System.Xml.XmlDataDocument.FindAssociatedParentColumn C# (CSharp) Méthode

        private DataColumn FindAssociatedParentColumn(DataRelation relation, DataColumn childCol)
        {
            DataColumn[] columns = relation.ChildKey.ColumnsReference;
            for (int i = 0; i < columns.Length; i++)
            {
                if (childCol == columns[i])
                    return relation.ParentKey.ColumnsReference[i];
            }
            return null;
        }