[英]Why doesn't TextBox bind to Label in my XAML code?
wpf應用程序的新功能。 我嘗試實現此代碼,但是無論我在文本框中輸入什么,標簽始終為空:
<Window x:Class="Mufu.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="Muf(u)" Height="350" Width="525">
<Grid>
<TextBox Height="23" HorizontalAlignment="Left" Margin="100,200,0,0" Name="textBox3" VerticalAlignment="Top" Width="124" />
<Label Content="{Binding ElementName=textbox3, Path=Text}" Height="48" HorizontalAlignment="Center" Margin="0,30,0,0" Name="label4" VerticalAlignment="Top" Width="445" FontSize="26" />
</Grid>
這是因為textbox3
和textBox3
是不同的名稱。 只需更改大小寫,它將起作用
<Stackpanel>
<TextBox Height="23" HorizontalAlignment="Left" Margin="100,200,0,0" Name="textBox3" VerticalAlignment="Top" Width="124" />
<Label Content="{Binding ElementName=textbox3, Path=Text}" Height="48" HorizontalAlignment="Center" Margin="0,30,0,0" Name="label4" VerticalAlignment="Top" Width="445" FontSize="26" />
</Stackpanel>
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