using System;
using System.Data;
using System.Data.SqlClient;
class Program
{
static void Main(string[] args)
{
string sqlConnectString = "Data Source=(local);" +
"Integrated security=SSPI;Initial Catalog=AdventureWorks;";
SqlConnection connection = new SqlConnection(sqlConnectString);
string selectText = "SELECT COUNT(*) FROM Person.Contact";
SqlCommand command = new SqlCommand(selectText, connection);
connection.Open( );
int recordCount = (int)command.ExecuteScalar( );
connection.Close( );
Console.WriteLine(recordCount);
}
}