private void SortRecursiveTable(ref MainDataSet.ArticleDataTable output, ref MainDataSet.ArticleDataTable input, Guid? parentArticleId)
{
OrderedEnumerableRowCollection<MainDataSet.ArticleRow> query = null;
if (parentArticleId.HasValue)
query = input.Where(w => w.IsParentArticleGuidNull() ? false : w.ParentArticleGuid.Equals(parentArticleId.Value)).OrderBy(o => o.Subject);
else
query = input.Where(w => w.IsParentArticleGuidNull()).OrderBy(o => o.Subject);
foreach (MainDataSet.ArticleRow row in query)
{
output.ImportRow(row);
SortRecursiveTable(ref output, ref input, row.ArticleGuid);
}
}
