ASP.NET hierarchy
ASP.NET Windows Forms Application Development Technology
Component model
ADO.NET XML GDI class library
Base class library
Public language runtime CLR
Operating system (bottom)
The role of namespace will group
ADO.NET can access the database engine such as the SQLServerXML layer includes the implementation of the class, industry standards in the system.xml namespace and its subnames. GDI painting and drawing function component model layer is designed by system.comPonentModel and System.ComponentModel.Design Namespace design tools
Page programming model
Programmable web page
All server controls are generated directly or indirectly from System.Web.Control class
The Page class and the UserControl class are described as ASPX and ASCX files, respectively, and the LiteralControl class description continuous static text