编辑DataGrid行中的其他单元格后，更新其中的其他单元格

private void DataGrid_CellEditEnding(object sender, DataGridCellEditEndingEventArgs e)
{
    DataGrid dataGrid = (DataGrid)sender;
    DataGridRow row = (DataGridRow)dataGrid.ItemContainerGenerator.ContainerFromIndex(dataGrid.SelectedIndex);
    
    // 获取正在编辑的单元格的行和列索引
    int editedRowIndex = dataGrid.SelectedIndex;
    int editedColumnIndex = dataGrid.CurrentCell.Column.DisplayIndex;
    
    // 获取其他需要更新的单元格的位置
    int otherColumnIndex = 0; // 假设需要更新的单元格在第一列
    
    // 获取行数据对象
    YourDataObject rowData = (YourDataObject)row.Item;
    
    // 获取其他需要更新的单元格的值
    string otherCellValue = rowData.OtherColumnValue;
    
    // 更新其他单元格的值
    DataGridCell otherCell = GetCell(dataGrid, row, otherColumnIndex);
    if (otherCell != null)
    {
        TextBlock textBlock = otherCell.Content as TextBlock;
        if (textBlock != null)
        {
            textBlock.Text = otherCellValue;
        }
    }
}

private DataGridCell GetCell(DataGrid dataGrid, DataGridRow row, int columnIndex)
{
    if (row != null)
    {
        DataGridCellsPresenter presenter = GetVisualChild<DataGridCellsPresenter>(row);
        if (presenter != null)
        {
            DataGridCell cell = (DataGridCell)presenter.ItemContainerGenerator.ContainerFromIndex(columnIndex);
            if (cell == null)
            {
                dataGrid.ScrollIntoView(row, dataGrid.Columns[columnIndex]);
                cell = (DataGridCell)presenter.ItemContainerGenerator.ContainerFromIndex(columnIndex);
            }
            return cell;
        }
    }
    return null;
}

private childItem GetVisualChild<childItem>(DependencyObject obj) where childItem : DependencyObject
{
    int childrenCount = VisualTreeHelper.GetChildrenCount(obj);
    for (int i = 0; i < childrenCount; i++)
    {
        DependencyObject child = VisualTreeHelper.GetChild(obj, i);
        if (child != null && child is childItem)
        {
            return (childItem)child;
        }
        else
        {
            childItem childOfChild = GetVisualChild<childItem>(child);
            if (childOfChild != null)
            {
                return childOfChild;
            }
        }
    }
    return null;
}