PRO ASP.NET 2.0 IN VB 2005

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Download free Pro ASP.NET 2.0 in VB 2005.pdf When Microsoft created .NET, it wasn’t just dreaming about the future—it was also worrying about the headaches and limitations of the current generation of web development technologies. Before you get started with ASP.NET 2.0, it helps to take a step back and consider these problems. You’ll then understand the solution that .NET offers.

In this chapter you’ll consider the history of web development leading up to ASP.NET, take a whirlwind tour of the most significant features of .NET, and preview the core changes in ASP.NET 2.0. If you’re new to ASP.NET, this chapter will quickly get you up to speed. On the other hand, if you’re a seasoned .NET developer, you have two choices. Your first option is to read this chapter for a brisk review of where we are today. Alternatively, you can skip to the section “ASP.NET 2.0: The Story Continues” to preview what ASP.NET 2.0 has in store.

More than ten years ago, Tim Berners-Lee performed the first transmission across HTTP (Hypertext Transfer Protocol). Since then, HTTP has become exponentially more popular, expanding beyond a small group of computer-science visionaries to the personal and business sectors. Today, it’s almost a household term.

When HTTP was first established, developers faced the challenge of designing applications that could discover and interact with each other. To help meet these challenges, standards such as HTML (Hypertext Markup Language) and XML (Extensible Markup Language) were created. HTML established a simple language that could describe how to display rich documents on virtually any computer platform. XML created a set of rules for building platform-neutral data formats that different applications could use to exchange information. These standards guaranteed that the Web could be used by anyone, located anywhere, using any type of computing system.

At the same time, software vendors faced their own challenges. They needed to develop not only language and programming tools that could integrate with the Web but also entire frameworks that would allow developers to architect, develop, and deploy these applications easily. Major software vendors including IBM, Sun Microsystems, and Microsoft rushed to meet this need with a host of products.

ASP.NET 1.0 opened a new chapter in this ongoing arms race. With .NET, Microsoft created an integrated suite of components that combines the building blocks of the Web—markup languages and HTTP—with proven object-oriented methodology.

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