Wednesday, October 22, 2008

ASP.NET Vs Others

What is ASP.NET?
The latest incarnation of ASP, ASP.NET, is not completely backward-compatible with previous versions of ASP, as it is a complete rewrite of the software. Previous ASP technology actually has a lot more in common with PHP than with ASP.NET, which is a complete framework for building Web applications. One of the principal features of this model is the flexibility to choose your programming language. ASP.NET works with scripted languages such as VBScript, JScript, Perlscript, and Python, as well as compiled languages such as VB, C#, C, Cobol, Smalltalk, and Lisp. The new framework uses the common language runtime (CLR); your language source is compiled into Microsoft Intermediate Language code, which the CLR then executes.

The framework also provides for true object-oriented programming (OOP), and true inheritance, polymorphism, and encapsulation are supported. The .NET class library is organized into inheritable classes based around particular tasks, such as working with XML or image manipulation.

Besides the programming language and the methodology, database access is a significant concern. When you program in ASP.NET, integration with databases can be accomplished through ODBC, which provides a consistent set of calling functions to access your target database.

What is PHP?
PHP is a scripting language based on the model of preprocessing HTML pages. When the PHP preprocessor in your Web server notices a PHP language tag like the following, the PHP engine is invoked to execute that code:

some code here

PHP will be familiar to any programmers who have worked with imperative programming languages; you'll notice syntactical similarities with Perl, C, and Java. Strictly speaking, Java is an imperative programming language, but it also makes use of object-oriented constructs and concepts. PHP borrows from this structure when it is convenient, but it is not a pure OOP language.

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