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Migrating from ASP.NET 1.x to ASP.NET 2.0
For those stuck on ASP.NET 1.x, you may be wondering how you can make the leap to 2.0. Microsoft has released an article which discusses how the architecture of ASP.NET has changed to support a greater variety of options for compilation and deployment. It also goes into the detail on the new features in 2.0.
Goals of ASP.NET 2.0Building on ASP.NET 1.1, the developers of ASP.NET 2.0 chose to focus on four goals:
- Improve the reliability and usability of Web applications.
Currently, most ASP.NET 1.x applications run on Microsoft Internet Information Services (IIS) 5.0. ASP.NET 2.0 leverages new IIS 6.0 features for improved performance and scalability. Specifically, IIS 6.0 provides a new process model that greatly enhances the ability of a server to host multiple applications in a truly independent fashion. Each ASP.NET application resides in its own isolated process and cannot accidentally interact with other applications. Simply put, applications can no longer break each other. Each application runs completely separated from every other application. If one application crashes, it doesn't affect other applications.
In terms of usability, new features such as master pages and themes allow you to develop large Web applications using a consistent structure that is manageable and configurable. In addition, changes to ASP.NET 2.0 allow for the automatic creation of Web pages suitable for use on mobile devices. The full integration of the Microsoft Mobile Internet Toolkit into the core ASP.NET 2.0 framework provides a complete platform for creating comprehensive, enterprise-wide applications.
- Reduce the number of lines of code you have to write in common scenarios.
ASP.NET 2.0 includes wizards and controls that allow you to perform frequent tasks (for instance, data access) without having to write a single line of code. Microsoft Visual Studio 2005 includes designers to layout and configure complex pages with data-bound tables. As a developer, you can use the wizards to work faster and smarter.
ASP.NET 2.0 also leverages changes in the Microsoft .NET Framework. In particular, the partial class concept is particularly useful for ASP.NET developers. A partial class lets you write part of the code and lets the ASP.NET compiler write the rest when necessary. You no longer have to see boilerplate code, nor do you have to write any of it.
- Offer user features to personalize Web applications.
ASP.NET 2.0 includes built-in controls to help you manage user accounts and personalize the content and layout of pages in your application. First, the membership service lets you track users. The new login controls integrate with the membership service to allow you to automate account creation and user login without writing any code. The new Web Parts feature allows you to create Web applications that contain sub-panels known as Web Parts. Users can select and customize the parts that are displayed on a Web page as they see fit. Finally, the Profile service provides long-term persistence of user preferences and data through declarative XML configuration.
- Provide enhanced design features to generate consistent layouts and design.
ASP.NET 2.0 includes master pages, themes, and skins to build applications with a consistent page layout and design. These new features are easy to implement and modify, and greatly enhance the manageability and maintainability of large applications.
Read more in: Migrating from ASP.NET 1.x to ASP.NET 2.0
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