About Assembly in .NET, types of assemblies, their
difference, How to register into GAC. How to generate the
strong names & its use ?

Answer Posted / poonam

In the Microsoft .NET framework, an assembly is is used by
the .NET CLR (Common Language Runtime)as a partially
compiled code library for use in deployment, versioning and
security. In the Microsoft Windows implementation of .NET,
an assembly is a PE (portable executable) file. There are
two types: process assemblies (EXE) and library assemblies
(DLL). A process assembly represents a process which will
use classes defined in library assemblies.
Assemblies consists of a manifest and one or more modules
and/or files like HTML, XML, images, video clips,...

An assembly must contain a single manifest and may
optionally contain type meta data, MSIL (Microsoft
Intermediate Language) and resources.

.Net Assembly can be classified in four Categories:

(A) With Respect to Program Access.
i) Private Assembly- It can be used only in one
application.This is the default style of assembly. Such
assemblies must reside in the application folder.
ii) Public/Shared Assembly- It can be used by all
applications in the server.
They must have a globally unique name and must be defined in
the GAC (Global Assembly Cache).

(B) With Respect to Number of Resources.
i) Static Assembly- It uses fixed resources.
ii) Dynamic Assembly- It supports dynamic creation
of resouces or files at
runtime programatically.

(C) With Respect to Deployment.
i) Satellite Assembly- Easily Deployable. (Visual
Studio 2005).
ii) Resource-Only Assembly- In Visual Studio 2003.

(D) With Respect to Number of Assemblies.
i) Single File Assembly- /Bin/x.dll

ii) Multi File Assembly- /Bin/x.dll
y.dll
z.dll
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