The ASP.NET Core TreeView control allows you to represent hierarchical data in a tree structure. It has great performance combined with advanced features like load on demand, checkbox support, multiple selection, tree navigation, drag and drop, tree node editing, and template support.
You can bind data to the TreeView control from any valid data source, such as XML, JSON, and JSONP. The tree data can be local or in any remote service and fetched using different kinds of adaptors like OData, OData V4, URL, JSON, and Web API.
The ASP.NET Core TreeView control has a load-on-demand option that allows you to load huge amounts of data by dynamically loading the data on demand, which improves the control’s performance.
Also, child nodes in the control can be loaded from any web services or inserted dynamically.
Display nodes with labels and icons to present content in a more readable format. This is helpful in making a typical directory tree and file system.
The ASP.NET Core TreeView control provides built-in support for checkboxes, allowing users to select more than one item.
The tree view checkbox has a tri-state mode also, which is applicable only for parent nodes. In this mode, the parent node will go into the indeterminate state when the child nodes are partially checked.
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 ASP.NET Core TreeView control 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 tree view nodes, the tree view data source will also be updated by the modified data.
Render the tree view nodes in ascending or descending order based on the label text to provide users improved readability.
The TreeView control can be customized through its node template support, which allows defining a custom structure for tree nodes. You can use node templates specifically for parent nodes, child nodes, or both, and can include images and any custom element structure.
Easily customize the expand and collapse icons based on your application requirements.
Supports right-to-left (RTL) direction for users working in right-to-left languages like Hebrew, Arabic, or Persian.
The TreeView control for ASP.NET Core has a rich set of developer-friendly APIs to control all UI elements and behaviors, allowing you to provide the best experience to your end users.
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