public void showCustomerList()
{
Console.Clear();
CustomerQueries customerQuery = new CustomerQueries();
var customerList = customerQuery.getCustomersAll();
Console.WriteLine("ID\tFirst Name\tLast Name\tPhonenumber");
foreach (var c in customerList)
{
Console.WriteLine($"{c.CustomerID}\t{c.FirstName}\t{c.LastName}\t{c.PhoneNumber}");
}
Console.WriteLine("Press enter to return to the menu");
Console.ReadLine();
}