public DataSetEnumerator(DataSet dataSet, string tableName = null) { if (dataSet == null) { throw new ArgumentNullException(nameof(dataSet), ArgumentHelper.NullParamMessage); } if (dataSet.Tables.Count == 0) { throw new InvalidOperationException("DataSet does not contain any table"); } DataTable dataTable; if (!string.IsNullOrWhiteSpace(tableName)) { dataTable = dataSet.Tables[tableName]; if (dataTable == null) { throw new InvalidOperationException($"DataSet does not contain table with name \"{tableName}\""); } } else { dataTable = dataSet.Tables[0]; } _dataTableEnumerator = new DataTableEnumerator(dataTable); }
public DataReaderEnumerator(IDataReader dataReader) { if (dataReader == null) { throw new ArgumentNullException(nameof(dataReader), ArgumentHelper.NullParamMessage); } var dataTable = new DataTable(); dataTable.Load(dataReader); dataReader.Dispose(); _dataTableEnumerator = new DataTableEnumerator(dataTable); }