Use to OleDbDataReader retrieve data : OleDbDataReader « ADO.Net « C# / CSharp Tutorial

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C# / CSharp Tutorial » ADO.Net » OleDbDataReader 
32.11.2.Use to OleDbDataReader retrieve data
using System;
using System.Data;
using System.Data.OleDb;

class MainClass
{
  static void Main(string[] args)
  {
        string ConnectionString = @"Provider=Microsoft.Jet.OLEDB.4.0; Data Source=c:\Northwind.mdb";
        string SQL = "SELECT * FROM Orders";

        OleDbConnection conn = new OleDbConnection(ConnectionString);       
        OleDbCommand cmd = new OleDbCommand(SQL);
        cmd.Connection = conn;

        conn.Open();
        OleDbDataReader reader = cmd.ExecuteReader();
        try 
        {
            while (reader.Read()) 
            {
                Console.Write("OrderID:"+reader.GetInt32(0).ToString() );
                Console.Write(" ,");
                Console.WriteLine("Customer:" + reader.GetString(1).ToString() );
            }
        }
        finally 
        {
            reader.Close();
            conn.Close();
        }   
  }
}
 
OrderID:10330 ,Customer:LILAS
OrderID:10331 ,Customer:BONAP
OrderID:10332 ,Customer:MEREP
OrderID:10333 ,Customer:WARTH
OrderID:10334 ,Customer:VICTE
...
...
32.11.OleDbDataReader
32.11.1.Read result set from OleDbDataReader
32.11.2.Use to OleDbDataReader retrieve data
32.11.3.OleDbDataAdapter and SqlDataAdapter: UpdateOleDbDataAdapter and SqlDataAdapter: Update
32.11.4.Typed Accessors
32.11.5.Get SchemaTable from OleDbDataReader
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