System.Web.UI and System.Web.Scripts not available in .net core?

[karelz]

From @synckarthik on June 15, 2017 6:44

In my project i have used System.Web.UI and System.Web.Scripts classes. But when i upgrade to .net core it shows error .Please refer the image.

How to resolve this? Or is any alternative packages for this ?

Copied from original issue: dotnet/core#694

[davidfowl]

WebForms is not being ported to .NET Core.