网格自动隐藏在 xaml Xamarin Forms 中
Grid auto hiding in xaml Xamarin Forms
我遇到了一个奇怪的错误/错误。我在网格内有 2 个按钮（保存和清除），当用户不向字段输入任何数据时，它会显示打印在每个控件底部的标签中的错误。
我使用了滚动视图，如果设计转到滚动，那么我在网格内的按钮会自动隐藏。但是当我 select 任何条目中的任何选择器或焦点时，页面中可见的网格（保存并清除）。
我没有在选择器 selected 索引更改中编写任何代码。
我正在分享我的代码。并附上页面的屏幕截图提前致谢。
<ContentPage.Content>
<ScrollView x:Name="MyScroll">
<StackLayout Orientation="Vertical" HorizontalOptions="FillAndExpand" VerticalOptions="FillAndExpand" Padding="10">
<StackLayout>
<Entry Text="{Binding BindProductInvModel.ProductInvID}" Margin="0" FontSize="1" IsVisible="false" HorizontalOptions="FillAndExpand" />
<Label Text="Product Name" Margin="2,-2" FontAttributes="Bold" />
<Picker x:Name="ProductName" Margin="2,-10,2,5" HorizontalOptions="FillAndExpand"
ItemsSource="{Binding BindProductList}"
ItemDisplayBinding="{Binding ProductName}"
SelectedItem="{Binding BindSelectedProduct,Mode=TwoWay}"
Title="{Binding BindCommonDisplayName.PickerTitleDisplayName}"/>
<Label x:Name="ProductIDError" Margin="2,-10,2,5" TextColor="Red" IsVisible="false" FontAttributes="Italic" />
<Label Text="Quanity" Margin="2,-10" FontAttributes="Bold" />
<Entry x:Name="Quantity" Text="{Binding BindProductInvModel.Quantity}" Unfocused="Entry_Unfocused" Focused="Entry_Focused"
Margin="2,-5,2,5" WidthRequest="150" ReturnType="Next"
HorizontalOptions="FillAndExpand" Keyboard="Numeric" />
<Label x:Name="QuantityError" Margin="2,-10,2,5"
TextColor="Red" IsVisible="false" FontAttributes="Italic" />
<Label Text="Unit" Margin="2,-10" FontAttributes="Bold" />
<Entry x:Name="Unit" Text="{Binding BindProductInvModel.Unit}" IsReadOnly="True"
Margin="2,-5,2,5" WidthRequest="150" ReturnType="Next"
HorizontalOptions="FillAndExpand" Keyboard="Numeric" />
<Label x:Name="UnitError" Margin="2,-10,2,5" TextColor="Red" IsVisible="false" FontAttributes="Italic" />
<Label Text="Vendor Name" Margin="2,-10" FontAttributes="Bold" />
<Picker x:Name="VendorName" Margin="2,-5,2,5" ItemsSource="{Binding BindVendorList}"
ItemDisplayBinding="{Binding VendorName}"
SelectedItem="{Binding BindSelectedVendor,Mode=TwoWay}"
Title="{Binding BindCommonDisplayName.PickerTitleDisplayName}" HorizontalOptions="FillAndExpand" />
<Label x:Name="VendorIDError" Margin="2,-10,2,5" TextColor="Red" IsVisible="false" FontAttributes="Italic" />
<Label Text="Receiving Date" Margin="2,-12" FontAttributes="Bold" />
<DatePicker x:Name="PickerRecvDate" Margin="2,-5,2,5" Date="{Binding BindProductInvModel.ReceivingDate,Mode=TwoWay}"
HorizontalOptions="FillAndExpand" Format="dd-MM-yyyy" />
<Label Text="Price" Margin="2,-12" FontAttributes="Bold" />
<Entry x:Name="Price" Text="{Binding BindProductInvModel.Price}" Unfocused="Entry_Unfocused" Focused="Entry_Focused"
Margin="2,-5,2,5" WidthRequest="150" ReturnType="Next"
HorizontalOptions="FillAndExpand" Keyboard="Numeric" />
<Label x:Name="PriceError" Margin="2,-10,2,5"
TextColor="Red" IsVisible="false" FontAttributes="Italic" />
<Label Text="Fair" Margin="2,-12" FontAttributes="Bold" />
<Entry x:Name="Fair" Text="{Binding BindProductInvModel.Fair}" Unfocused="Entry_Unfocused" Focused="Entry_Focused"
