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Saturday, January 14, 2006

Developing ASP (Chapter 1)

Developing ASP 1.x
ASP 1 was an upgrade to Internet Information Server 2, bringing it up to version 3, and was installed as an optional downloaded component.The public beta was first made available in October 1996 and the final release was a factor in IIS quickly overtaking Netscape in the server market.
Around the same period, Microsoft had purchased and further developed a Web site authoring tool called FrontPage that brought with it a new organizational and hosting concept of the FrontPage Web, enabling the developer to deploy Web applications in drag and drop style without using the File Transfer Protocol (FTP).This concept would be carried through into Microsoft Visual Interdev, Microsoft’s new HTML and ASP editing environment.
ASP 1 was surprisingly feature-rich for a version 1 product. It included much of the revolutionary functionality ASP that today’s programmers take for granted, such as ActiveX Data Objects that shield the programmer from differences in database implementations, with record sets to easily access and navigate database query results, and the ability to mix and match logic and presentation code in the same page. Programmers found the limitations of some areas frustrating, for example, options for reading and writing to the file system; but overall,ASP 1 was a breath of fresh air, and many developers quickly and eagerly adopted it.
Developing ASP 2.x
Once ASP 1 had settled and become established, Microsoft released a new version of Internet Information Server and an upgrade to ASP, with a combined download called the Windows NT 4 Option Pack.This time,ASP was built in to the Web server setup and was not seen as an extra.The Web server was a big improvement, with better support and functionality all round and the addition of a Simple Mail Transfer Protocol (SMTP) Mail service.
With ASP 2, the technology matured to the point where developers could really implement powerful, large-scale solutions. Big-name companies adopted the Microsoft platform for their high traffic transactional sites and the technology proved itself time and again against the demands of serving up millions of page views.
From launch, ASP 2 showed improvements across the board, such as increased file system functionality, added components, and language improvements.Thirdparty developers released components into the market place that filled in every conceivable gap in functionality, and developers were producing their own bespoke components through ASP’s Component Object Model (COM)-based architecture.
Developer tools also had upgrades, with Visual Interdev becoming much improved and better integrated into the Visual Studio suite, with access to Visual Source Safe for source control.Third-party tool vendors had also developed their own solutions, with many wizard-style developers’ toolkits and integrated environments coming to market, such as the popular Macromedia Ultradev.
More recently,Microsoft extended the language code with incremental releases of the language runtime Scripting Engines, allowing for improvements in the languages, such as support for Regular Expressions, without the need for full new versions of Active Server Pages.

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