Assembly Links an assembly to the Page or user control for which it is associated.
Control For using with user controls (.ascx).
Implements Implements a specified .NET Framework interface.
Import Imports namespaces into the Page or user control.
Master Set master page. It be used only with master pages (.master).
MasterType Associates a class name to a Page in order to get at strongly typed references.
OutputCache Controls the output caching policies of a Page or user control.
Page Enables you to specify page specific attributes and values to use when the page parses or compiles.
PreviousPageType Enables an ASP.NET page to work with a postback from another page in the application.
Reference Links a Page or user control to the current Page or user control.
Register Associates aliases with namespaces and class names for notation in custom server control syntax.