Margin="2,-5,2,5" WidthRequest="150" ReturnType="Next"
HorizontalOptions="FillAndExpand" Keyboard="Numeric" />
<Label x:Name="FairError" Margin="2,-10,2,5"
TextColor="Red" IsVisible="false" FontAttributes="Italic" />
<Label Text="OtherCharges" Margin="2,-12" FontAttributes="Bold" />
<Entry x:Name="OtherCharges" Text="{Binding BindProductInvModel.OtherCharges}" Unfocused="Entry_Unfocused" Focused="Entry_Focused"
Margin="2,-5,2,5" WidthRequest="150" ReturnType="Next"
HorizontalOptions="FillAndExpand" Keyboard="Numeric" />
<Label x:Name="OtherChargesError" Margin="2,-10,2,5"
TextColor="Red" IsVisible="false" FontAttributes="Italic" />
<Label Text="Total"
Margin="2,-12" FontAttributes="Bold" />
<Entry Text="{Binding BindProductInvModel.Total}"
Margin="2,-5,2,5" WidthRequest="150" ReturnType="Next" IsEnabled="False"
HorizontalOptions="FillAndExpand" Keyboard="Numeric" />
<Label x:Name="TotalError" Margin="2,-10,2,5"
TextColor="Red" IsVisible="false" FontAttributes="Italic" />
</StackLayout>
<StackLayout>
<Grid HorizontalOptions="FillAndExpand" Margin="2,-12">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="1*" />
<ColumnDefinition Width="1*" />
</Grid.ColumnDefinitions>
<Button Text="Save" x:Name="BtnSave"
HorizontalOptions="FillAndExpand" CornerRadius="10"
BorderWidth="2" BackgroundColor="#ff6633" TextColor="#fff"
Margin="2" Grid.Column="0" Grid.Row="0" Command="{Binding SaveCommand}" />
<Button Text="Clear" x:Name="BtnClear" HorizontalOptions="FillAndExpand"
CornerRadius="10" BorderWidth="2" BackgroundColor="#bfbfbf"
TextColor="#fff" Margin="2" Grid.Column="1" Grid.Row="0" Command="{Binding ClearCommand}" />
</Grid>
</StackLayout>
</StackLayout>
</ScrollView>
</ContentPage.Content>
如果您想让带有按钮的网格在滚动或select任何选择器时始终可见，您可以将按钮置于滚动视图之外。
<StackLayout>
<ScrollView x:Name="MyScroll">
<StackLayout Orientation="Vertical" HorizontalOptions="FillAndExpand" VerticalOptions="FillAndExpand" Padding="10">
<StackLayout>
<Entry Text="{Binding BindProductInvModel.ProductInvID}" Margin="0" FontSize="1" IsVisible="false" HorizontalOptions="FillAndExpand" />
<Label Text="Product Name" Margin="2,-2" FontAttributes="Bold" />
<Picker x:Name="ProductName" Margin="2,-10,2,5" HorizontalOptions="FillAndExpand"
ItemsSource="{Binding BindProductList}"
ItemDisplayBinding="{Binding ProductName}"
SelectedItem="{Binding BindSelectedProduct,Mode=TwoWay}"
Title="{Binding BindCommonDisplayName.PickerTitleDisplayName}"/>
<Label x:Name="ProductIDError" Margin="2,-10,2,5" TextColor="Red" IsVisible="false" FontAttributes="Italic" />
<Label Text="Quanity" Margin="2,-10" FontAttributes="Bold" />
<Entry x:Name="Quantity" Text="{Binding BindProductInvModel.Quantity}" Unfocused="Entry_Unfocused" Focused="Entry_Focused"
Margin="2,-5,2,5" WidthRequest="150" ReturnType="Next"
HorizontalOptions="FillAndExpand" Keyboard="Numeric" />
<Label x:Name="QuantityError" Margin="2,-10,2,5"
TextColor="Red" IsVisible="false" FontAttributes="Italic" />
<Label Text="Unit" Margin="2,-10" FontAttributes="Bold" />
<Entry x:Name="Unit" Text="{Binding BindProductInvModel.Unit}" IsReadOnly="True"
Margin="2,-5,2,5" WidthRequest="150" ReturnType="Next"
