public void AddUpdateContact(string name, string category, string phoneNumber, string emailAddress)
{
if (dataModel.NameIsValid(name) == false)
{
mainView.DisplayErrorMessage("The name is invalid");
return;
}
if (dataModel.EmailAddressIsValid(emailAddress) == false)
{
mainView.DisplayErrorMessage("The email address is invalid");
return;
}
dataModel.AddUpdateContact(name, category, phoneNumber, emailAddress);
mainView.AddUpdateContactInGrid(name, category, phoneNumber, emailAddress);
}
