diff --git a/DropDownHeightCustomization/DropDownHeightCustomization/App.xaml.cs b/DropDownHeightCustomization/DropDownHeightCustomization/App.xaml.cs
index db38a49..29dc031 100644
--- a/DropDownHeightCustomization/DropDownHeightCustomization/App.xaml.cs
+++ b/DropDownHeightCustomization/DropDownHeightCustomization/App.xaml.cs
@@ -5,7 +5,9 @@ public partial class App : Application
 	public App()
 	{
 		InitializeComponent();
-
-		MainPage = new AppShell();
 	}
+    protected override Window CreateWindow(IActivationState? activationState)
+    {
+        return new Window(new MainPage());
+    }
 }
\ No newline at end of file
diff --git a/DropDownHeightCustomization/DropDownHeightCustomization/AppShell.xaml b/DropDownHeightCustomization/DropDownHeightCustomization/AppShell.xaml
deleted file mode 100644
index 8a243ce..0000000
--- a/DropDownHeightCustomization/DropDownHeightCustomization/AppShell.xaml
+++ /dev/null
@@ -1,14 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" ?>
-<Shell
-    x:Class="DropDownHeightCustomization.AppShell"
-    xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
-    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
-    xmlns:local="clr-namespace:DropDownHeightCustomization"
-    Shell.FlyoutBehavior="Disabled">
-
-    <ShellContent
-        Title="Home"
-        ContentTemplate="{DataTemplate local:MainPage}"
-        Route="MainPage" />
-
-</Shell>
diff --git a/DropDownHeightCustomization/DropDownHeightCustomization/AppShell.xaml.cs b/DropDownHeightCustomization/DropDownHeightCustomization/AppShell.xaml.cs
deleted file mode 100644
index e26ac19..0000000
--- a/DropDownHeightCustomization/DropDownHeightCustomization/AppShell.xaml.cs
+++ /dev/null
@@ -1,9 +0,0 @@
-namespace DropDownHeightCustomization;
-
-public partial class AppShell : Shell
-{
-	public AppShell()
-	{
-		InitializeComponent();
-	}
-}
diff --git a/DropDownHeightCustomization/DropDownHeightCustomization/AutoCompleteEditor/Behavior/DataFormBehavior.cs b/DropDownHeightCustomization/DropDownHeightCustomization/AutoCompleteEditor/Behavior/DataFormBehavior.cs
index 4ca1fd1..b8c2790 100644
--- a/DropDownHeightCustomization/DropDownHeightCustomization/AutoCompleteEditor/Behavior/DataFormBehavior.cs
+++ b/DropDownHeightCustomization/DropDownHeightCustomization/AutoCompleteEditor/Behavior/DataFormBehavior.cs
@@ -15,7 +15,7 @@ protected override void OnAttachedTo(SfDataForm dataForm)
             dataForm.RegisterEditor("City", DataFormEditorType.ComboBox);
             dataForm.GenerateDataFormItem += OnGenerateDataItem;
         }
-        private void OnGenerateDataItem(object sender, GenerateDataFormItemEventArgs e)
+        private void OnGenerateDataItem(object? sender, GenerateDataFormItemEventArgs e)
         {
             if (e.DataFormItem != null && e.DataFormItem is DataFormAutoCompleteItem autoComplete)
             {
@@ -29,8 +29,6 @@ protected override void OnDetachingFrom(SfDataForm dataForm)
             {
                 dataForm.GenerateDataFormItem -= this.OnGenerateDataItem;
             }
-
-            dataForm = null;
         }
     }
 }
\ No newline at end of file
diff --git a/DropDownHeightCustomization/DropDownHeightCustomization/AutoCompleteEditor/Model/DataFormModel.cs b/DropDownHeightCustomization/DropDownHeightCustomization/AutoCompleteEditor/Model/DataFormModel.cs
index 8a4a8b9..3c32390 100644
--- a/DropDownHeightCustomization/DropDownHeightCustomization/AutoCompleteEditor/Model/DataFormModel.cs
+++ b/DropDownHeightCustomization/DropDownHeightCustomization/AutoCompleteEditor/Model/DataFormModel.cs
@@ -4,10 +4,10 @@ namespace DropDownHeightCustomization
 {
     public class DataFormModel
