ASP MVC jquery validation in bootsrap tabs causes an undesired postback

Question

I have a form with 3 bootstrap tabs in it. Client Validation works correctly when the tab where the validation error occurs is open an

Answer 1

Since two of you tabs are hidden when you submit the form, you need to configure the $.validator to validate hidden elements (which are not validated by default).

You current use of $.validator.setDefaults({ ignore: "" }); is not correct for jquery version 2.2.0 (I believe that usage was depreciated in version 1.9) and it needs to be

$.validator.setDefaults({ 
    ignore: [] 
});

Note: do not add the above inside $(document).ready()