ASP.NET Server Control Template
[This documentation is for preview only, and is subject to change in later releases. Blank topics are included as placeholders.]
You can use the ASP.NET Server Control project template to author custom Web server controls. The template adds the project items, project references, and files that are required to start creating a control that can then be added to any Web project.
See Also
Concepts
Default Project Templates in Visual Studio
File Types and File Extensions in Visual Basic and Visual C#
ASP.NET Web Server Controls Overview