FromUri in ASP.NET CORE 2.0
TLDR : You can use [FromQuery] and [FromRoute] in place of [FromUri]
As Mike_G stated in his answer you can use [FromQuery] attribute in place of [FromUri]. But you might also need to use [FromRoute] in certain cases as pointed by Muhammad Umar in comments.
FromRoute
This attribute is used when the parameter is passed as the part of the URL string.
Ex: api/countries/1
FromQuery
As the name implies, FromQuery parameters has to be passed as query strings.
Ex: api/countries?id=1
References:
- FromRoute - Microsoft Docs
- FromQuery - Microsoft Docs
- FromUri - Microsoft Docs
I think you might be looking for [FromQuery]:
https://docs.microsoft.com/en-us/aspnet/core/mvc/models/model-binding#customize-model-binding-behavior-with-attributes
[FromUri] is used in Asp.Net WebApi 2, not asp.net core