System.Data.DataTable.WriteXml C# (CSharp) Method

        public void WriteXml(XmlWriter writer, XmlWriteMode mode, bool writeHierarchy)
        {
            long logScopeId = DataCommonEventSource.Log.EnterScope("<ds.DataTable.WriteXml|API> {0}, mode={1}", ObjectID, mode);
            try
            {
                if (_tableName.Length == 0)
                {
                    throw ExceptionBuilder.CanNotSerializeDataTableWithEmptyName();
                }
                // Generate SchemaTree and write it out
                if (writer != null)
                {
                    if (mode == XmlWriteMode.DiffGram)
                    {
                        // Create and save the updates
                        new NewDiffgramGen(this, writeHierarchy).Save(writer, this);
                    }
                    else
                    {
                        // Create and save xml data
                        if (mode == XmlWriteMode.WriteSchema)
                        {
                            DataSet ds = null;
                            string tablenamespace = _tableNamespace;
                            if (null == DataSet)
                            {
                                ds = new DataSet();

                                // if user set values on DataTable, it isn't necessary
                                // to set them on the DataSet because they won't be inherited
                                // but it is simpler to set them in both places

                                // if user did not set values on DataTable, it is required
                                // to set them on the DataSet so the table will inherit
                                // the value already on the Datatable
                                ds.SetLocaleValue(_culture, _cultureUserSet);
                                ds.CaseSensitive = CaseSensitive;
                                ds.Namespace = Namespace;
                                ds.RemotingFormat = RemotingFormat;
                                ds.Tables.Add(this);
                            }

                            if (writer != null)
                            {
                                XmlDataTreeWriter xmldataWriter = new XmlDataTreeWriter(this, writeHierarchy);
                                xmldataWriter.Save(writer, /*mode == XmlWriteMode.WriteSchema*/true);
                            }
                            if (null != ds)
                            {
                                ds.Tables.Remove(this);
                                _tableNamespace = tablenamespace;
                            }
                        }
                        else
                        {
                            XmlDataTreeWriter xmldataWriter = new XmlDataTreeWriter(this, writeHierarchy);
                            xmldataWriter.Save(writer,/*mode == XmlWriteMode.WriteSchema*/ false);
                        }
                    }
                }
            }
            finally
            {
                DataCommonEventSource.Log.ExitScope(logScopeId);
            }
        }

        static void Main(string[] args)
        {
     // Создание Таблицы DataTable с именем "Cars"
            DataTable tablCars = new DataTable("Cars");
            // Создание столбцов
            DataColumn carsId = new DataColumn("Id", typeof(int));
            DataColumn carsName = new DataColumn("Name", typeof(string));
            DataColumn carsCountry = new DataColumn("Country", typeof(string));
            DataColumn carsPrice = new DataColumn("Price", typeof(double));
            tablCars.Columns.AddRange(new DataColumn[] { carsId, carsName, carsCountry, carsPrice });
            // Создание строки с данными 
            DataRow newRow1 = tablCars.NewRow();
            newRow1["Name"] = "BMW"; newRow1["Country"] = "Germany";
            newRow1["Price"] = "50000";
            tablCars.Rows.Add(newRow1);

            DataRow newRow2 = tablCars.NewRow();
            newRow2["Name"] = "Audi"; newRow2["Country"] = "Germany";
            newRow2["Price"] = "37500";
            tablCars.Rows.Add(newRow2);

            // Сохранить ТАБЛИЦЫ  tablCars  в виде XML
            tablCars.WriteXml("Cars.xml");
            tablCars.WriteXmlSchema("CarsSchema.xsd");
         

      // Создание Таблицы DataTable с именем "Drivers"
            DataTable tablDrivers = new DataTable("Drivers");
            // Создание столбцов
            DataColumn drId = new DataColumn("Id", typeof(int));
            DataColumn drName = new DataColumn("Name", typeof(string));
            DataColumn drAge = new DataColumn("Age", typeof(string));
            tablDrivers.Columns.AddRange(new DataColumn[] { drId, drName, drAge });
            // Создание строки с данными 
            DataRow newRow3 = tablDrivers.NewRow();
            newRow3["Name"] = "Ivan"; newRow3["Age"] = "33";
            tablDrivers.Rows.Add(newRow3);

            DataSet dataSet = new DataSet("AutoPark");
            dataSet.Tables.AddRange(new DataTable[] { tablCars, tablDrivers});


            // Сохранить DATASET  в виде XML
            dataSet.WriteXmlSchema("AutoParkSchema.xsd");
            dataSet.WriteXml("AutoPark.xml");
            
            
            // Очистить DataSet.
            dataSet.Clear();

            Console.WriteLine("XML успешно сформированы!");

            Console.ReadKey();

        }