ASP.NET Core 2 Fundamentals

Activity: Adding a New Validation Rule for Designation by Extending ValidationAttribute

Aim

Add a new validation rule for designation so that it must consist of at least two words. But this time do not use regex on server side. Instead, extend ValidationAttribute.

Steps for completion

1. Create the validator attribute, as follows:

Go to https://goo.gl/m63jKP to access the code.

public class TwoWordsValidationAttribute : ValidationAttribute, IClientModelValidator{  public void AddValidation(ClientModelValidationContext context)......}

2. Note that by using client model validator we also interact with the jQuery unobtrusive validation framework. Then put the following code in the Layout file at the bottom of the page:

Go to https://goo.gl/Px3d12 ...