private bool isValidTransfer(decimal max)
{
string temp = tbAmount.Text;
return(Validator.IsPresent(temp) &&
Validator.IsDecimal(temp) &&
Validator.IsInRange(Convert.ToDecimal(temp), 0.00m, max));
}
private decimal withdrawalProcess(decimal withdrawal, decimal fromAccount)
{
if (Validator.IsInRange(withdrawal, 0.00m, fromAccount))
{
return(Math.Round((fromAccount -= withdrawal), 2, MidpointRounding.AwayFromZero));
}
else
{
errorMessage("Incorrect amount to withdraw. Please try again.");
return(fromAccount);
}
}