ES-975464 - Resolve Issues ReadMe length issue in this repository

README.md

@@ -1,3 +1,22 @@
-# how-to-bind-view-model-ItemsSource-to-combo-box-inside-template-in-wpf-and-uwp-treegrid-in-mvvm
+# How to Bind ViewModel ItemsSource to ComboBox inside Template in WPF / UWP TreeGrid in MVVM?
 
-This example illustrates to bind the ComBox ItemsSource that is loaded inside the template column.
+This example illustrates to bind the ComboBox ItemsSource that is loaded inside the template column in [WPF TreeGrid](https://www.syncfusion.com/wpf-controls/treegrid) and [UWP TreeGrid](https://www.syncfusion.com/uwp-ui-controls/treegrid) (SfTreeGrid).
+
+You can load a ComboBox inside [TreeGridTemplateColumn](https://help.syncfusion.com/cr/wpf/Syncfusion.UI.Xaml.TreeGrid.TreeGridTemplateColumn.html) and bind the ItemsSource from ViewModel to ComboBox using ElementName binding.
+
+```xml
+<syncfusion:TreeGridTemplateColumn MappingName="Title" syncfusion:FocusManagerHelper.WantsKeyInput="True">
+        <syncfusion:TreeGridTemplateColumn.CellTemplate>
+            <DataTemplate>
+                <TextBlock Text="{Binding Title}"/>
+            </DataTemplate>
+        </syncfusion:TreeGridTemplateColumn.CellTemplate>
+        <syncfusion:TreeGridTemplateColumn.EditTemplate>
+            <DataTemplate>
+                <ComboBox ItemsSource="{Binding Path=DataContext.TitleList, ElementName=treeGrid}" />
+            </DataTemplate>
+        </syncfusion:TreeGridTemplateColumn.EditTemplate>
+ </syncfusion:TreeGridTemplateColumn>
+```
+
+![Loading ItemsSource to combobox inside Template](ComboBoxInsideTemplate.png)