Generic SqlDataReader to List<OrderedDictionary>

SqlQueryReader.cs

private static List<OrderedDictionary> TrySqlQuery(string sqlQuery)
        {
            List<OrderedDictionary> sqlResults = new List<OrderedDictionary>();
            using (SqlConnection conn = new SqlConnection(connectionString))
            {
                try
                {
                    conn.Open();
                    using (SqlCommand _cmd = new SqlCommand(sqlQuery, conn))
                    {
                        SqlDataReader _reader = _cmd.ExecuteReader();
                        string columnName;
                        OrderedDictionary row;
                        while (_reader.Read())
                        {
                            row = new OrderedDictionary();
                            for (int i = 0; i < _reader.FieldCount; i++)
                            {
                                columnName = _reader.GetName(i);
                                row.Add(columnName, _reader[columnName]);
                            }
                            sqlResults.Add(row);
                        }
                    }
                }
                catch (SqlException e)
                {

                }
            }
            return sqlResults;
        }