System.Xml.XPathNodePointer.GetNamespace C# (CSharp) Method

        private string GetNamespace(XmlBoundElement be, string name)
        {
            if (be == null)
                return null;
            XmlAttribute attr = null;
            if (be.IsFoliated)
            {
                attr = be.GetAttributeNode(name, StrReservedXmlns);
                if (attr != null)
                    return attr.Value;
                else
                    return null;
            }
            else
            { //defoliated so that we need to search through its column 
                DataRow curRow = be.Row;
                if (curRow == null)
                    return null;
                //going through its attribute columns
                DataColumn curCol = PreviousColumn(curRow, null, true);
                while (curCol != null)
                {
                    if (curCol.Namespace == StrReservedXmlns)
                    {
                        DataRowVersion rowVersion = (curRow.RowState == DataRowState.Detached) ? DataRowVersion.Proposed : DataRowVersion.Current;
                        return curCol.ConvertObjectToXml(curRow[curCol, rowVersion]);
                    }
                    curCol = PreviousColumn(curRow, curCol, true);
                }
                return null;
            }
        }