diff --git a/BottomSheet/MainPage.xaml b/BottomSheet/MainPage.xaml
index 5158dba1..3d377341 100644
--- a/BottomSheet/MainPage.xaml
+++ b/BottomSheet/MainPage.xaml
@@ -1,12 +1,14 @@
 <?xml version="1.0" encoding="utf-8" ?>
 <ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
              xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             xmlns:bottomSheet="clr-namespace:BottomSheet"
              x:Class="BottomSheet.MainPage">
 
 	<ContentPage.Resources>
 		<DataTemplate x:Name="BottomSheetTemplate" x:Key="BottomSheetTemplate">
 			<ScrollView>
 				<VerticalStackLayout
+					x:DataType="bottomSheet:MainPage"
 					Spacing="25"
 					Padding="30,0"
 					VerticalOptions="Center">
@@ -42,6 +44,7 @@
 		<DataTemplate x:Name="BottomSheetTemplateWithLongContent" x:Key="BottomSheetTemplateWithLongContent">
 			<ScrollView>
 				<VerticalStackLayout
+					x:DataType="bottomSheet:MainPage"
 					Spacing="25"
 					Padding="30,0"
 					VerticalOptions="Center">
diff --git a/LocalPackages/VladislavAntonyuk.MaterialCalendarView.1.9.0.nupkg b/LocalPackages/VladislavAntonyuk.MaterialCalendarView.1.9.0.nupkg
index f05d9606..eec55cd6 100644
Binary files a/LocalPackages/VladislavAntonyuk.MaterialCalendarView.1.9.0.nupkg and b/LocalPackages/VladislavAntonyuk.MaterialCalendarView.1.9.0.nupkg differ
diff --git a/MauiBank/Views/CardPage.xaml b/MauiBank/Views/CardPage.xaml
index 7288266d..6f2cfb23 100644
--- a/MauiBank/Views/CardPage.xaml
+++ b/MauiBank/Views/CardPage.xaml
@@ -202,7 +202,7 @@
 							</CollectionView.Header>
 
 							<CollectionView.GroupHeaderTemplate>
-								<DataTemplate>
+								<DataTemplate x:DataType="models:TransactionGroup">
 									<Grid>
 										<Label Text="{Binding Date, StringFormat='{0:dd MMMM yyyy}'}"
 										       HorizontalOptions="Center" />
@@ -211,7 +211,7 @@
 							</CollectionView.GroupHeaderTemplate>
 
 							<CollectionView.ItemTemplate>
-								<DataTemplate>
+								<DataTemplate x:DataType="models:Transaction">
 									<Grid ColumnDefinitions="50,*,0.2*" RowDefinitions="*,*" Margin="30,10">
 										<Label Grid.Row="0" Grid.Column="0" Grid.RowSpan="2"
 										       Text="{x:Static fonts:FontAwesomeIcons.PaperPlane}"
diff --git a/MauiBank/Views/ProfilePage.xaml b/MauiBank/Views/ProfilePage.xaml
index 98ed8b1c..87f4c4bd 100644
--- a/MauiBank/Views/ProfilePage.xaml
+++ b/MauiBank/Views/ProfilePage.xaml
@@ -2,8 +2,10 @@
 <views:BasePage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
              xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
              xmlns:views="clr-namespace:MauiBank.Views"
+             xmlns:viewModels="clr-namespace:MauiBank.ViewModels"
              x:Class="MauiBank.Views.ProfilePage"
 			 Shell.PresentationMode="ModalAnimated"
+			 x:DataType="viewModels:ProfilePageViewModel"
              Title="ProfilePage">
     <VerticalStackLayout>
         <Label
@@ -11,6 +13,6 @@
             VerticalOptions="Center"
             HorizontalOptions="Center" />
 
-		<Button Text="back"  Command="{Binding BackCommand}"/>
+		<Button Text="Back" Command="{Binding BackCommand}"/>
     </VerticalStackLayout>
 </views:BasePage>
\ No newline at end of file
diff --git a/MauiBluetooth/DetailsPage.xaml b/MauiBluetooth/DetailsPage.xaml
index dc2ed62e..7322727d 100644
--- a/MauiBluetooth/DetailsPage.xaml
+++ b/MauiBluetooth/DetailsPage.xaml
@@ -3,10 +3,12 @@
 <views:Popup xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
              xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
              xmlns:views="http://schemas.microsoft.com/dotnet/2022/maui/toolkit"
-             x:Class="MauiBluetooth.DetailsPage">
+             xmlns:mauiBluetooth="clr-namespace:MauiBluetooth"
+             x:Class="MauiBluetooth.DetailsPage"
+             x:DataType="mauiBluetooth:DetailsPage">
 
