Programme console qui insère les données dans une base précise en C#

public class Program
{
public static void Main(string[] args)
{

Console.WriteLine("This program will insert data in database");
SqlConnection sqlConnection = new SqlConnection(@"data source=NOMDUSERVEUR;initialcatalog=NOMBASEDEDONNES;user id=IDUSER;password=PASSWORD;Trusted_Connection=true;");
sqlConnection.Open();
// Insértion des comptes
for (int i = 0; i < 9000; i++)
{
String insertSql = String.Format("INSERT INTO [dbo].[Compte]([Login],[Email] ,[Nom], [Prenom],[Pays_Id],[Password],[isValid],[langue]) VALUES ('Login','XXX@yahoo.fr','XXX', 'XXXX',60,'111',1,null)");
SqlCommand sqlCommand = new SqlCommand(insertSql, sqlConnection);
sqlCommand.ExecuteNonQuery();
}
Console.ReadLine();