public int Insert(Patient aPatient)
        {
            string query = "insert into patient_tbl values ('" + aPatient.VoterId + "','" + aPatient.Name + "','" + aPatient.Adress + "','" + aPatient.Age + "')";
            SqlConnection aConnection = new SqlConnection(conncetionStr);
            SqlCommand aCommand = new SqlCommand(query, aConnection);

            aConnection.Open();
            int rowAffect = aCommand.ExecuteNonQuery();
            aConnection.Close();

            return rowAffect;
        }
 public void Insert(Patient aPatient)
 {
     aPatientGateway.Insert(aPatient);
 }