 	<VerticalStackLayout>
-		<Label Text="{Binding device.Name}" />
+		<Label Text="{Binding Device.Name}" />
 		<Button Text="Get Services" Clicked="GetServices" />
 		<Button Text="Send message" Clicked="SendMessage" />
 	</VerticalStackLayout>
diff --git a/MauiBluetooth/DetailsPage.xaml.cs b/MauiBluetooth/DetailsPage.xaml.cs
index cc446ab3..663da9fa 100644
--- a/MauiBluetooth/DetailsPage.xaml.cs
+++ b/MauiBluetooth/DetailsPage.xaml.cs
@@ -7,12 +7,12 @@
 
 public partial class DetailsPage : Popup
 {
-	private readonly IDevice device;
+	public IDevice Device { get; }
 	private readonly IBluetoothService bluetoothService;
 
 	public DetailsPage(IDevice device, IBluetoothService bluetoothService)
 	{
-		this.device = device;
+		Device = device;
 		this.bluetoothService = bluetoothService;
 		InitializeComponent();
 		BindingContext = this;
@@ -21,7 +21,7 @@ public DetailsPage(IDevice device, IBluetoothService bluetoothService)
 
 	private async void GetServices(object sender, EventArgs e)
 	{
-		var services = await device.GetServicesAsync();
+		var services = await Device.GetServicesAsync();
 		var service = services.First();
 		var characteristics = await service.GetCharacteristicsAsync();
 		var characteristic = characteristics.First();
@@ -40,10 +40,10 @@ private async void GetServices(object sender, EventArgs e)
 
 	private async void SendMessage(object sender, EventArgs e)
 	{
-		await bluetoothService.Connect(device.Name);
-		await bluetoothService.Send(device.Name, Encoding.Default.GetBytes("test"));
+		await bluetoothService.Connect(Device.Name);
+		await bluetoothService.Send(Device.Name, Encoding.Default.GetBytes("test"));
 
-		var data = await bluetoothService.Receive(device.Name);
+		var data = await bluetoothService.Receive(Device.Name);
 		await Toast.Make(Encoding.Default.GetString(data)).Show();
 		await bluetoothService.Disconnect();
 	}
diff --git a/MauiBluetooth/MainPage.xaml b/MauiBluetooth/MainPage.xaml
index 72d36649..eba0b21f 100644
--- a/MauiBluetooth/MainPage.xaml
+++ b/MauiBluetooth/MainPage.xaml
@@ -2,10 +2,11 @@
 
 <ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
              xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
-             xmlns:contracts="clr-namespace:Plugin.BLE.Abstractions.Contracts;assembly=Plugin.BLE.Abstractions"
              xmlns:mauiBluetooth="clr-namespace:MauiBluetooth"
+             xmlns:contracts="clr-namespace:Plugin.BLE.Abstractions.Contracts;assembly=Plugin.BLE"
              x:Class="MauiBluetooth.MainPage"
 			 Shell.NavBarIsVisible="False"
+			 x:DataType="mauiBluetooth:MainPageViewModel"
              x:Name="Main">
 	<CollectionView ItemsSource="{Binding Devices}">
 		<CollectionView.Header>
@@ -13,8 +14,8 @@
 			        Text="Scan devices" />
 		</CollectionView.Header>
 		<CollectionView.ItemTemplate>
-			<DataTemplate>
-				<Grid ColumnDefinitions="*, Auto" Grid.RowDefinitions="*,*">
+			<DataTemplate x:DataType="contracts:IDevice">
+				<Grid ColumnDefinitions="*, Auto" RowDefinitions="*,*">
 					<Label Grid.Column="0" Text="{Binding NativeDevice.Name}"/>
 					<Label Grid.Column="0" Grid.Row="1" Text="{Binding NativeDevice.Address}" />
 					<Button Grid.Column="1" Grid.RowSpan="2" x:DataType="mauiBluetooth:MainPageViewModel"
diff --git a/MauiMarkdown/MainPage.xaml b/MauiMarkdown/MainPage.xaml
index 0514686d..07ff79f1 100644
--- a/MauiMarkdown/MainPage.xaml
+++ b/MauiMarkdown/MainPage.xaml
@@ -15,6 +15,7 @@
 	            HeightRequest="10"/>
 
