WPF DataGrid ComboBoxColumn未插入值
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我有一个WPF数据网格，其中有一个组合框列和两个文本框列。在我的测试用例中，加载屏幕时，集合中有两行绑定了网格。如果我更改任何单元格的内容，它将正确更新。但是，如果将新行添加到网格，则当我更新组合框列中的值时，它不会在源集合中更新。文本框列对于新添加的行仍然可以正常工作。列的定义如下：
<DataGrid.Columns>
<DataGridComboBoxColumn Header=\"Type\" Width=\"*\" SelectedValueBinding=\"{Binding Mode=TwoWay, Path=Type.Id}\"
ItemsSource=\"{Binding Source={StaticResource PhoneTypeList}, Path=PhoneTypes}\"
SelectedValuePath=\"Id\" DisplayMemberPath=\"Type\" />
<DataGridTextColumn Binding=\"{Binding NotifyOnTargetUpdated=True, Path=Number, Mode=TwoWay, ValidatesOnExceptions=False}\" Header=\"Number\" Width=\"*\"/>
<DataGridTextColumn Binding=\"{Binding NotifyOnSourceUpdated=True, Path=Extension, ValidatesOnExceptions=False}\" Header=\"Extension\" Width=\"*\"/>
</DataGrid.Columns>
public ObservableCollection<PhoneNumber> PhoneNumbers
{
get
{
return _phoneNumbers;
}
set
{
if (value != _phoneNumbers)
{
_phoneNumbers = value;
OnPropertyChanged(\"PhoneNumbers\");
}
}
}
public class PhoneNumber : INotifyPropertyChanged
{
private string _number;
private string _extension;
private PhoneType _type;
public PhoneType Type { get { return _type; }
set { _type = value; OnPropertyChanged(\"Type\"); } }
public string Number
{
set
{
_number = value;
OnPropertyChanged(\"Number\");
}
get { return _number; }
}
public string Extension
{
set
{
_extension = value;
OnPropertyChanged(\"Extension\");
}
get { return _extension; }
}
public override string ToString()
{
return Number + (!string.IsNullOrEmpty(Extension) ? \" x \" + Extension : \"\");
}
public event System.ComponentModel.PropertyChangedEventHandler PropertyChanged;
private void OnPropertyChanged(string propertyName)
{
if (PropertyChanged != null)
PropertyChanged(this,
new System.ComponentModel.PropertyChangedEventArgs(propertyName));
}
}
没有找到相关结果
已邀请:
1 个回复
疾桓
PhoneNumber() { _type = new PhoneType(); }<DataGridComboBoxColumn Header=\"Type\" Width=\"*\" SelectedValueBinding=\"{Binding Mode=TwoWay, Path=Type}\" ItemsSource=\"{Binding Source={StaticResource PhoneTypeList}, Path=PhoneTypes}\" DisplayMemberPath=\"Type\" />