我在列表视图中绑定组合框的数据时遇到了一个问题。我有两个类:
该事务具有衬底的属性,并且该事务被保存在数据库中。在程序开始时,我希望将所有事务加载为列表,并在ListView中显示它们。每种基材的可能性都应显示在选择实际基材的组合框中。
我试过像这样的XAML
<ListView.View>
<GridView>
<GridViewColumn Header="Menge">
<GridViewColumn.CellTemplate>
<DataTemplate>
<TextBox Text="{Binding Path=Amount}" />
</DataTemplate>
</GridViewColumn.CellTemplate>
</GridViewColumn>
<GridViewColumn Header="Substrate">
<GridViewColumn.CellTemplate>
<DataTemplate>
<ComboBox
ItemsSource="{Binding ElementName=InternTransaction, Path=SubstrateList}"
DisplayMemberPath="Description"
SelectedValuePath="SubstrateID"
SelectedItem="{Binding Path=Substrate.SubstrateID}">
</ComboBox>
</DataTemplate>
</GridViewColumn.CellTemplate>
</GridViewColumn>
</GridView>
</ListView.View>
代码隐藏
public partial class UCInternTransaction : UserControl
{
#region Attribute
private BsCBTTransactionController mTransactionController;
private ObservableCollection<BsCBTSubstrate> mSubstrateList;
#endregion
public UCInternTransaction()
{
InitializeComponent();
//Load Transactions
this.mTransactionController = WpfBioGas.Core.BsCAppFactory.getInstance().getCBTTransactionController();
this.mTransactionController.loadTransactions();
this.DataContext = this.mTransactionController.TransactionList;
loadData();
}
private void loadData()
{
//Load Substrate and bind to CBSubstrate
this.mSubstrateList = new ObservableCollection<BsCBTSubstrate>();
foreach (BsCBTSubstrate sub in WpfBioGas.Core.BsCAppFactory.getInstance().getBTFacade().BsBTSubstrate.loadAll())
{
this.mSubstrateList.Add(sub);
}
}
public ObservableCollection<BsCBTSubstrate> SubstrateList
{
get { return this.mSubstrateList; }
}
}
问题是列表的所有条目都显示在列表视图中,并且对于每一行,基底的所有可能性都在组合框中。但仅对于Listview的第一行,选择实际的衬底。
https://stackoverflow.com/questions/2221745
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