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我想通過xaml而不是後端代碼設置BindingContext。目前我是這樣分配的:Xamarin MVVM Light ViewModelLocator設置xaml中的BindingContext
public partial class MainPage : ContentPage
{
public MainPage()
{
InitializeComponent();
BindingContext = App.Locator.Main;
}
}
我該如何通過Xaml來分析BindingContext?我想是這樣的:
LoginPage.xaml
<?xml version="1.0" encoding="utf-8" ?>
<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
x:Class="Codesign.DtpMobilePortable.Views.LoginPage" BindingContext="{Binding LoginPage, Source={StaticResource ViewModelLocator}}">
<StackLayout Spacing="20" Padding="50" VerticalOptions="Center">
<Entry x:Name = "EntryUsername" Text="{Binding EntryUsernameText}" Placeholder = "Username"/>
<Entry x:Name = "EntryPassword" Text="{Binding EntryPasswordText}" Placeholder = "Password" IsPassword = "true" />
<Button x:Name = "ButtonLogin"
Text = "{Binding LoginButtonText}"
TextColor = "White"
BackgroundColor = "{Binding LoginButtonColor}" Command="{Binding LoginCommand}"/>
</StackLayout>
</ContentPage>
的App.xaml
<?xml version="1.0" encoding="utf-8" ?>
<Application xmlns="http://xamarin.com/schemas/2014/forms"
xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
xmlns:viewModels="clr-namespace:Codesign.DtpMobilePortable.ViewModels;assembly=Codesign.DtpMobilePortable"
x:Class="Codesign.DtpMobilePortable.Views.App">
<Application.Resources>
<viewModels:ViewModelLocator
x:Key="ViewModelLocator" />
</Application.Resources>
</Application>
但我得到的StaticResource不存在錯誤。