Writing Custom Controls
User controls are good at prototyping new controls that have a complex user interface. They are the perfect solution when you need to combine two or more controls. As long as the structure of the new controls is stable during the lifetime of the program, user controls offer you an excellent mix of programming ease and productivity. The architectural principle lying behind a user control is aggregation rather than inheritance. If you need only an enhanced or stripped-down version of an existing control, you are better off writing a new class that inherits from it.
A Web control has varying degrees of complexity. You can write a simple Web control that outputs HTML code, but you can also write a more complex composite control ...
Get Building Web Solutions with ASP.NET and ADO.NET now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
