Creating single DLL for Web User Controls in ASP.NET website project

Are you trying to create single DLL for a web user control and end up getting multiple DLL's for each user control ?

Well you are in right place . The best option is to use web deployment project which is an Add in to Visual Studio .

Install the project template from here

http://msdn.microsoft.com/en-us/asp.net/aa336619.aspx

Once installed follow this article for creating a single DLL for your web project :

http://msdn.microsoft.com/en-us/library/aa479568.aspx