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The Blazor TreeView is a graphical user interface component that allows you to represent hierarchical data in a tree-like structure. This component has advanced features like load on demand, multiple selection, tree navigation, drag and drop, tree node editing, and check box and template support that improve the performance greatly.
Blazor TreeView loads data either from local data sources or remote data services using the DataSource property. This property supports the list of object arrays and DataManager. It also supports different kinds of data services such as OData, OData V4, Web API, URL, and JSON with the help of DataManager adaptors.
The load-on-demand feature loads huge amounts of data dynamically, which improves the component’s performance. Child nodes in the component can be loaded from any web service or inserted dynamically.
Display nodes with labels and icons or images to present content in a more readable format. This is helpful in making a typical directory tree and file system.
Built-in support for check boxes allows users to select more than one item. The Blazor TreeView check boxes also have a tri-state mode that is applicable only for parent nodes. In this mode, the parent node will go into an indeterminate state when the child nodes are partially checked.
In Blazor TreeView, Nodes can be dragged and dropped at all levels of the same TreeView.
Tree nodes can be dragged and dropped from one parent node to another within the same level or different levels.
Extending the drop behavior allows users to drop tree nodes from one tree view to another tree view.
Drop tree nodes to any external container or component by extending the tree view node drop action.
The Blazor TreeView allows users to select multiple nodes. When the drag-and-drop feature is enabled, all the selected nodes can be dragged at the same time.
Edit the tree nodes’ label text on the client side by double-clicking it. While editing Blazor tree view nodes, the tree view data source will also be updated by the modified data.
Render the Blazor TreeView nodes in ascending or descending order based on the label text to provide users improved readability.
Customize the Blazor TreeView using the node template support to define a custom structure for tree nodes. You can use node templates for parent nodes, child nodes, or both, and include images and custom elements.
Easily customize the Blazor TreeView expand and collapse icons based on your application requirements.
Blazor TreeView supports right-to-left (RTL) direction rendering for users working in right-to-left languages like Hebrew, Arabic, or Persian.
Several built-in SASS-based themes are available such as Tailwind CSS, Bootstrap 5, Bootstrap 4, Bootstrap, Material, Fabric, and High Contrast. Simplify theme customization either by overriding the existing SASS styling or creating custom themes by using the Theme Studio application.
The Blazor TreeView component has a rich set of developer-friendly APIs to customize all UI elements and behaviors, allowing you to provide the best experience to your end users.
Easily get started with the Blazor TreeView using a few simple lines of C# code example as demonstrated below, Also explore our Blazor TreeView Example that shows you how to render the treeview component.
@using Syncfusion.Blazor.Navigations
<SfTreeView TValue="MailItem">
<TreeViewFieldsSettings TValue="MailItem" Id="Id" DataSource="@MyFolder" Text="FolderName" ParentID="ParentId" HasChildren="HasSubFolders" Expanded="Expanded"></TreeViewFieldsSettings>
</SfTreeView>
@code{
public class MailItem
{
public string Id { get; set; }
public string ParentId { get; set; }
public string FolderName { get; set; }
public bool Expanded { get; set; }
public bool HasSubFolders { get; set; }
}
List<MailItem> MyFolder = new List<MailItem>();
protected override void OnInitialized()
{
base.OnInitialized();
MyFolder.Add(new MailItem
{
Id = "1",
FolderName = "Inbox",
HasSubFolders = true,
Expanded = true
});
MyFolder.Add(new MailItem
{
Id = "2",
ParentId = "1",
FolderName = "Categories",
Expanded = true,
HasSubFolders = true
});
MyFolder.Add(new MailItem
{
Id = "3",
ParentId = "2",
FolderName = "Primary"
});
MyFolder.Add(new MailItem
{
Id = "4",
ParentId = "2",
FolderName = "Social"
});
MyFolder.Add(new MailItem
{
Id = "5",
ParentId = "2",
FolderName = "Promotions"
});
}
}TreeView is also available in JavaScript, Angular, React, and Vue frameworks that are built from their own TypeScript libraries. Check out the different TreeView platforms from the links below,
We do not sell the Blazor TreeView separately. It is only available for purchase as part of the Syncfusion Blazor suite, which contains over 70 native Blazor components, including the TreeView. A single developer license for the Syncfusion Essential Studio for Blazor suite costs $995.00 USD, including one year of support and updates. On top of this, we might be able to offer additional discounts based on currently active promotions. Please contact our sales team today to see if you qualify for any additional discounts.
You can find our Blazor TreeView demo here.
No, our 70+ Blazor components, including TreeView, are not sold individually, only as a single package. However, we have competitively priced the product so it only costs a little bit more than what some other vendors charge for their tree view alone. We have also found that, in our experience, our customers usually start off using one of our products and then expand to several products quickly, so we felt it was best to offer all 70+ Blazor components for a flat fee of $995/developer. On top of this, we might be able to offer additional discounts based on currently active promotions. Please contact our sales team today to see if you qualify for any additional discounts.
No, this is a commercial product and requires a paid license. However, a free community license is also available for companies and individuals whose organizations have less than $1 million USD in annual gross revenue and five or fewer developers.
A good place to start would be our comprehensive getting started documentation.
Documentation
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