ASP.NET Data Annotation: How to validate a List of string?

Question

Data annotation to validate an inbound model in MVC:

public class ValidNumber
{
    [RegularExpression(@"^\d+$", ErrorMessage = "*")]
    public string number { get; set; }
}

Would I need to create my own class to validate a List<string> or can I do something like this? What code could I write in C# to add a Regex validator for a list of string?

public class ValidNumberList
{
    [RegularExpression(@"^\d+$", ErrorMessage = "*")]
    public List<string> numbers { get; set; }
}

you can inherit from ValidationAttribute Class and implement your own IsValid Method — Kris Ivanov
– Kris Ivanov, Commented Jan 31, 2011 at 22:54

Community · Accepted Answer · 2017-05-23 11:57:59Z

3

here is explained how to create custom attribute and implement what you need Custom Validation Attribute MVC2

edited May 23, 2017 at 11:57

CommunityBot

11 silver badge

answered Jan 31, 2011 at 22:55

Kris Ivanov

10.6k2 gold badges26 silver badges36 bronze badges

Sign up to request clarification or add additional context in comments.

Collectives™ on Stack Overflow

ASP.NET Data Annotation: How to validate a List of string?

1 Answer 1

Comments

Your Answer

Linked

Hot Network Questions

Collectives™ on Stack Overflow

1 Answer 1

Comments

Your Answer

Sign up or log in

Post as a guest

Linked

Related