[ASP. NET] main differences between user controls and Custom Controls

A major difference between user controls and custom controls is that user controls are restricted in the creation of their applications.ProgramAnd the custom control can be used by any application. Therefore, they are pre-compiled into assembly files, making them easier to transplant. They also inherit from the system. Web. UI. Control namespace, rather than the namecontrol specified by the application. Typical examples of custom controls include the Treeview control and a custom file open dialog box for a specific file type.