using System;
using System.Data;
using System.Data.SqlClient;
class MainClass
{
public static void Main()
{
string connectionString ="server=localhost;database=Northwind;uid=sa;pwd=sa";
SqlConnection mySqlConnection = new SqlConnection(connectionString);
string selectString = "SELECT ID, FirstName FROM Employee";
SqlCommand mySqlCommand = mySqlConnection.CreateCommand();
mySqlCommand.CommandText = selectString;
SqlDataAdapter mySqlDataAdapter = new SqlDataAdapter();
mySqlDataAdapter.SelectCommand = mySqlCommand;
DataSet myDataSet = new DataSet();
mySqlConnection.Open();
string dataTableName = "Employee";
mySqlDataAdapter.Fill(myDataSet, dataTableName);
DataTable myDataTable = myDataSet.Tables[dataTableName];
foreach (DataRow myDataRow in myDataTable.Rows)
{
Console.WriteLine("ID = " + myDataRow["ID"]);
Console.WriteLine("FirstName = " + myDataRow["FirstName"]);
}
mySqlConnection.Close();
}
}