     {
-        public string Name { get; set; }
-        public string Address { get; set; }
-        public string City { get; set; }
-        public string Country { get; set; }
-        public string Purpose { get; set; }
+        public string Name { get; set; } = string.Empty;
+        public string Address { get; set; } = string.Empty;
+        public string City { get; set; } = string.Empty;
+        public string Country { get; set; } = string.Empty;
+        public string Purpose { get; set; } = string.Empty;
     }
 }
\ No newline at end of file
diff --git a/DropDownHeightCustomization/DropDownHeightCustomization/DropDownHeightCustomization.csproj b/DropDownHeightCustomization/DropDownHeightCustomization/DropDownHeightCustomization.csproj
index b41e55c..6a90aed 100644
--- a/DropDownHeightCustomization/DropDownHeightCustomization/DropDownHeightCustomization.csproj
+++ b/DropDownHeightCustomization/DropDownHeightCustomization/DropDownHeightCustomization.csproj
@@ -1,15 +1,16 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
 	<PropertyGroup>
-		<TargetFrameworks>net7.0-android;net7.0-ios;net7.0-maccatalyst</TargetFrameworks>
-		<TargetFrameworks Condition="$([MSBuild]::IsOSPlatform('windows'))">$(TargetFrameworks);net7.0-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>$(TargetFrameworks);net7.0-tizen</TargetFrameworks> -->
+		<!-- <TargetFrameworks>$(TargetFrameworks);net9.0-tizen</TargetFrameworks> -->
 		<OutputType>Exe</OutputType>
 		<RootNamespace>DropDownHeightCustomization</RootNamespace>
 		<UseMaui>true</UseMaui>
 		<SingleProject>true</SingleProject>
 		<ImplicitUsings>enable</ImplicitUsings>
+		<Nullable>enable</Nullable>
 
 		<!-- Display name -->
 		<ApplicationTitle>DropDownHeightCustomization</ApplicationTitle>
@@ -49,7 +50,7 @@
 	</ItemGroup>
 
 	<ItemGroup>
-		<PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="7.0.0" />
+		<PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="*" />
 		<PackageReference Include="Syncfusion.Maui.DataForm" Version="*" />
 		<PackageReference Include="Syncfusion.Maui.Inputs" Version="*" />
 		<PackageReference Include="Syncfusion.Maui.ListView" Version="*" />
diff --git a/DropDownHeightCustomization/DropDownHeightCustomization/DropDownHeightCustomization.csproj.user b/DropDownHeightCustomization/DropDownHeightCustomization/DropDownHeightCustomization.csproj.user
new file mode 100644
index 0000000..8700ea2
--- /dev/null
+++ b/DropDownHeightCustomization/DropDownHeightCustomization/DropDownHeightCustomization.csproj.user
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="Current" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <IsFirstTimeProjectOpen>False</IsFirstTimeProjectOpen>
+    <ActiveDebugFramework>net9.0-windows10.0.19041.0</ActiveDebugFramework>
+    <ActiveDebugProfile>Windows Machine</ActiveDebugProfile>
+  </PropertyGroup>
+</Project>
\ No newline at end of file
diff --git a/DropDownHeightCustomization/DropDownHeightCustomization/MainPage.xaml b/DropDownHeightCustomization/DropDownHeightCustomization/MainPage.xaml
index 53ebbf1..6b4fa3b 100644
--- a/DropDownHeightCustomization/DropDownHeightCustomization/MainPage.xaml
+++ b/DropDownHeightCustomization/DropDownHeightCustomization/MainPage.xaml
@@ -5,6 +5,7 @@
              xmlns:dataForm="clr-namespace:Syncfusion.Maui.DataForm;assembly=Syncfusion.Maui.DataForm"
              x:Class="DropDownHeightCustomization.MainPage">
     <dataForm:SfDataForm x:Name="dataForm"
+                         x:DataType="local:DataFormViewModel"
                          DataObject="{Binding DataFormModel}">
         <dataForm:SfDataForm.BindingContext>
             <local:DataFormViewModel/>