static void Main(string[] args)
{
var service = new ServiceFactory <TransactionService>().CreateTransaction();
var cmd = ShowCommand();
do
{
switch (cmd.ToLower())
{
case "add":
service.Add();
cmd = ShowCommand();
break;
case "get":
service.Get();
cmd = ShowCommand();
break;
case "exit":
Exit();
break;
}
} while (!string.Equals(cmd, null, StringComparison.Ordinal) && cmd != "exit");
}