How can add Phone Number Charecter Validation asp.net mvc web

Question

Guys I have question

How can Add Phone Number Charecter Validation

For example.. User writing 8 charecter but ı want minimum 10 charecter and maximum 20 charekter how can add ?

Model

index.cshtml

Answer 1

If you are interested in extending the JavaScript validation, then maybe do it like this:

if( tel1.length < 10 || tel1.length > 20 )
{
   . . . show the error . . .
}

Also check the HTML documentation for modern elements like <input type="tel"...>.

Answer 2

Hello.

On the field Tel1 for exemple add some annondation like this

[StringLength(20, MinimumLength=10)]
public string Tel1 (get; set;)

Answer 3

solution true