我有一个WPF应用程序。我有两个数据网格,一个包含一个指标列表,另一个要显示顶部数据网格的所选指标的更多详细信息。
但是,我的详细信息网格不显示任何数据,我无法弄清原因。我应该指出,主数据网格正在很好地填充。我已经在属性IndicatorSelected的 setter 中稍作休息,可以看到在选择一个项目时正在调用它,并且看到数据是正确的,但未在详细数据网格中显示。
XAML
<DataGrid x:Name="dgModels" Grid.Column="0"
ItemsSource="{Binding Path=IndicatorList}"
SelectedItem="{Binding Path=IndicatorSelected}"
AutoGenerateColumns="false">
<DataGrid.Columns>
<DataGridTextColumn Header="Model" Binding="{Binding Name}" IsReadOnly="True"/>
<DataGridCheckBoxColumn Header="Run" Binding="{Binding Run}" IsReadOnly="false"/>
</DataGrid.Columns>
</DataGrid>
<DataGrid x:Name="dgParameterInfo" Grid.Column="1"
ItemsSource="{Binding Path=IndicatorSelected}"
AutoGenerateColumns="false">
<DataGrid.Columns>
<DataGridTextColumn Header="Parameter Name" Binding="{Binding Path=Name}" IsReadOnly="True"/>
<DataGridTextColumn Header="Default Value" Binding="{Binding Path=DefaultValue}" IsReadOnly="True"/>
<DataGridTextColumn Header="Run Value" Binding="{Binding Path=RunValue}" IsReadOnly="True"/>
<DataGridTextColumn Header="Parameter Type" Binding="{Binding Path=ParaType}" IsReadOnly="True"/>
</DataGrid.Columns>
</DataGrid>
C#
class ViewModel : INotifyPropertyChanged
{
List<IndicatorWrapper> _indicatorList;
IndicatorWrapper _indicatorWrapper;
public List<IndicatorWrapper> IndicatorList
{
get { return _indicatorList; }
set
{
_indicatorList = value;
OnPropertyChanged("IndicatorList");
}
}
public IndicatorWrapper IndicatorSelected
{
get { return _indicatorWrapper; }
set
{
_indicatorWrapper = value;
OnPropertyChanged("IndicatorWrapper");
}
}
public ViewModel()
{
DatabaseRetrieveSimulator db = new DatabaseRetrieveSimulator();
IndicatorList = db.GetIndicators();
}
}
最佳答案
在您的IndicatorSelected setter中,您正在使用IndicatorWrapper调用OnPropertyChanged ...它应该是IndicatorSelected :)
关于c# - WPF Datagrid主详细信息MVVM,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/20387993/