HorizontalOptions="FillAndExpand" Keyboard="Numeric" />
<Label x:Name="UnitError" Margin="2,-10,2,5" TextColor="Red" IsVisible="false" FontAttributes="Italic" />
<Label Text="Vendor Name" Margin="2,-10" FontAttributes="Bold" />
<Picker x:Name="VendorName" Margin="2,-5,2,5" ItemsSource="{Binding BindVendorList}"
ItemDisplayBinding="{Binding VendorName}"
SelectedItem="{Binding BindSelectedVendor,Mode=TwoWay}"
Title="{Binding BindCommonDisplayName.PickerTitleDisplayName}" HorizontalOptions="FillAndExpand" />
<Label x:Name="VendorIDError" Margin="2,-10,2,5" TextColor="Red" IsVisible="false" FontAttributes="Italic" />
<Label Text="Receiving Date" Margin="2,-12" FontAttributes="Bold" />
<DatePicker x:Name="PickerRecvDate" Margin="2,-5,2,5" Date="{Binding BindProductInvModel.ReceivingDate,Mode=TwoWay}"
HorizontalOptions="FillAndExpand" Format="dd-MM-yyyy" />
<Label Text="Price" Margin="2,-12" FontAttributes="Bold" />
<Entry x:Name="Price" Text="{Binding BindProductInvModel.Price}" Unfocused="Entry_Unfocused" Focused="Entry_Focused"
Margin="2,-5,2,5" WidthRequest="150" ReturnType="Next"
HorizontalOptions="FillAndExpand" Keyboard="Numeric" />
<Label x:Name="PriceError" Margin="2,-10,2,5"
TextColor="Red" IsVisible="false" FontAttributes="Italic" />
<Label Text="Fair" Margin="2,-12" FontAttributes="Bold" />
<Entry x:Name="Fair" Text="{Binding BindProductInvModel.Fair}" Unfocused="Entry_Unfocused" Focused="Entry_Focused"
Margin="2,-5,2,5" WidthRequest="150" ReturnType="Next"
HorizontalOptions="FillAndExpand" Keyboard="Numeric" />
<Label x:Name="FairError" Margin="2,-10,2,5"
TextColor="Red" IsVisible="false" FontAttributes="Italic" />
<Label Text="OtherCharges" Margin="2,-12" FontAttributes="Bold" />
<Entry x:Name="OtherCharges" Text="{Binding BindProductInvModel.OtherCharges}" Unfocused="Entry_Unfocused" Focused="Entry_Focused"
Margin="2,-5,2,5" WidthRequest="150" ReturnType="Next"
HorizontalOptions="FillAndExpand" Keyboard="Numeric" />
<Label x:Name="OtherChargesError" Margin="2,-10,2,5"
TextColor="Red" IsVisible="false" FontAttributes="Italic" />
<Label Text="Total"
Margin="2,-12" FontAttributes="Bold" />
<Entry Text="{Binding BindProductInvModel.Total}"
Margin="2,-5,2,5" WidthRequest="150" ReturnType="Next" IsEnabled="False"
HorizontalOptions="FillAndExpand" Keyboard="Numeric" />
<Label x:Name="TotalError" Margin="2,-10,2,5"
TextColor="Red" IsVisible="false" FontAttributes="Italic" />
</StackLayout>
</StackLayout>
</ScrollView>
<StackLayout>
<Grid HorizontalOptions="FillAndExpand" Margin="2,-12">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="1*" />
<ColumnDefinition Width="1*" />
</Grid.ColumnDefinitions>
<Button Text="Save" x:Name="BtnSave"
HorizontalOptions="FillAndExpand" CornerRadius="10"
BorderWidth="2" BackgroundColor="#ff6633" TextColor="#fff"
Margin="2" Grid.Column="0" Grid.Row="0" Command="{Binding SaveCommand}" />
<Button Text="Clear" x:Name="BtnClear" HorizontalOptions="FillAndExpand"
CornerRadius="10" BorderWidth="2" BackgroundColor="#bfbfbf"
TextColor="#fff" Margin="2" Grid.Column="1" Grid.Row="0" Command="{Binding ClearCommand}" />
