ASP.NET is actually the base engine for ASP.NET Webforms and ASP.NET MVC.
If you are used to MVC, you really need to use ASP.NET MVC, where Partial Views are first class citizens.
Use ASP.NET MVC
To use it, you simply create a new MVC project, right-click on the shared folder in the View folder and select Add New View. From there you can select Partial View.
Webforms
-, UserControls. webforms MVC, UserControls .
, - Sharepoint... .