<p class="lead">Kategorie</p>
                <div class="list-group">
                    @helper showTree(Shop.Models.Category category)
                    {

                    @Html.ActionLink((string)category.Name, "Category", new { id = (int)category.CategoryID }, new { @class = "list-group-item" })
                        foreach (var cat in category.ChildrenCategories)
                        {
                                @showTree(cat);
                        }
                    }

                    @foreach (var cat in Model.Categories)
                    {
                        if (cat.BaseCategoryID == null)
                        {
                            @showTree(cat);
                        }

                    }

                </div>