static void Main(string[] args)
{
var dbTest = new Dbtest();
Console.WriteLine("connect");
dbTest.connect();
Console.WriteLine("insert data");
dbTest.insertData("11-21-31", "company1", 100);
dbTest.insertData("12-22-32", "company2", 200);
dbTest.insertData("13-23-33", "company3", 300);
dbTest.insertData("14-24-34", "company4", 340);
Console.WriteLine("select data");
dbTest.selectAndPrint();
Console.WriteLine("wipe data");
dbTest.wipeData();
Console.ReadKey();
}