12/22/2023 0 Comments Javascript treeview control![]() You can use node templates specifically for parent nodes, child nodes, or both, and include images and any custom element structure. The JavaScript TreeView control can be customized through its node template support, which allows defining a custom structure for tree nodes. Render the tree view nodes in the ascending or descending order based on the label text for improved readability. When editing tree view nodes, the tree view data source will also be updated with the modified data. Editable nodesĮdit the tree nodes’ label text on the client side by double-clicking it. When the drag-and-drop feature is enabled, all the selected nodes can be dragged at the same time. The JavaScript TreeView control allows users to select multiple nodes. Learn more about JavaScript TreeView drag-and-drop and its customization Multiple node selection To an external container - Drop tree nodes to any external container or component by extending the tree view node drop action.Outside the tree - Extending the drop behavior allows users to drop tree nodes from one tree view to another tree view.Inside the tree - Tree nodes can be dragged and dropped from one parent node to another within the same level or at different levels.In this mode, the parent node will go into the indeterminate state when the child nodes are partially checked. The JavaScript TreeView Checkbox has a tri-state mode also, which is applicable only for parent nodes. The JavaScript TreeView control provides built-in support for checkboxes, allowing users to select more than one item. This is helpful in making a typical directory tree and file system. Tree node with iconsĭisplay nodes with labels and icons to present the content in a more readable format. Also, child nodes in the control can be loaded from any web services or inserted dynamically. The JavaScript TreeView control has a load-on-demand option that allows you to load huge amounts of data dynamically, which improves the control’s performance. The treeview data can be local or remote data and fetched using different kinds of adaptors like OData, OData V4, URL, JSON, and Web API. You can bind data to the JavaScript TreeView control from any valid data source, such as XML, JSON, and JSONP. It provides great performance with its advanced features like load on demand, checkbox support, multiple selection, tree navigation, drag and drop, tree node editing, and template support. The JavaScript TreeView control allows you to represent hierarchical data in a tree structure.
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