public string EditCustomerName()
{
bool isValidName = false;
string userName = "";
while (isValidName == false)
{
userName = io.PromptUserForString("Please enter your company name ([a-z],[0-9], and commas and periods only): ");
if (userName == "")
{
return(userName);
}
if (io.ValidateName(userName) == false)
{
Console.WriteLine("Invalid character entered");
}
else
{
isValidName = true;
}
}
return(userName);
}