System.Xml.DataSetMapper.AddColumnSchema C# (CSharp) Méthode

        private void AddColumnSchema(DataColumn col)
        {
            DataTable table = col.Table;
            object idTable = GetIdentity(table.EncodedTableName, table.Namespace);
            object idColumn = GetIdentity(col.EncodedColumnName, col.Namespace);

            Hashtable columns = (Hashtable)_columnSchemaMap[idTable];
            if (columns == null)
            {
                columns = new Hashtable();
                _columnSchemaMap[idTable] = columns;
            }
            columns[idColumn] = col;
        }
        private static object GetIdentity(string localName, string namespaceURI)