See Online Demos: https://demos.devexpress.com/Bootstrap/GettingStarted.aspx
The client-side implementation of DevExpress Bootstrap Controls is built on top of the Bootstrap framework and thus, depends on static resources provided by Bootstrap. To start using DevExpress Bootstrap controls on pages of your web application, you need to resolve this dependency either by creating your project using the readily configured project template or by manually installing the required files to an existing project. Documents in this section cover both approaches:
Note that Bootstrap Charts additionally require the DevExtreme library and its dependencies. To learn more, refer to the Charts: Getting Started document.