<toolkit:DataGridComboBoxColumn x:Name="DgCbcSignal" Header="信號源" 
                                                        SelectedItemBinding="{Binding SelectedSignal}" 
                                                        >
                            <
 
toolkit:DataGridComboBoxColumn.ElementStyle>
                                <Style TargetType="ComboBox">
                                    <Setter Property="ItemsSource" Value="{Binding Path=Signals}" />
                                </Style>
                            </
 
toolkit:DataGridComboBoxColumn.ElementStyle>
                            <toolkit:DataGridComboBoxColumn.EditingElementStyle>
                                <Style TargetType="ComboBox">
                                    <Setter Property="ItemsSource" Value="{Binding Path=Signals}
 
" />
                                </Style>
                            </toolkit:DataGridComboBoxColumn.EditingElementStyle>
                        </toolkit:DataGridComboBoxColumn> 

按照上述方法能做到每行單獨綁定。

WPF DataGrid 每行ComboBox 內容不同的設置方法