The codes in this guide are derived from the same Visual Studio solution used for the companion guide, available on Git Hub.
JQuery Validation plugin is very easy to use and has the advantage of being highly customizable both in functionality, such as validation rules.
The purpose of this tutorial is a few lines of Java Script specify the form and apply the validation plugin.
Ajax functionality depends on the j Query library, but not the Bootstrap library.
If the web project does not implement the Bootstrap CSS framework the Bootstrap library is unnecessary.