Difference between Web User Control and Custom Control in Asp.Net

Web User Control:-

• It will be represented in the form of  ASCX file.
• This is not a compile context so it will be not available in tool box.
• It will local to the application.
• It supports caching.
• It does not support scratch level control creation.

Custom Control:-

• It will be represented in the form of dll file.
• This is compiled context so it will available in the tool box.
• it will global to application.
• It does not support caching.
• It supports scratch level control creation.