我有以下设置:筛选使用XPath将删除选定的组合框被结合价值
这是主屏幕:
<ListView Name="lineData" Grid.Row="2" ItemsSource="{Binding ElementName=This, Path=LineInformation, ValidatesOnDataErrors=True}"
ItemContainerStyle="{StaticResource ItemStyle}" PreviewMouseUp="lineData_PreviewMouseUp" SelectedIndex="0"
Foreground="{StaticResource {x:Static SystemColors.ControlTextBrushKey}}">
<ListView.View>
<GridView x:Name="gridViewItems" AllowsColumnReorder="false">
<GridViewColumn Header="Product" Width="Auto">
<GridViewColumn.CellTemplate>
<DataTemplate>
<StackPanel Orientation="Horizontal">
<ComboBox Name="descriptionComboBox" Loaded="description_Loaded"
DisplayMemberPath="Description" SelectedItem="{Binding Path=Product}" SourceUpdated="descriptionComboBox_SourceUpdated"
MinWidth="200" Width="Auto" SelectionChanged="description_SelectionChanged" TargetUpdated="descriptionComboBox_TargetUpdated">
<ComboBox.ItemsSource>
<Binding Source="{StaticResource XmlFile}" />
</ComboBox.ItemsSource>
</ComboBox>
</StackPanel>
</DataTemplate>
</GridViewColumn.CellTemplate>
</GridViewColumn>
</GridView>
</ListView.View>
</ListView>
该屏幕有一个按钮,调用一个新的窗口,像这样:
Window newWindow = new Window();
buildWindow.Owner = this; //MainWindow is the owner
buildWindow.ShowDialog();
这个新窗口会过滤出在从这样的第一窗口组合框的值:
XmlDataProvider provider = Owner.FindResource("XmlFile") as XmlDataProvider;
provider.XPath = _configuration.CreateFilterQuery();
provider.Refresh();
所以组合框具有绑定到这个XmlFile。我遇到的问题是,现在我需要保持组合框中显示的值,如果它们属于新过滤器的类别。
但是,当我打电话.REFRESH()函数组合框的选择索引重置。
任何想法如何保持应用XPath查询后显示的文字?
谢谢,问候。