如何使用 TextChanged 方法获取值 txtNmItem?
<TextBox Grid.Column="1" Name="txtNmItem" Background="#f3f3f3" BorderBrush="#f3f3f3" VerticalAlignment="top" Text="{Binding Path=sNmItem, Mode=TwoWay}">
<i:Interaction.Triggers>
<i:EventTrigger EventName="TextChanged">
<cmd:EventToCommand Command="{Binding ElementName=ListaItem,Path=DataContext.SalvarCommand}" PassEventArgsToCommand="True"/>
</i:EventTrigger>
</i:Interaction.Triggers>
</TextBox>
视图模型
public RelayCommand<object> SalvarCommand { get { return new RelayCommand<object>(Salvar); } }
private async void Salvar(object e)
{