javascript - MVC client side validation for PhoneAttribute - Stack Overflow

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I have a model:

public class MyModel{
    [Phone]
    public string MyTel { get; set; }
}

in the view:

@model MyModel
@Html.EditorFor(x => x.MyTel)

the HTML generated:

<input type="tel" value="" name="MyTel" id="MyTel" data-val-phone="The MyTel field is not a valid phone number." data-val="true" class="text-box single-line"/>

the client side validation for the MyTel field does not working. How to make this work?

I have a model:

public class MyModel{
    [Phone]
    public string MyTel { get; set; }
}

in the view:

@model MyModel
@Html.EditorFor(x => x.MyTel)

the HTML generated:

<input type="tel" value="" name="MyTel" id="MyTel" data-val-phone="The MyTel field is not a valid phone number." data-val="true" class="text-box single-line"/>

the client side validation for the MyTel field does not working. How to make this work?

• javascript
• asp-mvc
• forms
• data-annotations
• unobtrusive-validation

Share Follow edited Apr 25, 2014 at 21:14 Sparky 98.7k2626 gold badges202202 silver badges290290 bronze badges asked Apr 25, 2014 at 20:31 CharlieCharlie 1,2931515 silver badges1818 bronze badges

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2 Answers 2

Sorted by: Reset to default 9

Guided by article Adding Client-Side Validation Support for PhoneAttribute or Fighting the Lookbehind in JavaScript

function initPhoneValidator() {
    $.validator.addMethod("phone", function (value, element) {
        if (this.optional(element)) {
            return true;
        }
        var reverseValue = $.trim(value).split("").reverse().join("");
        var reverseRegEx = new RegExp("^(\\d+\\s?(x|\\.txe?)\\s?)?((\\)(\\d+[\\s\\-\\.]?)?\\d+\\(|\\d+)[\\s\\-\\.]?)*(\\)([\\s\\-\\.]?\\d+)?\\d+\\+?\\((?!\\+.*)|\\d+)(\\s?\\+)?$", "i");
        var match = reverseRegEx.exec(reverseValue);
        return (match && (match.index === 0) && (match[0].length === value.length));
    });
    $.validator.unobtrusive.adapters.addBool("phone");
}

The easiest solution I applied in my project for PhoneAttribute :

Step 1: add these annotations

public class MyModel{
    [Required(ErrorMessage = "You must provide a mobile number")]
    [Phone]
    [MaxLength(13)] //custom maximum length enabled
    [MinLength(10)]//custom minimum length enabled
    [RegularExpression("^[0-9]*$", ErrorMessage = "mobile number must be 
    numeric")]
    public string MyTel { get; set; }
} 

Step 2: add these two libraries

<script src="//ajax.aspnetcdn./ajax/jquery.validate/1.13.1/jquery.validate.js"></script>
<script src="//ajax.aspnetcdn./ajax/mvc/5.2.3/jquery.validate.unobtrusive.js"></script>

Step 3: In Web.config under appSettings add

 <add key="ClientValidationEnabled" value="true"/>
 <add key="UnobtrusiveJavaScriptEnabled" value="true"/>

NB: Don't mix up mvc html helper and raw html it may disable client-side validation.

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