private void ValidateSave(ref ArrayList validationErrors)
        {
            if (ContactType.Trim() == "")
            {
                validationErrors.Add("The Contact Type is required.");
            }

            if (LastName.Trim() == "")
            {
                validationErrors.Add("The Last Name is required.");
            }

            if (FirstName.Trim() == "")
            {
                validationErrors.Add("The First Name is required.");
            }

            if (Gender.Trim() == "")
            {
                validationErrors.Add("The Gender is required.");
            }
        }