Hello @Prasad !
Yes it is possible and of course you can do it !
React.js can coexist with Razor views and can be used to handle more dynamic and complex user interfaces within your ASP.NET Core application
Currently, Visual Studio includes ASP.NET Core Single Page Application (SPA) templates that support Angular and React. The templates provide a built-in Client App folder in your ASP.NET Core projects that contains the base files and folders of each framework.
You can use the method described in this article to create ASP.NET Core Single Page Applications that:
Put the client app in a separate project, outside from the ASP.NET Core project
Create the client project based on the framework CLI installed on your computer
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I hope this helps !
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Regards