This article will also explains how to perform validations for the Bootstrap User Login Form … View Snippet. I hope so! Here Mudassar Ahmed Khan has explained with an example, how to build a responsive (Mobile Friendly) User Login Form using Bootstrap in ASP.Net using C# and VB.Net. Bootstrap forms in Material Design are simple … Used as a login, subscribe or contact form, all of them can be easily customized. After that, create an HTML structure for your login form as follows: