C# WPF TextBlock 文本绑定
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时间：2020-08-10 12:28:06 来源:igfitidea点击:
WPF TextBlock text Binding
提问by persianLife
the TextBlock binding does not work and I cant figure why...
TextBlock 绑定不起作用，我不知道为什么......
(This Code Works but the TextBlock does not get Updated )
（此代码有效，但 TextBlock 未更新）
XAML
XAML
<TextBlock x:Name="filterAllText"
Text="{Binding UpdateSourceTrigger=PropertyChanged}" />
Codebehind
代码隐藏
filterAllText.DataContext = LogSession.test.MyCoynt;
C#
C＃
public class Test : INotifyPropertyChanged {
public int myCoynt;
public int MyCoynt {
get { return myCoynt; }
set {
myCoynt = value;
NotifyPropertyChanged();
}
}
public event PropertyChangedEventHandler PropertyChanged;
protected virtual void NotifyPropertyChanged(
[CallerMemberName] String propertyName = "") {
PropertyChangedEventHandler handler = PropertyChanged;
if (handler != null) {
handler(this, new PropertyChangedEventArgs(propertyName));
}
}
采纳答案by Goanne
Try this:
尝试这个：
<TextBlock x:Name="filterAllText"
Text="{Binding UpdateSourceTrigger=PropertyChanged, Path=MyCoynt}" />
And set your DataContextlike:
并设置您的DataContext喜好：
filterAllText.DataContext = LogSession.test;
回答by blindmeis
<TextBlock x:Name="filterAllText" Text="{Binding Path=., UpdateSourceTrigger=PropertyChanged}" />
this should work but its not the usual way
这应该可行，但不是通常的方式
EDIT: the better way is the anwser from Goanne
编辑：更好的方法是来自 Goanne 的 anwser
