diff --git a/TreeMapVisualizeHierarchicalData/TreeMapVisualizeHierarchicalData/App.xaml.cs b/TreeMapVisualizeHierarchicalData/TreeMapVisualizeHierarchicalData/App.xaml.cs
index f6d1ed4..40064cd 100644
--- a/TreeMapVisualizeHierarchicalData/TreeMapVisualizeHierarchicalData/App.xaml.cs
+++ b/TreeMapVisualizeHierarchicalData/TreeMapVisualizeHierarchicalData/App.xaml.cs
@@ -5,8 +5,11 @@ public partial class App : Application
         public App()
         {
             InitializeComponent();
+        }
 
-            MainPage = new AppShell();
+        protected override Window CreateWindow(IActivationState? activationState)
+        {
+            return new Window(new MainPage());
         }
     }
 }
diff --git a/TreeMapVisualizeHierarchicalData/TreeMapVisualizeHierarchicalData/AppShell.xaml b/TreeMapVisualizeHierarchicalData/TreeMapVisualizeHierarchicalData/AppShell.xaml
deleted file mode 100644
index f87363f..0000000
--- a/TreeMapVisualizeHierarchicalData/TreeMapVisualizeHierarchicalData/AppShell.xaml
+++ /dev/null
@@ -1,15 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" ?>
-<Shell
-    x:Class="TreeMapVisualizeHierarchicalData.AppShell"
-    xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
-    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
-    xmlns:local="clr-namespace:TreeMapVisualizeHierarchicalData"
-    Shell.FlyoutBehavior="Disabled"
-    Title="TreeMapVisualizeHierarchicalData">
-
-    <ShellContent
-        Title="Home"
-        ContentTemplate="{DataTemplate local:MainPage}"
-        Route="MainPage" />
-
-</Shell>
diff --git a/TreeMapVisualizeHierarchicalData/TreeMapVisualizeHierarchicalData/AppShell.xaml.cs b/TreeMapVisualizeHierarchicalData/TreeMapVisualizeHierarchicalData/AppShell.xaml.cs
deleted file mode 100644
index 96522cd..0000000
--- a/TreeMapVisualizeHierarchicalData/TreeMapVisualizeHierarchicalData/AppShell.xaml.cs
+++ /dev/null
@@ -1,10 +0,0 @@
-namespace TreeMapVisualizeHierarchicalData
-{
-    public partial class AppShell : Shell
-    {
-        public AppShell()
-        {
-            InitializeComponent();
-        }
-    }
-}
diff --git a/TreeMapVisualizeHierarchicalData/TreeMapVisualizeHierarchicalData/MainPage.xaml b/TreeMapVisualizeHierarchicalData/TreeMapVisualizeHierarchicalData/MainPage.xaml
index 4262810..a28d4bf 100644
--- a/TreeMapVisualizeHierarchicalData/TreeMapVisualizeHierarchicalData/MainPage.xaml
+++ b/TreeMapVisualizeHierarchicalData/TreeMapVisualizeHierarchicalData/MainPage.xaml
@@ -3,7 +3,8 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
              xmlns:treemap="clr-namespace:Syncfusion.Maui.TreeMap;assembly=Syncfusion.Maui.TreeMap"
              xmlns:local="clr-namespace:TreeMapVisualizeHierarchicalData"
-             x:Class="TreeMapVisualizeHierarchicalData.MainPage">
+             x:Class="TreeMapVisualizeHierarchicalData.MainPage"
+             x:DataType="local:PopulationViewModel">
 
     <ContentPage.BindingContext>
         <local:PopulationViewModel />
diff --git a/TreeMapVisualizeHierarchicalData/TreeMapVisualizeHierarchicalData/TreeMapVisualizeHierarchicalData.csproj b/TreeMapVisualizeHierarchicalData/TreeMapVisualizeHierarchicalData/TreeMapVisualizeHierarchicalData.csproj
index f980ffd..be1acdb 100644
--- a/TreeMapVisualizeHierarchicalData/TreeMapVisualizeHierarchicalData/TreeMapVisualizeHierarchicalData.csproj
+++ b/TreeMapVisualizeHierarchicalData/TreeMapVisualizeHierarchicalData/TreeMapVisualizeHierarchicalData.csproj
@@ -1,8 +1,8 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
 	<PropertyGroup>
-		<TargetFrameworks>net8.0-android;net8.0-ios;net8.0-maccatalyst</TargetFrameworks>
-		<TargetFrameworks Condition="$([MSBuild]::IsOSPlatform('windows'))">$(TargetFrameworks);net8.0-windows10.0.19041.0</TargetFrameworks>
+		<TargetFrameworks>net9.0-android;net9.0-ios;net9.0-maccatalyst</TargetFrameworks>
+		<TargetFrameworks Condition="$([MSBuild]::IsOSPlatform('windows'))">$(TargetFrameworks);net9.0-windows10.0.19041.0</TargetFrameworks>
 		<!-- Uncomment to also build the tizen app. You will need to install tizen by following this: https://github.com/Samsung/Tizen.NET -->
 		<!-- <TargetFrameworks>$(TargetFrameworks);net8.0-tizen</TargetFrameworks> -->
 
@@ -59,9 +59,9 @@
 	<ItemGroup>
 		<PackageReference Include="Microsoft.Maui.Controls" Version="$(MauiVersion)" />
 		<PackageReference Include="Microsoft.Maui.Controls.Compatibility" Version="$(MauiVersion)" />
-		<PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="8.0.0" />
-		<PackageReference Include="Syncfusion.Maui.Inputs" Version="25.1.39" />
-		<PackageReference Include="Syncfusion.Maui.TreeMap" Version="25.1.39" />
+		<PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="*" />
+		<PackageReference Include="Syncfusion.Maui.Inputs" Version="*" />
+		<PackageReference Include="Syncfusion.Maui.TreeMap" Version="*" />
 	</ItemGroup>
 
 </Project>
diff --git a/TreeMapVisualizeHierarchicalData/TreeMapVisualizeHierarchicalData/ViewModel/PopulationViewModel.cs b/TreeMapVisualizeHierarchicalData/TreeMapVisualizeHierarchicalData/ViewModel/PopulationViewModel.cs
index f2913e9..83a7288 100644
--- a/TreeMapVisualizeHierarchicalData/TreeMapVisualizeHierarchicalData/ViewModel/PopulationViewModel.cs
+++ b/TreeMapVisualizeHierarchicalData/TreeMapVisualizeHierarchicalData/ViewModel/PopulationViewModel.cs
@@ -13,7 +13,7 @@ public class PopulationViewModel
         #region Constructor
 
         /// <summary>
-        /// Initializes a new instance of the <see cref="ViewModel"/> class.
+        /// Initializes a new instance of the <see cref="PopulationViewModel"/> class.
         /// </summary>
         public PopulationViewModel()
         {