GAC in Asp.Net

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In this post we will discuss about what is GAC in .Net. Also you can check out my previous post on ExecuteNonQuery(), ExecuteReader() and ExecuteScalar() in Ado.Net, Anonymous Types in C#.Net and WCF interview questions and answers in C#.Net.

– GAC stands for Global Assembly Cache.

– GAC can be termed as registry of .Net framework for maintaining shared assemblies. This comes with .Net installation.

– Location of GAC is C:\Windows\assembly

– The GAC folder is accessible with security options-

1. The folder will only accept strong name assemblies.
2. The folder is accessible to the user with administrative previlages for placing assembly or removing assembly.

– You can place an assembly into GAC in two ways:

1. Drag and Drop: Through explorer view you can drag and drop the assembly to the GAC.

2. GACUtil.exe: You can put assembly to GAC using the command line utility GACUtil.exe

Gacutil -i “Path of the assembly”

It will put the dll into GAC.

– To remove an assembly from GAC you can use the same GACUtil utility like below:

Gacutil -u AssemblyName

The above command will remove the assembly from GAC.

– Windows registry will maintain location of COM components where as GAC will contain assembly.

– Windows registry can not contain multiple versions of COM component where as GAC can contain multiple versions of assembly.

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About Bijay Kumar

I am Bijay from Odisha, India. Currently working in my own venture TSInfo Technologies in Bangalore, India. I am Microsoft Office Servers and Services (SharePoint) MVP (5 times). I works in SharePoint 2016/2013/2010, SharePoint Online Office 365 etc. Check out My MVP Profile.. I also run popular SharePoint web site

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