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Moving from Classic ASP to ASP.NET ASP.NET is Microsoft new offering for Web application development, innovation within ASP.NET have resulted in significant industry popularity for this product. Consequently there is an increased need for ASP.NET education. The Web Application Development is a third year undergraduate course. To meet the demands of both industry and students, we have changed the focus of this course from Classic ASP to ASP.NET. This paper reports this move. The significant features of ASP.NET and the motivations for this move are discussed. The process, the problems encountered, and some helpful online learning resources are described.41592
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Key words：Web Application Development, Classic ASP, ASP.NET, Move, VB.NET
1. INTRODUCTION
ASP.NET is not just a new version of ASP. It provides innovation for moving Windows applications to Web applications. Web services and the .NET framework have made the vision of the Web as the next generation computing platform a reality. With server controls, Web forms and “code-behind”, we can develop a Web application by using a complete object-oriented programming (OOP) model. This increases the popularity of ASP.NET in industry. The industry project is the final course of the Bachelor of Computing Systems (BCS) degree at UNITEC, in which students undertake a real-world project. We have observed a rapid growth of ASP.NET related industry projects in our school.
This paper will examine the features of ASP.NET and explain why these are unique. The motivations for moving to ASP.NET are discussed by analyzing the current situation of ASP.NET related to industry projects in our school, analyzing the results of short surveys on students, and analyzing whether ASP.NET is a better tool for teaching. Problems encountered during the move are also discussed and some of the learning resources are presented. It is anticipated that these will be helpful for 2teachers who intend to introduce ASP.NET.
2.WHAT MAKES ASP.NET SPECIAL?
There are many articles on the Internet discussing the advantages of ASP.NET over Classic Active Server Pages (ASP), such as that ASP.NET introduces an integrated development environment (IDE), a single development library for all types of applications, compiled as well as strongly typed code, and a true OO approach to Web application development (Goodyear, 2002, Bloom, 2002). Traditionally, we have three versions of ASP (ASP 1.0, ASP 2.0 and ASP 3.0), which are called Classic ASP. Although each version provides certain new features to overcome the shortcomings of its predecessors, these versions of ASP follow the same working model and share many limitations. Their successor ASP.NET supports complete new working model while preserving the traditional working model and provides innovative techniques to overcome the limitations of Classic ASP.
2.1. Architecture
ASP.NET enhances and extends the Windows DNA (Windows Distributed interNet Application). The windows DNA specification is a methodology for building n-tier applications using Microsoft (DCOM/COM) technologies. Breaking applications into functional pieces and deploying these across a network is a strategy to make better use of organizational resources. This needs a well-planned architecture. In the past, usually it was the windows DNA. DCOM communication normally has problems with firewalls and proxy servers. This means Windows DNA usually only works well within an intranet, not on the Internet. DCOM/ COM also need registry entries.
ASP.NET makes the process of creating and integrating Web Services easier, which can be used in a similar manner to the Windows DNA. Here DCOM/COM is no longer involved. HTTP (as channels), SOAP (as formatters) and XML are used for communication and data-transfer between distributed components. This overcomes the problem of communicating across the Internet and across corporate firewalls 3without resorting to proprietary solutions that require additional communications ports to be opened to external access. In addition, URI (uniform resource identifier) and UDDI (Universal Description Discovery and Integration) are used for remote components references instead of registry entries.
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