Annotation provides instant user input checking facility at client side and provides to asp developer, a wide range of validator attributes.Data Annotation makes the validating process easy and quick.Note The feedback system for this content will be changing soon. If content within a comment thread is important to you, please save a copy.
To see this, let’s take a look at the Email Address property above.
The HTML Form element provides the primary mechanism web apps use to post back data to the server.
Most of this document describes Tag Helpers and how they can help you productively create robust HTML forms.
Adding logic to the server-side Validate() method is pretty straightforward, and for this post I’m going to focus on Get Client Validation Rules().
Adding client validation is now incredibly easy because jquery.validate is very powerful and already comes with a ton of validators (including date and regular expressions for our email example).