private bool StorePatient()
        {
            PatientGender gender = (PatientGender)(-1);

            if (radioButtonGenderMale.Checked)
            {
                gender = PatientGender.Male;
            }
            else if (radioButtonGenderFemale.Checked)
            {
                gender = PatientGender.Female;
            }

            PatientModel patient = new PatientModel
            {
                FirstName = textBoxFirstName.Text,
                LastName  = textBoxLastName.Text,
                Birthdate = dateTimePickerBirthdate.Value.ToShortDateString(),
                Gender    = gender
            };

            PatientValidator validator = new PatientValidator();

            ValidationResult results = validator.Validate(patient);

            if (results.IsValid == false)
            {
                MessageBox.Show(results.Errors[0].ToString());

                return(false);
            }

            SqliteDataAccess.SavePatient(patient);

            ResetForm();

            return(true);
        }