Retrieving data from database using SQLITE SqlDataReader

main.cs

public List<Primary> GetAll()
{
    var primaryList = new List<Primary>();
    using (SQLiteConnection conn = new SQLiteConnection("Data Source=data.db;Version=3;"))
    {
        conn.Open();
        string sql = "SELECT * FROM PrimaryReader";

        using (SQLiteCommand cmd = new SQLiteCommand(sql, conn))
        {
            SQLiteDataReader reader = cmd.ExecuteReader();
            {
                while (reader.Read())
                {
                   primaryList.Add(new Primary()
                   {
                       Id = int.Parse(reader["Id"].ToString()),
                       Label = reader["Label"].ToString(),
                       Flag = int.Parse(reader["Flag"].ToString()),
                       Timestamp = DateTime.Parse(reader["Timestamp"].ToString())
                 });
                }
            }
        }
    }

    return primaryList;
}

PrimaryModel.cs

 public class Primary
  {
      public int Id { get; set; }
      public string Label { get; set; }
      public int Flag { get; set; }
      public DateTime Timestamp{ get; set; }
  }