Merge pull request #1239 from telerik/didi/tdg-expand

describe auto expand groups

Author: didiyordanova

controls/treedatagrid/methods.md

@@ -1,15 +1,21 @@
 ---
-title: Methods
-page_title: .NET MAUI TreeDataGrid Documentation - Methods
+title: Expand and Collapse Items
+page_title: .NET MAUI TreeDataGrid Documentation - Expand Collapse Items
 description: Learn about the Telerik UI for .NET MAUI TreeDataGrid methods and how to expand or collapse a parent node programatically.
 position: 20
 tags: methods
 slug: treedatagrid-methods
 ---
 
-# .NET MAUI TreeDataGrid Methods
+# Expand and Collapse Items in .NET MAUI TreeDataGrid
 
-The [Telerik UI for .NET MAUI TreeDataGrid]({%slug datagrid-overview%}) exposes the following methods to expand and collapse the children of an item:
+The [Telerik UI for .NET MAUI TreeDataGrid]({%slug treedatagrid-overview%}) lets you expand and collapse item either through the UI-by tapping on the expand/collapse icon or programmatically.
+
+The TreeDataGrid allows you to collapse all items by setting the `AutoExpandGroups` (`bool`) property. The default value is `false`, which means, all items are expanded.
+
+## Expand and Collapse Specific Items
+
+The TreeDataGrid exposes the following methods to expand and collapse the children of an item:
 
 * `Expand`(`object item`)—Expands the children of the item.
 * `Collapse`(`object item`)—Collapses the children of the item.