</Grid>
</StackLayout>
</StackLayout>
我遇到了一个奇怪的错误/错误。我在网格内有 2 个按钮（保存和清除），当用户不向字段输入任何数据时，它会显示打印在每个控件底部的标签中的错误。 我使用了滚动视图，如果设计转到滚动，那么我在网格内的按钮会自动隐藏。但是当我 select 任何条目中的任何选择器或焦点时，页面中可见的网格（保存并清除）。 我没有在选择器 selected 索引更改中编写任何代码。 我正在分享我的代码。并附上页面的屏幕截图提前致谢。
<ContentPage.Content>
<ScrollView x:Name="MyScroll">
<StackLayout Orientation="Vertical" HorizontalOptions="FillAndExpand" VerticalOptions="FillAndExpand" Padding="10">
<StackLayout>
<Entry Text="{Binding BindProductInvModel.ProductInvID}" Margin="0" FontSize="1" IsVisible="false" HorizontalOptions="FillAndExpand" />
<Label Text="Product Name" Margin="2,-2" FontAttributes="Bold" />
<Picker x:Name="ProductName" Margin="2,-10,2,5" HorizontalOptions="FillAndExpand"
ItemsSource="{Binding BindProductList}"
ItemDisplayBinding="{Binding ProductName}"
SelectedItem="{Binding BindSelectedProduct,Mode=TwoWay}"
Title="{Binding BindCommonDisplayName.PickerTitleDisplayName}"/>
<Label x:Name="ProductIDError" Margin="2,-10,2,5" TextColor="Red" IsVisible="false" FontAttributes="Italic" />
<Label Text="Quanity" Margin="2,-10" FontAttributes="Bold" />
<Entry x:Name="Quantity" Text="{Binding BindProductInvModel.Quantity}" Unfocused="Entry_Unfocused" Focused="Entry_Focused"
Margin="2,-5,2,5" WidthRequest="150" ReturnType="Next"
HorizontalOptions="FillAndExpand" Keyboard="Numeric" />
<Label x:Name="QuantityError" Margin="2,-10,2,5"
TextColor="Red" IsVisible="false" FontAttributes="Italic" />
<Label Text="Unit" Margin="2,-10" FontAttributes="Bold" />
<Entry x:Name="Unit" Text="{Binding BindProductInvModel.Unit}" IsReadOnly="True"
Margin="2,-5,2,5" WidthRequest="150" ReturnType="Next"
HorizontalOptions="FillAndExpand" Keyboard="Numeric" />
<Label x:Name="UnitError" Margin="2,-10,2,5" TextColor="Red" IsVisible="false" FontAttributes="Italic" />
<Label Text="Vendor Name" Margin="2,-10" FontAttributes="Bold" />
<Picker x:Name="VendorName" Margin="2,-5,2,5" ItemsSource="{Binding BindVendorList}"
ItemDisplayBinding="{Binding VendorName}"
SelectedItem="{Binding BindSelectedVendor,Mode=TwoWay}"
Title="{Binding BindCommonDisplayName.PickerTitleDisplayName}" HorizontalOptions="FillAndExpand" />
<Label x:Name="VendorIDError" Margin="2,-10,2,5" TextColor="Red" IsVisible="false" FontAttributes="Italic" />
<Label Text="Receiving Date" Margin="2,-12" FontAttributes="Bold" />
<DatePicker x:Name="PickerRecvDate" Margin="2,-5,2,5" Date="{Binding BindProductInvModel.ReceivingDate,Mode=TwoWay}"
HorizontalOptions="FillAndExpand" Format="dd-MM-yyyy" />
<Label Text="Price" Margin="2,-12" FontAttributes="Bold" />
<Entry x:Name="Price" Text="{Binding BindProductInvModel.Price}" Unfocused="Entry_Unfocused" Focused="Entry_Focused"
Margin="2,-5,2,5" WidthRequest="150" ReturnType="Next"
HorizontalOptions="FillAndExpand" Keyboard="Numeric" />
<Label x:Name="PriceError" Margin="2,-10,2,5"
TextColor="Red" IsVisible="false" FontAttributes="Italic" />
<Label Text="Fair" Margin="2,-12" FontAttributes="Bold" />
<Entry x:Name="Fair" Text="{Binding BindProductInvModel.Fair}" Unfocused="Entry_Unfocused" Focused="Entry_Focused"
Margin="2,-5,2,5" WidthRequest="150" ReturnType="Next"
