All collections of IPublishedContent are IEnumerable<IPublishedContent>. This means that all C# LINQ statements can be used to filter and query the collections.
Returns a collection of child items available in the current culture, below the current content item.
<ul>
@foreach(var item in Model.Children)
{
<li><a href="@item.Url()">@item.Name</a></li>
}
</ul>Returns a collection of child items for all cultures, below the current content item, regardless of whether they are available for the current culture.
<ul>
@foreach(var item in Model.ChildrenForAllCultures)
{
<li><a href="@item.Url()">@item.Name</a></li>
}
</ul>Returns a collection of child items available in the specified culture with a default of the current one, below the current content item.
<ul>
@foreach(var item in Model.Children("dk-dk"))
{
<li><a href="@item.Url()">@item.Name</a></li>
}
</ul>Returns all ancestors of the current page (parent page, grandparent and so on)
<ul>
@*Order items by their Level*@
@foreach(var item in Model.Ancestors().OrderBy(x => x.Level))
{
<li><a href="@item.Url()">@item.Name</a></li>
}
</ul>Returns the first ancestor of the current page
@* return the first ancestor item from the current page *@
var nodes = Model.Ancestor();
@* return the first item, of a specific type, from the current page *@
var nodes = Model.Ancestor<DocumentTypeAlias>();Returns a collection of all ancestors of the current page (parent page, grandparent and so on), and the current page itself
@* Get the top item in the content tree, this will always be the Last ancestor found *@
var websiteRoot = Model.AncestorsOrSelf().Last();Returns all descendants of the current page (children, grandchildren etc)
<ul>
@* Filter collection by content that has a template assigned *@
@foreach(var item in Model.Descendants().Where(x => x.TemplateId > 0))
{
<li><a href="@item.Url()">@item.Name</a></li>
}
</ul>Returns all descendants of the current page (children, grandchildren etc), and the current page itself
<ul>
@* Filter collection by content that has a template assigned *@
@foreach(var item in Model.DescendantsOrSelf().Where(x => x.TemplateId > 0))
{
<li><a href="@item.Url()">@item.Name</a></li>
}
</ul>Filters a collection of content by content type alias
<ul>
@* Filter collection by content type alias (you can pass in any number of aliases) *@
@foreach(var item in Model.DescendantsOrSelf().OfTypes("widget1", "widget2"))
{
<li><a href="@item.Url()">@item.Name</a></li>
}
</ul>Filtering and Ordering are done with LINQ.
Some examples:
@* Returns all items in the collection that have a template assigned and have a name starting with 'S' *@
var nodes = Model.Descendants().Where(x => x.TemplateId > 0 && x.Name.StartsWith("S"))@* Orders a collection by the property name "title" *@
var nodes = Model.Children.OrderBy(x => x.GetProperty("title"))Groups collection by content type alias
@{
var groupedItems = Model.Descendants().GroupBy(x => x.ContentType);
foreach (var group in groupedItems)
{
<h2>@group.Key.Alias</h2>
foreach(var item in group)
{
<h3>@item.Name</h3>
}
}
}Return only the number of items for a collection specified by the integer value.
@* return the first 3 items from the child collection *@
var nodes = Model.Children.Take(3);Return items from the collection after skipping the specified number of items.
@* Skip the first 3 items in the collection and return the rest *@
var nodes = Model.Children.Skip(3);You can combine Skip and Take when using for paging operations
@* using skip and take together you can perform paging operations *@
var nodes = Model.Children.Skip(10).Take(10);Returns the number of items in the collection
int numberOfChildren = Model.Children.Count();Returns a boolean True/False value determined by whether there are any items in the collection
bool hasChildren = Model.Children.Any();Some filtering and routing behaviour is dependent upon a set of special naming conventions for certain properties. See also: Routing Property Conventions
If you create a checkbox property on a document type with an alias umbracoNaviHide then the value of this property is used by the IsVisible() extension method when filtering.
IEnumerable<IPublishedContent> sectionPages = Model.Children.Where(x => x.IsVisible());Use case: When displaying a navigation menu for a section of the site, following this convention gives editors the option to 'hide' certain pages from appearing in the section navigation. (hence the unusual umbracoNaviHide property alias!)
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