input type="date" can't show value when my modal form start

hello,

when my view start alla data are show correctly while when open my modal form with button i grid, only releaseDate field not show.

Why ? Where is my error ?

thanks

stefano

@model IEnumerable<Movie>

@(Html
    .Grid(Model)
    .Build(columns =>
    {
        columns.Add(model => model.Title).Titled("Title");
        columns.Add(model => model.ReleaseDate).Titled("ReleaseDate").Formatted("{0:d}");
        columns.Add(model => model.Genre).Titled("Genre");
        columns.Add(model => model.Price).Titled("Price");
        columns.Add(model => $"<button data-id=\"{model.Id}\" class=\"btn btn-primary\" data-toggle=\"modal\" data-target=\"#exampleModal\" " +$"data-title=\"{model.Title}\" data-releaseDate=\"{model.ReleaseDate}\" data-genre=\"{model.Genre}\" data-price=\"{model.Price}\">Edit</button>").Encoded(false);
    })
)<div class="modal fade" id="exampleModal" tabindex="-1" role="dialog" aria-labelledby="exampleModalLabel" aria-hidden="true"><div class="modal-dialog" role="document"><div class="modal-content"><div class="modal-header"><h5 class="modal-title" id="exampleModalLabel">Edit</h5><button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button></div><form method="post"><div class="modal-body"><div class="form-group"><label for="recipient-title" class="col-form-label">Title:</label><input type="text" class="form-control" id="recipient-title" name="title"><input type="hidden" id="recipient-id" name="id" /></div><div class="form-group"><label for="recipient-releaseDate" class="col-form-label">ReleaseDate:</label><input type="date" class="form-control" id="recipient-releaseDate" name="releaseDate" /></div><div class="form-group"><label for="recipient-genre" class="col-form-label">Genre:</label><input type="text" class="form-control" id="recipient-genre" name="genre" /></div><div class="form-group"><label for="recipient-price" class="col-form-label">Price:</label><input type="text" class="form-control" id="recipient-price" name="price" /></div></div><div class="modal-footer"><button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button><input type="submit" class="btn btn-primary" value="Save" /></div></form></div></div></div>

@section scripts{
    <script>$('#exampleModal').on('show.bs.modal', function (event) {
            var button = $(event.relatedTarget);
            var id = button.data('id');
            var title = button.data('title');
            var releaseDate = button.data('releaseDate');
            var genre = button.data('genre');
            var price = button.data('price');
            var modal = $(this);
            modal.find('.modal-body input[name="id"]').val(id);
            modal.find('.modal-body input[name="title"]').val(title);
            modal.find('.modal-body input[name="releaseDate"]').val(releaseDate);
            modal.find('.modal-body input[name="genre"]').val(genre);
            modal.find('.modal-body input[name="price"]').val(price);
        })</script>
}

Stefano