Sets or gets a boolean value that determines if Ajax callbacks are enabled for binding to hierarchical data sources. This property is true by default. If the DataTree is not bound to a DataSource control, this property has no effect and Ajax callbacks are not used for loading nodes into the tree.
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
