Xamarin.forms Xamarin表单生成错误-找不到密钥的StaticResource
我只是在学习XAML和Xamrin。我正在努力学习静态样式是如何工作的。以下是我的XAML代码:Xamarin.forms Xamarin表单生成错误-找不到密钥的StaticResource,xamarin.forms,staticresource,Xamarin.forms,Staticresource,我只是在学习XAML和Xamrin。我正在努力学习静态样式是如何工作的。以下是我的XAML代码: <?xml version="1.0" encoding="utf-8" ?> <ContentPage xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" xmlns:local=
<?xml version="1.0" encoding="utf-8" ?>
<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
xmlns:local="clr-namespace:Styles"
x:Class="Styles.MainPage">
<ContentPage.Resources>
<ResourceDictionary>
<Style x:key="buttonStyle" TargetType="Button">
<Setter Property="HorizontalOptions" Value="Center"/>
<Setter Property="VerticalOptions" Value="Center" />
<Setter Property="TextColor" Value="Red"/>
<Setter Property="FontSize" Value="Small"/>
</Style>
<Style TargetType="Label">
<Setter Property="HorizontalOptions" Value="Center"/>
<Setter Property="VerticalOptions" Value="Center" />
<Setter Property="TextColor" Value="Blue"/>
<Setter Property="FontSize" Value="20"/>
</Style>
<Style x:key="baseStyle" TargetType="View">
<Setter Property="HorizontalOptions" Value="Center"/>
<Setter Property="VerticalOptions" Value="Center" />
</Style>
<Style x:key="entryStyle" TargetType="Entry" BasedOn="{StaticResource baseStyle}">
<Setter Property="TextColor" Value="Green"/>
</Style>
</ResourceDictionary>
</ContentPage.Resources>
<ContentPage.Content>
<StackLayout Padding="20">
<Label Text="This is label 1 using implicit style"/>
<Label Text="This is label 2"/>
<Button
Text="Not using the button style"
BorderWidth="2"
HorizontalOptions="Center"
VerticalOptions="Center"
WidthRequest="200"/>
<Button Style="{StaticResource buttonStyle}"
Text="Using explicit style"
BorderWidth="2"
WidthRequest="200"/>
<Entry Style="{StaticResource entryStyle}" Placeholder="This enty uses an inherited style"/>
<Button Style="{StaticResource buttonStyle}"
Text="Using explicit style"
BorderWidth="2"
WidthRequest="200"/>
</StackLayout>
</ContentPage.Content>
</ContentPage>
我不明白为什么会出现这个错误,因为在前一行中已经定义了样式“key”。非常感谢您的帮助。x:Key属性的第一个字母必须大写
<?xml version="1.0" encoding="utf-8" ?>
<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
xmlns:local="clr-namespace:Styles"
x:Class="Styles.MainPage">
<ContentPage.Resources>
<ResourceDictionary>
<Style x:Key="buttonStyle" TargetType="Button">
<Setter Property="HorizontalOptions" Value="Center"/>
<Setter Property="VerticalOptions" Value="Center" />
<Setter Property="TextColor" Value="Red"/>
<Setter Property="FontSize" Value="Small"/>
</Style>
<Style TargetType="Label">
<Setter Property="HorizontalOptions" Value="Center"/>
<Setter Property="VerticalOptions" Value="Center" />
<Setter Property="TextColor" Value="Blue"/>
<Setter Property="FontSize" Value="20"/>
</Style>
<Style x:Key="baseStyle" TargetType="View">
<Setter Property="HorizontalOptions" Value="Center"/>
<Setter Property="VerticalOptions" Value="Center" />
</Style>
<Style x:Key="entryStyle" TargetType="Entry" BasedOn="{StaticResource baseStyle}">
<Setter Property="TextColor" Value="Green"/>
</Style>
</ResourceDictionary>
</ContentPage.Resources>
<ContentPage.Content>
<StackLayout Padding="20">
<Label Text="This is label 1 using implicit style"/>
<Label Text="This is label 2"/>
<Button
Text="Not using the button style"
BorderWidth="2"
HorizontalOptions="Center"
VerticalOptions="Center"
WidthRequest="200"/>
<Button Style="{StaticResource buttonStyle}"
Text="Using explicit style"
BorderWidth="2"
WidthRequest="200"/>
<Entry Style="{StaticResource entryStyle}" Placeholder="This enty uses an inherited style"/>
<Button Style="{StaticResource buttonStyle}"
Text="Using explicit style"
BorderWidth="2"
WidthRequest="200"/>
</StackLayout>
</ContentPage.Content>
</ContentPage>
<?xml version="1.0" encoding="utf-8" ?>
<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
xmlns:local="clr-namespace:Styles"
x:Class="Styles.MainPage">
<ContentPage.Resources>
<ResourceDictionary>
<Style x:Key="buttonStyle" TargetType="Button">
<Setter Property="HorizontalOptions" Value="Center"/>
<Setter Property="VerticalOptions" Value="Center" />
<Setter Property="TextColor" Value="Red"/>
<Setter Property="FontSize" Value="Small"/>
</Style>
<Style TargetType="Label">
<Setter Property="HorizontalOptions" Value="Center"/>
<Setter Property="VerticalOptions" Value="Center" />
<Setter Property="TextColor" Value="Blue"/>
<Setter Property="FontSize" Value="20"/>
</Style>
<Style x:Key="baseStyle" TargetType="View">
<Setter Property="HorizontalOptions" Value="Center"/>
<Setter Property="VerticalOptions" Value="Center" />
</Style>
<Style x:Key="entryStyle" TargetType="Entry" BasedOn="{StaticResource baseStyle}">
<Setter Property="TextColor" Value="Green"/>
</Style>
</ResourceDictionary>
</ContentPage.Resources>
<ContentPage.Content>
<StackLayout Padding="20">
<Label Text="This is label 1 using implicit style"/>
<Label Text="This is label 2"/>
<Button
Text="Not using the button style"
BorderWidth="2"
HorizontalOptions="Center"
VerticalOptions="Center"
WidthRequest="200"/>
<Button Style="{StaticResource buttonStyle}"
Text="Using explicit style"
BorderWidth="2"
WidthRequest="200"/>
<Entry Style="{StaticResource entryStyle}" Placeholder="This enty uses an inherited style"/>
<Button Style="{StaticResource buttonStyle}"
Text="Using explicit style"
BorderWidth="2"
WidthRequest="200"/>
</StackLayout>
</ContentPage.Content>
</ContentPage>