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Basic .Net Framework

Posted Date: 26 Sep 2007 Resource Type: Articles Category: .NET Framework

Posted By: Nivas T Member Level: Gold
Rating:

Points: 7

Introduction

This article contain detailed description of .Net Framework and its function. This article very useful to the .net beginners.

Intermediate Language (IL)

The (IL)Intermediate Language also known as MSIL (Microsoft Intermediate Language) or CIL (Common Intermediate Language), .NET source code is compiled to IL. This IL is converted to machine code at the point where the software is installed, or at run-time by a Just-In-Time (JIT) compiler.

Common Language Runtime (CLR)

The CLR is Common Language Runtime and it forms the heart of the .NET framework. All languages have runtime and its the responsibility of the runtime to take care of the code execution of the program. The CLR responsibilities are

a/ Intermediate language
b/ Code Verification
c/ Garbage Collection
d/ Code Access Security

Common Type System (CTS) and Common Language Specification (CLS)

The CTS can be used to accept other languages through the .net platform. Its contain all type of
datatypes and the possible coding or programing structure. The .Net supports nearly twenty languages
by this concept. This is a subset of the CTS which all .NET languages are expected to support.It was always a dream of microsoft to unite all different languages in to one umbrella and CLS is one step towards that.Microsoft has defined CLS which are nothing but guidelines that language to follow so that it can communicate with other .NET languages in a seamless manner.

Managed Code

Managed code runs inside the environment of CLR i.e. .NET runtime.In short all IL are managed
code.But if you are using some third party software example VB6 or VC++ component they are
unmanaged code as .NET runtime (CLR) does not have control over the source code execution
of the language.

Assembly

Assembly is unit of deployment like EXE or a DLL. An assembly is completely self-describing.An assembly contains metadata information, which is used by the CLR for everything from type checking and security to actually invoking the components methods.As all information is in assembly itself it is independent of registry.This is the basic advantage as compared to COM where the version was stored in registry. In shared assembly deployment, an assembly is installed in the Global Assembly Cache (or GAC). The GAC contains shared assemblies that are globally accessible to all .NET applications on the machine.

NameSpace

NameSpace Logically group types. In Object Oriented world may times its possible that programmers will use the same class name.By qualifying NameSpace with classname this collision can be removed. Example System.Web.UI logically groups our UI related features.

Manifest

Assembly metadata is stored in Manifest. The assembly manifest can be stored in either a PE file (an .exe or .dll) with Microsoft intermediate language (MSIL) code or in a stand-alone PE file that contains only assembly manifest information.

Responses

Author: Mohammed Karimulla 08 Oct 2007

Member Level: Bronze Points : 0

Paragraph of the aricle
//*
The CTS can be used to accept other languages through the .net platform. Its contain all type of
datatypes and the possible coding or programing structure. The .Net supports nearly twenty languages
by this concept. This is a subset of the CTS which all .NET languages are expected to support.It was always a dream of microsoft to unite all different languages in to one umbrella and CLS is one step towards that.Microsoft has defined CLS which are nothing but guidelines that language to follow so that it can communicate with other .NET languages in a seamless manner.

*//

Doubt:
In the above paragraph i have read. " This is a subset of the CTS which all .NET languages are expected to support." . Here the word "This" referes to what i have not understand pls let me know. Pls send me the reply to the below given email Id.

Regards
md.Karimulla
mdkarimulla22@gmail.com

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