これを行うための可能な方法の1つ-コンバーターを使用します。xml
ただし、データとデータを接続するフィールドまたはプロパティが必要ですsomeotherclass
。2つのコレクションをインデックスでつなぐサンプルアプリを作成しました。その助けを願っています。
ここにコードがあります:
MainWindow.xaml:
<Window x:Class="XmlAndSeparateSource.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:local="clr-namespace:XmlAndSeparateSource"
Title="MainWindow" Height="350" Width="525">
<Window.Resources>
<XmlDataProvider x:Key="TechSource" Source="tech.xml" XPath="Tech/item" />
<local:RowNumberConverter x:Key="rowNumberConverter" />
</Window.Resources>
<Grid>
<DataGrid ItemsSource="{Binding }"
AutoGenerateColumns="False">
<DataGrid.Columns>
<DataGridTextColumn Header="xml">
<DataGridTextColumn.Binding>
<MultiBinding Converter="{StaticResource rowNumberConverter}">
<Binding Source="{StaticResource TechSource}" />
<Binding RelativeSource="{RelativeSource FindAncestor, AncestorType={x:Type DataGrid}}" />
<Binding />
</MultiBinding>
</DataGridTextColumn.Binding>
</DataGridTextColumn>
<DataGridTextColumn Header="string" Binding="{Binding}" />
</DataGrid.Columns>
</DataGrid>
</Grid>
</Window>
MainWindow.cs
namespace XmlAndSeparateSource
{
/// <summary>
/// Interaction logic for MainWindow.xaml
/// </summary>
public partial class MainWindow : Window
{
public MainWindow()
{
DataContext = new List<string>()
{
"str1",
"str2",
"str3",
"str4",
};
InitializeComponent();
}
}
}
RowNumberConverter.cs:
class RowNumberConverter : IMultiValueConverter
{
public object Convert(object[] values, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
//get the grid and the item
IEnumerable<XmlNode> xml = values[0] as IEnumerable<XmlNode>;
DataGrid grid = values[1] as DataGrid;
Object item = values[2];
int index = grid.Items.IndexOf(item);
return xml.ElementAt(index).Attributes.GetNamedItem("NAME").Value;
}
public object[] ConvertBack(object value, Type[] targetTypes, object parameter, System.Globalization.CultureInfo culture)
{
throw new NotImplementedException();
}
}
tech.xml:
<Tech>
<item ID="1" CATEGORY="example_1" NAME="example1" MIN_LEVEL1 ="1" MAX_LEVEL1 ="10"/>
<item ID="2" CATEGORY="example_2" NAME="example2" MIN_LEVEL1 ="1" MAX_LEVEL1 ="10"/>
<item ID="3" CATEGORY="example_3" NAME="example3" MIN_LEVEL1 ="1" MAX_LEVEL1 ="10"/>
<item ID="102" CATEGORY="example_1222" NAME="example1333" MIN_LEVEL1 ="1" MAX_LEVEL1 ="10"/>
</Tech>