ES-975464 - Addressed the concern

Author: SreemonPremkumarM

README.md

@@ -2,9 +2,11 @@
 
 This example illustrates how to search and select the record in [WPF TreeGrid](https://www.syncfusion.com/wpf-controls/treegrid) and [UWP TreeGrid](https://www.syncfusion.com/uwp-ui-controls/treegrid) (SfTreeGrid).
 
-You can search and select a record in `TreeGrid` based on the searched text using the `TextChanged` event of `TextBox`.
+## For WPF:
 
-``` c#
+You can search and select a record in TreeGrid based on the searched text using the TextChanged event of TextBox.
+
+``` csharp
 private void TextBox_TextChanged(object sender, System.Windows.Controls.TextChangedEventArgs e)
 {
     var textBox = sender as TextBox;
@@ -38,3 +40,40 @@ private void TextBox_TextChanged(object sender, System.Windows.Controls.TextChan
     }
 }
 ```
+
+## For UWP:
+
+You can search and select a record in TreeGrid based on the searched text using the TextChanged event of TextBox.
+
+``` csharp
+private void Textbox_TextChanged(object sender, TextChangedEventArgs e)
+{
+    var textBox = sender as TextBox;
+            
+    if (textBox.Text == "")
+        treeGrid.SelectedItems.Clear();
+
+    for (int i = 0; i < treeGrid.View.Nodes.Count; i++)
+    {
+        if (Provider == null)
+            Provider = treeGrid.View.GetPropertyAccessProvider();
+
+        if (treeGrid.View.Nodes[i].HasChildNodes && treeGrid.View.Nodes[i].ChildNodes.Count == 0)
+        {
+            treeGrid.ExpandNode(treeGrid.View.Nodes[i]);
+            treeGrid.CollapseNode(treeGrid.View.Nodes[i]);
+        }
+        else if (treeGrid.View.Nodes[i].HasChildNodes)
+        {
+            dataRow = (treeGrid.View.Nodes[i].Item as PersonInfo);
+            FindMatchText(dataRow);
+            GetChildNodes(treeGrid.View.Nodes[i]);
+        }
+        else
+        {
+            dataRow = (treeGrid.View.Nodes[i].Item as PersonInfo);
+            FindMatchText(dataRow);
+        }
+    }
+}
+```