HorizontalOptions="FillAndExpand" Keyboard="Numeric" />
<Label x:Name="FairError" Margin="2,-10,2,5"
TextColor="Red" IsVisible="false" FontAttributes="Italic" />
<Label Text="OtherCharges" Margin="2,-12" FontAttributes="Bold" />
<Entry x:Name="OtherCharges" Text="{Binding BindProductInvModel.OtherCharges}" Unfocused="Entry_Unfocused" Focused="Entry_Focused"
Margin="2,-5,2,5" WidthRequest="150" ReturnType="Next"
HorizontalOptions="FillAndExpand" Keyboard="Numeric" />
<Label x:Name="OtherChargesError" Margin="2,-10,2,5"
TextColor="Red" IsVisible="false" FontAttributes="Italic" />
<Label Text="Total"
Margin="2,-12" FontAttributes="Bold" />
<Entry Text="{Binding BindProductInvModel.Total}"
Margin="2,-5,2,5" WidthRequest="150" ReturnType="Next" IsEnabled="False"
HorizontalOptions="FillAndExpand" Keyboard="Numeric" />
<Label x:Name="TotalError" Margin="2,-10,2,5"
TextColor="Red" IsVisible="false" FontAttributes="Italic" />
</StackLayout>
<StackLayout>
<Grid HorizontalOptions="FillAndExpand" Margin="2,-12">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="1*" />
<ColumnDefinition Width="1*" />
</Grid.ColumnDefinitions>
<Button Text="Save" x:Name="BtnSave"
HorizontalOptions="FillAndExpand" CornerRadius="10"
BorderWidth="2" BackgroundColor="#ff6633" TextColor="#fff"
Margin="2" Grid.Column="0" Grid.Row="0" Command="{Binding SaveCommand}" />
<Button Text="Clear" x:Name="BtnClear" HorizontalOptions="FillAndExpand"
CornerRadius="10" BorderWidth="2" BackgroundColor="#bfbfbf"
TextColor="#fff" Margin="2" Grid.Column="1" Grid.Row="0" Command="{Binding ClearCommand}" />
</Grid>
</StackLayout>
</StackLayout>
</ScrollView>
</ContentPage.Content>
如果您想让带有按钮的网格在滚动或select任何选择器时始终可见，您可以将按钮置于滚动视图之外。
<StackLayout>
<ScrollView x:Name="MyScroll">
<StackLayout Orientation="Vertical" HorizontalOptions="FillAndExpand" VerticalOptions="FillAndExpand" Padding="10">
<StackLayout>
<Entry Text="{Binding BindProductInvModel.ProductInvID}" Margin="0" FontSize="1" IsVisible="false" HorizontalOptions="FillAndExpand" />
<Label Text="Product Name" Margin="2,-2" FontAttributes="Bold" />
<Picker x:Name="ProductName" Margin="2,-10,2,5" HorizontalOptions="FillAndExpand"
ItemsSource="{Binding BindProductList}"
ItemDisplayBinding="{Binding ProductName}"
SelectedItem="{Binding BindSelectedProduct,Mode=TwoWay}"
Title="{Binding BindCommonDisplayName.PickerTitleDisplayName}"/>
<Label x:Name="ProductIDError" Margin="2,-10,2,5" TextColor="Red" IsVisible="false" FontAttributes="Italic" />
<Label Text="Quanity" Margin="2,-10" FontAttributes="Bold" />
<Entry x:Name="Quantity" Text="{Binding BindProductInvModel.Quantity}" Unfocused="Entry_Unfocused" Focused="Entry_Focused"
Margin="2,-5,2,5" WidthRequest="150" ReturnType="Next"
HorizontalOptions="FillAndExpand" Keyboard="Numeric" />
<Label x:Name="QuantityError" Margin="2,-10,2,5"
TextColor="Red" IsVisible="false" FontAttributes="Italic" />
<Label Text="Unit" Margin="2,-10" FontAttributes="Bold" />
<Entry x:Name="Unit" Text="{Binding BindProductInvModel.Unit}" IsReadOnly="True"
Margin="2,-5,2,5" WidthRequest="150" ReturnType="Next"
