Why bootstrap modal opens but remains dimmed?

Question

ASP.NET

Good day!
I am writing a website for myself on ASP.NET MVC. I ran into a problem: the bootstrap modal window is displayed, but does not become active and does not allow anything to be done. What could be the problem?

Answer 1

z-index check

Answer 2

<div class="form-group" id="categoryBlog">
    @Html.Label("Категория")
    <div>
        @MyHelpers.CategoryList("")
    </div>
    <div>
        @*управление категориями, модальное окно*@
        <a class="btn btn-primary" data-toggle="modal" data-target="#ModalCategory">
            Управление категориями
        </a>
    </div>

    <!-- Modal -->
    <div class="modal fade" id="ModalCategory" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
        <div class="modal-dialog">
            <div class="modal-content">
                <div class="modal-header">
                    <a class="close" data-dismiss="modal"><span aria-hidden="true">&times;</span><span class="sr-only">Закрыть</span></a>
                    <h4 class="modal-title" id="myModalLabel">Управление категориями</h4>
                </div>
                <div class="modal-body">
                    ...
                </div>
                <div class="modal-footer">
                    <a class="btn btn-default" data-dismiss="modal">Закрыть</a>
                    @*<button type="button" class="btn btn-primary">Save changes</button>*@
                </div>
            </div>
        </div>
    </div> @*endModal*@
</div>