Updated the README.md file

README.md

@@ -1 +1,68 @@
 **[View document in Syncfusion .NET MAUI Knowledge Base](https://www.syncfusion.com/kb/13061/how-to-show-empty-message-when-listview-sflistview-has-no-items-in-net-maui)**
+
+## Sample
+
+```xaml
+<StackLayout>
+    <Button Margin="50,10,50,10" Text="Change Item Source" HorizontalOptions="Center" VerticalOptions="Center" Command="{Binding ChangeItemsSource}"/>
+
+    <Label Margin="50,300,50,100" FontSize="Large"  IsVisible="{Binding IsVisible}" Text="NO ITEMS :(" HorizontalOptions="Center" VerticalOptions="End"/>
+
+    <sync:SfListView x:Name="listView" ItemsSource="{Binding ContactsInfo}"  ItemSize="70" IsScrollingEnabled="True" SelectionMode="SingleDeselect"
+                        ItemSpacing="6,3,6,3"
+                        IsVisible="{Binding IsVisible,Converter={StaticResource visibilityConverter}}">
+        <sync:SfListView.ItemTemplate>
+            <DataTemplate>
+                <code>
+                . . .
+                . . .
+                <code>
+            </DataTemplate>
+        </sync:SfListView.ItemTemplate>
+    </sync:SfListView>
+</StackLayout>
+
+C#:
+
+public class VisibilityConverter : IValueConverter
+{
+    public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+    {
+        return !(bool)value;
+    }
+
+    public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+    {
+        return value;
+    }
+}
+
+ViewModel.cs:
+
+private Command<object> changeItemsSource;
+ChangeItemsSource = new Command<object>(OnChangeItemsSource);
+
+public bool IsVisible
+{
+    get { return isVisible; }
+    set
+    {
+        this.isVisible = value;
+        this.RaisePropertyChanged("IsVisible");
+    }
+}
+
+private void OnChangeItemsSource(object obj)
+{
+    if (IsVisible)
+    {
+        IsVisible = false;
+        GenerateSource();
+    }
+    else
+    {
+        ContactsInfo.Clear();
+        IsVisible = true;
+    }
+}
+```