HorizontalOptions="FillAndExpand" Keyboard="Numeric" />
<Label x:Name="UnitError" Margin="2,-10,2,5" TextColor="Red" IsVisible="false" FontAttributes="Italic" />
<Label Text="Vendor Name" Margin="2,-10" FontAttributes="Bold" />
<Picker x:Name="VendorName" Margin="2,-5,2,5" ItemsSource="{Binding BindVendorList}"
ItemDisplayBinding="{Binding VendorName}"
SelectedItem="{Binding BindSelectedVendor,Mode=TwoWay}"
Title="{Binding BindCommonDisplayName.PickerTitleDisplayName}" HorizontalOptions="FillAndExpand" />
<Label x:Name="VendorIDError" Margin="2,-10,2,5" TextColor="Red" IsVisible="false" FontAttributes="Italic" />
<Label Text="Receiving Date" Margin="2,-12" FontAttributes="Bold" />
<DatePicker x:Name="PickerRecvDate" Margin="2,-5,2,5" Date="{Binding BindProductInvModel.ReceivingDate,Mode=TwoWay}"
HorizontalOptions="FillAndExpand" Format="dd-MM-yyyy" />
<Label Text="Price" Margin="2,-12" FontAttributes="Bold" />
<Entry x:Name="Price" Text="{Binding BindProductInvModel.Price}" Unfocused="Entry_Unfocused" Focused="Entry_Focused"
Margin="2,-5,2,5" WidthRequest="150" ReturnType="Next"
HorizontalOptions="FillAndExpand" Keyboard="Numeric" />
<Label x:Name="PriceError" Margin="2,-10,2,5"
TextColor="Red" IsVisible="false" FontAttributes="Italic" />
<Label Text="Fair" Margin="2,-12" FontAttributes="Bold" />
<Entry x:Name="Fair" Text="{Binding BindProductInvModel.Fair}" Unfocused="Entry_Unfocused" Focused="Entry_Focused"
Margin="2,-5,2,5" WidthRequest="150" ReturnType="Next"
HorizontalOptions="FillAndExpand" Keyboard="Numeric" />
<Label x:Name="FairError" Margin="2,-10,2,5"
TextColor="Red" IsVisible="false" FontAttributes="Italic" />
<Label Text="OtherCharges" Margin="2,-12" FontAttributes="Bold" />
<Entry x:Name="OtherCharges" Text="{Binding BindProductInvModel.OtherCharges}" Unfocused="Entry_Unfocused" Focused="Entry_Focused"
Margin="2,-5,2,5" WidthRequest="150" ReturnType="Next"
HorizontalOptions="FillAndExpand" Keyboard="Numeric" />
<Label x:Name="OtherChargesError" Margin="2,-10,2,5"
TextColor="Red" IsVisible="false" FontAttributes="Italic" />
<Label Text="Total"
Margin="2,-12" FontAttributes="Bold" />
<Entry Text="{Binding BindProductInvModel.Total}"
Margin="2,-5,2,5" WidthRequest="150" ReturnType="Next" IsEnabled="False"
HorizontalOptions="FillAndExpand" Keyboard="Numeric" />
<Label x:Name="TotalError" Margin="2,-10,2,5"
TextColor="Red" IsVisible="false" FontAttributes="Italic" />
</StackLayout>
</StackLayout>
</ScrollView>
<StackLayout>
<Grid HorizontalOptions="FillAndExpand" Margin="2,-12">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="1*" />
<ColumnDefinition Width="1*" />
</Grid.ColumnDefinitions>
<Button Text="Save" x:Name="BtnSave"
HorizontalOptions="FillAndExpand" CornerRadius="10"
BorderWidth="2" BackgroundColor="#ff6633" TextColor="#fff"
Margin="2" Grid.Column="0" Grid.Row="0" Command="{Binding SaveCommand}" />
<Button Text="Clear" x:Name="BtnClear" HorizontalOptions="FillAndExpand"
CornerRadius="10" BorderWidth="2" BackgroundColor="#bfbfbf"
TextColor="#fff" Margin="2" Grid.Column="1" Grid.Row="0" Command="{Binding ClearCommand}" />
</Grid>
</StackLayout>
</StackLayout>