[Solved] Bootstrap Validator inside modal popup not work in ASP.Net MVC

Hi ramco1917,

Put the button inside the form.

HTML

<div class="modal fade" id="controlloMail" data-backdrop="true">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header">
                <h4>Verifica Recapiti</h4>
            </div>
           <div class="modal-body">Al fine di permettere la buona diffusione di informazioni relative alle iscrizioni, ti chiediamo di verificare ed eventualmente correggere i dati di contatto in nostro possesso relativi all'utente principale di questa societ&agrave;.<br>Se sono stati inseriti utenti secondari, loro stessi avranno la possibilit&agrave; di verificare e correggere i loro dati.<br><br>
                <form id="contact-form">
                    <div class="form-group">
                            <label class="label label-info" for="mail1">Email Primaria</label>
                            <input type="email" name="mail" id="mail1" class="form-control" value=""/>
                        </div>
                        <div class="form-group">
                            <label class="label label-info" for="mail2">Email Secondaria (facoltativo)</label>
                            <input type="email" name="mail" id="mail2" class="form-control" value=""/>
                        </div>
                        <div class="form-group">
                            <label class="label label-info" for="cell">Cellulare</label>
                            <input type="text" data-bv-integer="true" name="cell" id="cell" class="form-control" value="" data-rule-required="true"/>
                        </div>
                        <div class="form-group">
                            <label class="label label-info" for="nome">Titolare Cellulare</label>
                            <div class="row">
                              <div class="col-xs-6">
                                  <input type="text" class="form-control" id="nome" placeholder="Nome" name="nome" value=""/>
                              </div>
                              <div class="col-xs-6">
                                  <input type="text" class="form-control" id="cognome" placeholder="Cognome" name="cognome" value=""/>
                              </div>
                            </div>
                    </div>
                    <input type="hidden" name="soc">
                </div>
                <div class="modal-footer">
                    <input type="submit" class="btn btn-success" value="submit" id="aggiornaContatti" name="aggiornaContatti"/>
                </div>
            </form>
        </div>
    </div>
</div>

Script

$(document).ready(function () {
    $("#cell").keypress(function (e) {
        if (e.which != 8 && e.which != 0 && (e.which < 48 || e.which > 57)) {
            return false;
        }
    });


    $("#gestioneRecapiti").click(function () {
        $('#controlloMail').modal({
            backdrop: 'static',
            keyboard: false
        });
    });

    $('#controlloMail').modal({
        backdrop: 'static',
        keyboard: false
    });


    $('#contact-form').bootstrapValidator({
        excluded: [':disabled'],
        feedbackIcons: {
            valid: 'glyphicon glyphicon-ok',
            invalid: 'glyphicon glyphicon-remove',
            validating: 'glyphicon glyphicon-refresh'
        },
        fields: {
            mail: {
                validators: {
                    notEmpty: {
                        message: 'Required'
                    },
                    emailAddress: {
                        message: 'Invalid Email'
                    }
                }
            },
            cell: {
                validators: {
                    notEmpty: {
                        message: 'Required'
                    }
                }
            },
            name: {
                validators: {
                    notEmpty: {
                        message: 'Required'
                    },
                    stringLength: {
                        min: 3,
                        max: 30,
                        message: 'The name must contain at least 6 characters.'
                    },
                    regexp: {
                        regexp: /^[a-zA-Z]+$/,
                        message: 'The name must consist of letters only.'
                    }
                }
            },
            surname: {
                validators: {
                    notEmpty: {
                        message: 'Required'
                    },
                    stringLength: {
                        min: 3,
                        max: 30,
                        message: 'The sur name must contain at least 6 characters.'
                    },
                    regexp: {
                        regexp: /^[a-zA-Z]+$/,
                        message: 'The sur name must only consist of letters.'
                    }
                }
            }
        },
        submitButtons: '#aggiornaContatti'
    }).on('success.form.bv', function (e) {
        $.ajax({
            type: "POST",
            url: "Home/Index",
            data: $('#contact-form').serialize(),
            success: function (msg) {
                $("#controlloMail").modal('hide');
            },
            error: function () {
                alert("Errore");
            }
        });
    });
});

Reference: http://jsfiddle.net/vengateshrkv/o49gfq4q/