(#50) Model validations in asp.net core | Asp.Net Core tutorial

Asp.net core tutorial: In this video, we will learn how to add model validations in asp.net core. We will implement server-side validations in asp.net core MVC applications using the System.ComponentModel.DataAnnotations namespace. We will learn what are validations and how to implement them on asp.net core form. We will also learn how to display the error message on the form.

Timestamp:
00:24 Agenda of this video
00:57 What is validation
02:42 What are the types of validations
05:00 Server-side validations in asp.net core
06:08 All validation attributes available in asp.net core
07:06 How to check model validation on a controller
07:34 What is the need of validations
09:12 What is the namespace for model validations
09:25 How to use Required attribute
10:00 ModelState.IsValid
12:33 Display error message on asp.net core form
13:51 Change color of error message
15:00 Custom error message in model validation
16:55 How to use StringLength validation attribute

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