Introduction
Assembly is a unit of deployment like EXE or dll. There are 3 types of assembly available in .NET.
They are,
1. Private Assembly
2. Public/Shared Assembly
3. Satellite Assembly
Private Assemblies are created and stored in the Application's directory.
Public/Shared assemblies are used by one or more applications and stored in the Global Assembly Cache. Usually they are libraries of code.
Satellite Assemblies are assemblies which are customized for localization in multilingual applications.
Here are the steps you need to make a Public/Shared assembly.
<h3><U>STEP 1:</U>(Create a Strong Name)</h3>
Create the strong Name for your dll using the following command.
In the .NET Framework SDK Command Prompt,
<Drive>:/Program Files/Microsoft Visual Studio 8/SDK/v2.0> sn -k myStrongName.snk
<h3><U>STEP 2:</U> (Create a Class)</h3>
In the Command Prompt,
<Drive>:/Program Files/Microsoft Visual Studio 8/SDK/v2.0> notepad myClass.cs
Type the following program and save.
using System;
using System.Reflection;
[assembly: AssemblyVersion("1.0.*")]
[assembly: AssemblyKeyFile("myStrongName.snk")]
public class clsDotNetSpider
{
public int Add(int a, int b)
{
return(a + b);
}
}
<h3><U>STEP 3:</U>(Make the Assembly)</h3>
This will create the Assembly of your class "myClass.cs"
<Drive>:/Program Files/Microsoft Visual Studio 8/SDK/v2.0> csc -t:library myClass.cs
<h3><U>STEP 4:</U> (Making it as PublicAssembly)</h3>
The following command will install your dll in Global Assembly Cache-GAC(<Drive>:/WINDOWS/ASSEMBLY)
<Drive>:/Program Files/Microsoft Visual Studio 8/SDK/v2.0> gacutil /i myClass.dll
<h3><U>STEP 5: </U>(Using your PublicAssembly)</h3>
1. Copy and paste the myClass.dll into
<Drive>:\Program Files\Microsoft Visual Studio 8\Common7\IDE\PublicAssemblies
folder.
2. Create a new ConsoleApplication.
3. Click --> Add reference. Choose myClass from the .Net Components List.
4. Now you can use the myClass.dll in your application
using System;
namespace GACSample
{
class Program
{
static void Main(string[] args)
{
clsDotNetSpider obj = new clsDotNetSpider();
int Result = obj.Add(2, 3);
Console.WriteLine(Result);
Console.ReadKey();
}
}
}
Summary
Shared assemblies are stored in the GAC. This is a system-wide cache and all applications on the machine can use any assembly in the GAC. To an application user it appears that the GAC is a single folder, however, it is actually implemented using FAT32 or NTFS nested folders which means that there can be multiple versions (or cultures) of the same.
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| Author: Gomathi NS 30 Jun 2007 | Member Level: Silver Points : 0 |
Please Feel Free to send your Feedback
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| Author: Mydeen 30 Jun 2007 | Member Level: Bronze Points : 0 |
Good Article. Very useful for beginners..
Mydeen S
Take solutions
India
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| Author: Khemchandra Gupta 04 Jul 2007 | Member Level: Silver Points : 0 |
Very good for those are starting
your step by step method is very good
thanks
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| Author: Ipsita Routray 11 Jan 2008 | Member Level: Bronze Points : 0 |
This article is very good. But i have little concern.While i was working in the command prompt, i got an error that source file could not be found after the command: csc -t:library myClass.cs.
I saved this file in C drive.Please anybody can help me out regarding this.
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