DataGridComboBoxColumn使用示例
时间: 2024-02-04 19:04:24 浏览: 52
可以通过以下步骤使用DataGridComboBoxColumn:
1. 在XAML文件中,添加DataGrid控件和DataGridComboBoxColumn:
```
<DataGrid ItemsSource="{Binding MyItems}">
<DataGrid.Columns>
<DataGridComboBoxColumn Header="Combo Column"
SelectedItemBinding="{Binding MySelectedItem}"
ItemsSource="{Binding MyComboItems}"
DisplayMemberPath="Name"/>
...
</DataGrid.Columns>
</DataGrid>
```
2. 在ViewModel中,创建相关的属性和集合:
```
public class MainViewModel : INotifyPropertyChanged
{
private ObservableCollection<MyItem> _myItems;
public ObservableCollection<MyItem> MyItems
{
get { return _myItems; }
set { _myItems = value; OnPropertyChanged(); }
}
private ObservableCollection<ComboItem> _myComboItems;
public ObservableCollection<ComboItem> MyComboItems
{
get { return _myComboItems; }
set { _myComboItems = value; OnPropertyChanged(); }
}
private ComboItem _mySelectedItem;
public ComboItem MySelectedItem
{
get { return _mySelectedItem; }
set { _mySelectedItem = value; OnPropertyChanged(); }
}
public MainViewModel()
{
MyItems = new ObservableCollection<MyItem>();
// Populate MyItems collection with data
MyComboItems = new ObservableCollection<ComboItem>();
// Populate MyComboItems collection with data
}
// INotifyPropertyChanged implementation omitted for brevity
}
```
3. 在Model中,创建相关的数据模型:
```
public class MyItem
{
public int Id { get; set; }
public string Name { get; set; }
public ComboItem ComboProperty { get; set; }
}
public class ComboItem
{
public int Id { get; set; }
public string Name { get; set; }
}
```
注意,在使用DataGridComboBoxColumn时,需要确保SelectedItemBinding属性绑定的是一个属性对象,而不是其他类型的数据。此外,需要保证ItemsSource属性绑定的是一个实现了IEnumerable接口的集合对象。
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