Manual Loopup for Oracle database : Oracle « ADO.Net « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. ADO.Net
3. Oracle

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Data.OracleClient;
  public class MainClass
  {

    public static void Main()
    {
      OracleConnection oraConn = new OracleConnection();

      string connString = "User Id=oranetuser; Password=demo; Data Source=oranet";
      if (oraConn.State != ConnectionState.Open)
      {
        try
        {
          oraConn.ConnectionString = connString;
          oraConn.Open();
          MessageBox.Show(oraConn.ConnectionString, "Successful Connection");
        }
        catch (Exception ex)
        {
          MessageBox.Show(ex.Message,"Exception Caught");
        }
      }

      if (oraConn.State == ConnectionState.Open)
      {
        string sqlLookup = "select last_name, first_name, from PlayerTable ";
        sqlLookup += "where player_num = :player_num";

        OracleCommand cmdLookup = new OracleCommand();
        cmdLookup.CommandText = sqlLookup;
        cmdLookup.Connection = oraConn;

        OracleParameter pPlayerNum = new OracleParameter();
        pPlayerNum.DbType = DbType.Decimal;
        pPlayerNum.Value = 10;
        pPlayerNum.ParameterName = "player_num";

        cmdLookup.Parameters.Add(pPlayerNum);

        OracleDataReader dataReader = cmdLookup.ExecuteReader();

        if (dataReader.Read()){
          Console.WriteLine(dataReader.GetString(0));
          Console.WriteLine(dataReader.GetString(1));
          Console.WriteLine(dataReader.GetString(2));
          Console.WriteLine(dataReader.GetString(3));
        }else{
          MessageBox.Show("No record for Player Number Found" , "No Record Found");
        }

        dataReader.Close();
        dataReader.Dispose();
        cmdLookup.Dispose();
      }
    }
  }