<ContentPage.Resources>
<Style TargetType="telerik:RadSpinner" x:Key="spinnerStyle">
    <Setter Property="IsLooping" Value="False" />
</Style>
</ContentPage.Resources>

<VerticalStackLayout WidthRequest="300" HorizontalOptions="Center">
    <telerik:RadDateTimePicker x:Name="dateTimePicker"
                                                  SpinnerStyle="{StaticResource spinnerStyle}"
                                                  MinimumDate="2020/01/01"
                                                  MaximumDate="2026/12/31" />
</VerticalStackLayout>

    <ContentPage.Resources>
        <ResourceDictionary>

            <Style TargetType="telerik:TabViewHeader" x:Key="tabstripStyle">
                <Setter Property="Orientation" Value="Vertical"/>
                <Setter Property="SelectedIndex" Value="1"/>
            </Style>


        </ResourceDictionary>
    </ContentPage.Resources>
    <VerticalStackLayout>
        <telerik:RadDateTimePicker TabStripStyle="{StaticResource tabstripStyle}" x:Name="picker"/>
    </VerticalStackLayout>