I have the following code:
<DataGridTemplateColumn Header="Security">
<DataGridTemplateColumn.CellTemplate>
<DataTemplate>
<Button Name="Security" Content="{Binding Path=totalSecurities}"
Command="{Binding Source={StaticResource viewModel}, Path=filterGridCommand}">
<Button.CommandParameter>
<MultiBinding Converter="{StaticResource PassThroughConverter}">
<Binding Path="sector"/>
<Binding ElementName="Security" Path="Name"/>
</MultiBinding>
</Button.CommandParameter>
</Button>
</DataTemplate>
</DataGridTemplateColumn.CellTemplate>
</DataGridTemplateColumn>
下面是PassThroughConverter的代码:
public class PassThroughConverter : IMultiValueConverter
{
public object Convert(object[] values, Type targetType, object parameters, CultureInfo culture)
{
return values;
}
public object[] ConvertBack(object value, Type[] targetType, object parameter, CultureInfo culture)
{
throw new NotImplementedException();
}
}
当我开始调试时,一旦到达返回值行,数组中的正确值就在那里。但是当我按下触发filtergridcommand的按钮时,返回的值都为空?有人能帮忙吗?谢谢。