Introduction to ASP.NET
ASP.NET i s the next stage in the evolution of Microsoft's server–side technologies for dynamically creating web pages. It's a successor to Asp 1.0, 2.0, and 3.0 (now collectively referred to as classic asp) and enables you to do everything that these older technologies could do, plus a whole lot more. although it's different from it's predecessors, it dose share many classic ASP language features and support much of the old object model , thus providing a reasonable amount of backward compatibility.
ASP.NET solves many of the problems that currently face web developers and it greatly simplifies the tasks of creating debugging, and deploying web applications.
Advantages of ASP.NET
Asp.net is full of new features and improvements. The following list includes the most significant changes and additions:
-ASP.NET is fully integrated with the .NET framework and with the Visual Studio.NET development environment .it's not a bolt-on addition or after thought, and ASP.NET applications have full and unrestricted access to all of the .NET classes and features, also ASP.NET applications are built on top the common language runtime (CLR) and can be written in VB.NET, C#, or any other .NET language.
-ASP.net applications are largely component-based and modularized, and almost every object, page, and HTML element can be a runtime component that can be programmed through properties, method, and event.
-ASP.NET applications typically involve less code than classic ASP through the use of Web Forms, server controls, components, and other intrinsic features. Also, the architecture and structure of ASP.NET applications
emphasize the separation of code from content, with interface elements held in ASPX files while programming logic is compiled into a .dll.
- ASP.NET supports numerous caching technologies to allow efficient storage and retrieval of any kind of object or data, including XML, database query results, partial or complete pages, any part of the browser stream, images, and much more.
- There are major improvements to debugging and error handling, including page- and application-level tracing. Error information can be reliably passed between pages, so that common, centralized error logging and reporting systems can be built. VB .NET supports structured error handling, with consistent reporting of errors and error information regardless of the source or cause of the error.
-ASP.NET supports easy deployment, updates and component management, and text-based configuration through XML documents.
- ASP.NET supports creating and managing Web Services, replacing DCOM technology with a solution that is platform neutral and firewall friendly, plus incredibly easy to build, test, and deploy.
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