Updated the README.md file

README.md

@@ -1 +1,48 @@
 **[View document in Syncfusion Xamarin Knowledge base](https://www.syncfusion.com/kb/12134/how-to-remove-expander-sfexpander-from-itemtemplate-of-xamarin-forms-sflistview)**
+
+## Sample
+
+```xaml
+ <sflistView:SfListView x:Name="listView" ItemsSource="{Binding InboxInfo}" AutoFitMode="DynamicHeight" ItemSpacing="1"       BackgroundColor="LightGray">
+    <sflistView:SfListView.ItemTemplate>
+        <DataTemplate>
+            <expander:SfExpander HeaderIconPosition="Start" HeaderBackgroundColor="White" IsExpanded="{Binding IsExpanded}">
+                <expander:SfExpander.Header>
+                    <code>
+                    . . .
+                    . . .
+                    <code>
+                </expander:SfExpander.Header>
+                <expander:SfExpander.Content>
+                    <Grid HeightRequest="100" >
+                        <Button x:Name="save" Text="Mark as read" Command="{Binding Path=BindingContext.ReadCommand, Source={x:Reference listView}}" CommandParameter="{Binding .}"/>
+                        <Button x:Name="delete" Text="Delete" Command="{Binding Path=BindingContext.DeleteCommand, Source={x:Reference listView}}" CommandParameter="{Binding .}"/>
+                    </Grid>
+                </expander:SfExpander.Content>
+            </expander:SfExpander>
+        </DataTemplate>
+    </sflistView:SfListView.ItemTemplate>
+</sflistView:SfListView>
+
+ViewModel.cs:
+
+ReadCommand = new Command<object>(OnReadClicked);
+DeleteCommand = new Command<object>(OnDeleteClicked);
+
+public Command<object> ReadCommand { get; set; }
+public Command<object> DeleteCommand { get; set; }
+
+
+private void OnDeleteClicked(object obj)
+{
+    var expanderItem = obj as InboxInfo;
+    this.InboxInfo.Remove(expanderItem);
+}
+
+private void OnReadClicked(object obj)
+{
+    var expanderItem = obj as InboxInfo;
+    expanderItem.FontStyle = FontAttributes.None;
+    expanderItem.IsExpanded = false;
+}
+```