When using Visual Studio, you can add the DevExtreme libraries to your application using the DevExtreme Web NuGet package. Run the following command in the Package Manager Console to install this package:
Install-Package DevExtreme.Web -Version 19.1.5
You can also use the Manage NuGet Packages dialog to install or update the package.
After installing the NuGet package, you need to link the DevExtreme stylesheets and scripts. Open your index page and add the links to the
<head> tag as shown in the Local Scripts article. Note that the NuGet package contains only dx.viz.js, dx.web.js, and dx.viz-web.js.
If you have technical questions, please create a support ticket in the DevExpress Support Center.
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