System.Data.XmlToDatasetMap.HandleSpecialColumn C# (CSharp) Method

        private void HandleSpecialColumn(DataColumn col, XmlNameTable nameTable, XmlNodeIdHashtable columns)
        {
            // if column name starts with xml, we encode it manualy and add it for look up
            Debug.Assert(col.ColumnName.StartsWith("xml", StringComparison.OrdinalIgnoreCase), "column name should start with xml");
            string tempColumnName;

            if ('x' == col.ColumnName[0])
            {
                tempColumnName = "_x0078_"; // lower case xml... -> _x0078_ml...
            }
            else
            {
                tempColumnName = "_x0058_"; // upper case Xml... -> _x0058_ml...
            }

            tempColumnName += col.ColumnName.Substring(1);

            if (nameTable.Get(tempColumnName) == null)
            {
                nameTable.Add(tempColumnName);
            }
            string columnNamespace = nameTable.Get(col.Namespace);
            XmlNodeIdentety idColumn = new XmlNodeIdentety(tempColumnName, columnNamespace);
            columns[idColumn] = col;
        }
    }