             <mauiMarkdown:MarkdownGraphicsView
+				x:DataType="Editor"
                 Grid.Row="2"
                 BindingContext="{Binding Source={x:Reference Editor}}"
                 Text="{Binding Text}"
diff --git a/MauiPaint/PreviewImage.xaml b/MauiPaint/PreviewImage.xaml
index adf108df..df3076e7 100644
--- a/MauiPaint/PreviewImage.xaml
+++ b/MauiPaint/PreviewImage.xaml
@@ -2,7 +2,9 @@
 <mct:Popup xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
            xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
            xmlns:mct="http://schemas.microsoft.com/dotnet/2022/maui/toolkit"
+           xmlns:mauiPaint="using:MauiPaint"
            x:Class="MauiPaint.PreviewImage"
+		   x:DataType="mauiPaint:PreviewImage"
 		   Color="Transparent">
 
 	<ScrollView>
diff --git a/MauiShellCustomization/AppShell.xaml b/MauiShellCustomization/AppShell.xaml
index 55b360a9..818e626a 100644
--- a/MauiShellCustomization/AppShell.xaml
+++ b/MauiShellCustomization/AppShell.xaml
@@ -12,10 +12,12 @@
 		<ToolbarItem Text="Toolbar 2"
 		             IconImageSource="dotnet_bot.png"/>
 	</Shell.ToolbarItems>
-	<local:CustomTabBar CenterViewText="+"
-	                    CenterViewVisible="True"
-	                    CenterViewBackgroundColor="Red"
-	                    CenterViewCommand="{Binding CenterViewCommand}">
+	<local:CustomTabBar
+		x:DataType="local:AppShell"
+		CenterViewText="+"
+		CenterViewVisible="True"
+		CenterViewBackgroundColor="Red"
+		CenterViewCommand="{Binding CenterViewCommand}">
 		<!-- <local:CustomTabBar.CenterViewImageSource> -->
 		<!-- 	<FileImageSource File="dotnet_bot.png"></FileImageSource> -->
 		<!-- </local:CustomTabBar.CenterViewImageSource> -->
diff --git a/MauiShellCustomization/AppShell.xaml.cs b/MauiShellCustomization/AppShell.xaml.cs
index 1788b0d4..b9728bc4 100644
--- a/MauiShellCustomization/AppShell.xaml.cs
+++ b/MauiShellCustomization/AppShell.xaml.cs
@@ -12,5 +12,4 @@ public AppShell()
 	}
 
 	public ICommand CenterViewCommand { get; } = new Command(async () => await Toast.Make("CenterViewCommand invoked!").Show());
-
 }
\ No newline at end of file
diff --git a/MauiSpeech/MainPage.xaml b/MauiSpeech/MainPage.xaml
index fbc74382..a04f29ea 100644
--- a/MauiSpeech/MainPage.xaml
+++ b/MauiSpeech/MainPage.xaml
@@ -2,6 +2,7 @@
 <ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
              xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
              xmlns:mauiSpeech="clr-namespace:MauiSpeech"
+			 x:DataType="mauiSpeech:MainViewModel"
              x:Class="MauiSpeech.MainPage">
 
 	<ContentPage.Resources>
diff --git a/MauiTabView/MainPage.xaml b/MauiTabView/MainPage.xaml
index 3c6551d6..d80e7d8f 100644
--- a/MauiTabView/MainPage.xaml
+++ b/MauiTabView/MainPage.xaml
@@ -19,7 +19,8 @@
 		</ControlTemplate>
 
 		<DataTemplate x:Key="IndicatorDataTemplate">
-			<VerticalStackLayout>
+			<VerticalStackLayout
+				x:DataType="mauiTabView:Tab">
 				<Image Source="{Binding Icon}"
 				       WidthRequest="30"
 				       HeightRequest="30"