Integrating ng-bootstrap in to ASP.NET Core JavaScript Services (Angular) project
You Can Add Bootstrap 4 to Angular project
Install bootstrap Alpha release using NPM:
npm install --save bootstrap@4.0.0-alpha.6//We chose a specific version to ensure future releases doesn’t break the sample. Optionally, run the following command to install the latest pre-release package.npm install –save bootstrap@next//Once the package is downloaded, add Bootstrap references in .angular-cli.json.//Modify styles configuration to add Bootstrap CSSstyles": [ "../node_modules/bootstrap/dist/css/bootstrap.min.css", "styles.css"],//Modify scripts configuration to add jQuery, Bootstrap and Tether JS files."scripts": [ "../node_modules/jquery/dist/jquery.min.js", "../node_modules/tether/dist/js/tether.min.js", "../node_modules/bootstrap/dist/js/bootstrap.min.js"],