DataSet.WriteXml : DataSet « System.Data « C# / C Sharp by API

1. C# / C Sharp by API
2. System.Data
3. DataSet

DataSet.WriteXml

  
   
using System;
using System.Data;
using System.Data.SqlClient;

class WriteAndReadXML {
    public static void Main() {
        SqlConnection mySqlConnection = new SqlConnection("server=localhost;database=Northwind;uid=sa;pwd=sa");

        SqlCommand mySqlCommand = mySqlConnection.CreateCommand();
        mySqlCommand.CommandText =
          "SELECT TOP 2 CustomerID, CompanyName, ContactName, " +
          "Address " +
          "FROM Customers " +
          "ORDER BY CustomerID";
        SqlDataAdapter mySqlDataAdapter = new SqlDataAdapter();
        mySqlDataAdapter.SelectCommand = mySqlCommand;
        DataSet myDataSet = new DataSet();
        mySqlConnection.Open();
        mySqlDataAdapter.Fill(myDataSet, "Customers");
        mySqlConnection.Close();

        myDataSet.WriteXml("myXmlFile.xml");

        myDataSet.WriteXml("myXmlFile2.xml", XmlWriteMode.WriteSchema);

        myDataSet.WriteXmlSchema("myXmlSchemaFile.xml");

        myDataSet.Clear();

        myDataSet.ReadXml("myXmlFile.xml");

        DataTable myDataTable = myDataSet.Tables["Customers"];
        foreach (DataRow myDataRow in myDataTable.Rows) {
            Console.WriteLine("CustomerID = " + myDataRow["CustomerID"]);
            Console.WriteLine("CompanyName = " + myDataRow["CompanyName"]);
            Console.WriteLine("ContactName = " + myDataRow["ContactName"]);
            Console.WriteLine("Address = " + myDataRow["Address"]);
        }
    }
}

   
    
  

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