将datagrid绑定到ObservableCollection列表

时间:2014-05-17 07:52:29

标签: c# wpf

我是WPF的新手,我想从xaml绑定到ObservableCollection。目前我这样做:

xaml中的

<Grid Grid.Column="1">
            <local:ProcessingStep DataContext="{Binding ProcessingSteps[0]}" HorizontalAlignment="Stretch" VerticalAlignment="Stretch"/>
</Grid>
<Grid Grid.Column="2">
<local:ProcessingStep DataContext="{Binding ProcessingSteps[1]}" HorizontalAlignment="Stretch" VerticalAlignment="Stretch"/>
</Grid>
<Grid Grid.Column="3">
     <local:ProcessingStep DataContext="{Binding ProcessingSteps[2]}" HorizontalAlignment="Stretch" VerticalAlignment="Stretch"/>
</Grid>

in cs:

public ObservableCollection<ProcessingStepView> ProcessingSteps
{
     get
     {
        return m_ProcessingSteps ??
             (m_ProcessingSteps = new ObservableCollection<ProcessingStepViewl>
                       {
                           new ProcessingStepView("Step1"),
                           new ProcessingStepView("Step2"),
                           new ProcessingStepView("Step3")
                       });
      }
}

如何将列表直接绑定到wpf?例如:如果我有100个步骤,那么逐个进行是不好的。

1 个答案:

答案 0 :(得分:2)

您可以将ItemsControlItemTemplate一起使用并绑定您的列表:

<ItemsControl ItemsSource="{Binding ProcessingSteps}">
    <ItemsControl.ItemsPanel>
        <ItemsPanelTemplate>
            <StackPanel Orientation="Horizontal"/>
        </ItemsPanelTemplate>
    </ItemsControl.ItemsPanel>
    <ItemsControl.ItemTemplate>
        <DataTemplate>
            <local:ProcessingStep />
        </DataTemplate>
    </ItemsControl.ItemTemplate>
</ItemsControl>

ItemsControl基本上只是一个转发器,没有选择,会在ItemTemplate中重复ProcessingSteps个项目的次数,并将它们放在您选择的任何面板中。在这种情况下,水平StackPanel