public static string OptionChoice()
{
string choice = Console.ReadLine();
//this is only checking that the string is not null or blank and within a range
while (string.IsNullOrEmpty(choice) || string.IsNullOrWhiteSpace(choice))
{
//this checks that input is a number
if (!int.TryParse(choice, out int result))
{
Console.Clear();
Console.WriteLine($"That input was not correct for Options");
CarLotPOS.Options();
choice = Console.ReadLine();
}
//this checks that if it's a number that is in a certain range
else if (result < 1 || result > 4)
{
Console.Clear();
Console.WriteLine($"That input was not correct for Options");
CarLotPOS.Options();
choice = Console.ReadLine();
}
//if it is a number and within the range then turn result into a string and hold that value in choice variable
else
{
choice = result.ToString();
}
}
return(choice);
}
static void Main(string[] args)
{
CarLotPOS.StartCarLotPOS();
}