fedhwa.blogg.se - Visual studio web form examples

Inside the tree - Tree nodes can be dragged and dropped from one parent node to another within the same level or different levels.

In this mode, the parent node will go into the indeterminate state when the child nodes are partially checked.

The tree view checkbox has a tri-state mode also, which is applicable only for parent nodes. The ASP.NET Web Forms 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 content in a more readable format. Also, child nodes in the control can be loaded from any web services or inserted dynamically.

The ASP.NET Web Forms 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. 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. You can bind data to the TreeView control from any valid data source, such as XML, JSON, and JSONP. 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. The ASP.NET Web Forms TreeView control allows you to represent hierarchical data in a tree structure.