application server for deploying browser-based applications, Web Services and service oriented architecture (SOA) solutions.

Since Web Application Server is an integrated component of Visual DataFlex, it utilizes and leverages the complete resources of the environment. VDF Studio is the integrated development environment for web applications building; Data Dictionary Objects and Business Process Objects can be shared among Windows client-server and web applications and web services.

A single development-deployment architcture that uses shared components and common code means faster development, less code, easier maintenance and, overall, less complexity to build and deploy solutions.

Technically, Web Application Server is a compact, highly-efficient, C++ based application and transaction processing engine that connects to users and/or services via Microsoft IIS and to a variety of database options using Visual DataFlex’s standard connectivity architecture.

Web Application Server’s design provides a fundamentally secure environment. An HTML interface defines visual properties for web pages and a messaging protocol for communication with the application server.  Server-side applications are driven entirely by messages. Applications code and database access and manipulation code are compiled and run in the server.

AJAX and Rich Internet Applications (RIA)

The AJAX Library helps developers build Rich Internet Applications (RIA) fast & easy! The AJAX Library enables developers to make their web applications more feature-rich and better looking. It includes both the foundation for building AJAX (or Web 2.0 applications), as well as a sample application that shows developers how to do it.

Learn more about the AJAX Library for Visual DataFlex.

Web Content Management

For content oriented requirements, A Web Application Server application: Electos - a content management system (CMS) is available under a variety of licensing arrangements.  Electos Visual DataFlex source code is available under a special license for those that wish to customize the CMS or integrate it with other solutions.

Web Application Server is highly efficient and scalable.  Internet (single server) and Enterprise (clustered, multi-server with load balancing) Editions are available to accomodate a variety of deployment requirements.

The Lite Web Application Server licensed with the Studio is suitable for use with production applications that have low-demand requirements, in addition to use for testing purposes.

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