MVC Dataannotations - Only validate on Form Submit

Question

I need to validate the form only when I click the submit button and present the Error Messages based on the DataAnnotation's properties.

ViewModel:

 [Required(ErrorMessage = "Field Required")]
 [RegularExpression(@"^.{5,}$", ErrorMessage = "Message is to short")]
 public string Message { get; set; }

HTML:

 @Html.TextAreaFor(m => m.Message)
 @Html.ValidationMessageFor(m => m.Message)

What happens is that when I submit the form with an empty Message, I get the "Field Required" message, but when I start writing in the field, the error message change to "Message is to short" but I only want this when I press the submit button again.

Is this what you are looking for? stackoverflow.com/questions/8022695/… — Diego
– Diego, Commented Oct 15, 2015 at 18:02

Diego · Accepted Answer · 2015-10-15 18:04:20Z

1

// Disable keyup validation on key up
var validator = $("#yourFormId").data("validator");
if (validator)
    validator.settings.onkeyup = false;

answered Oct 15, 2015 at 18:04

Diego

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2 Comments

Patrick Over a year ago

Hi thanks! It works great! just one more question, do you think it's possible to clear the error message from the field just when, after showing the error on submit, I click in the field the first time?

Diego Over a year ago

Not sure how to clear specific field's errors, but you should work on it in the focus (or click) event.

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