You can only add Strong named dll in GAC folder
Below are the steps to add dll in GAC
1.) Open Command Prompt of window (Go to start-->Run and Type 'cmd')
2.)you need Gacutil.exe which is mostly in the below path on the Drive.
C:\Program Files\Microsoft SDKs\Windows\v6.0A\bin
3.) In the command prompt go till here by command cd(Change Directory) ie
4.)Now use this command to register your dll in GAC
gacutil /i mydll.dll
Below are the steps to add dll in GAC
1.) Open Command Prompt of window (Go to start-->Run and Type 'cmd')
2.)you need Gacutil.exe which is mostly in the below path on the Drive.
C:\Program Files\Microsoft SDKs\Windows\v6.0A\bin
3.) In the command prompt go till here by command cd(Change Directory) ie
4.)Now use this command to register your dll in GAC
gacutil /i mydll.dll
