/// <summary> /// 이진 데이타를 읽어서 버퍼에 저장한다. /// </summary> /// <param name="reader">IDataReader 인스턴스</param> /// <param name="columnName">Column name</param> /// <param name="fieldOffset">offset of column data</param> /// <param name="buffer">buffer to store data.</param> /// <param name="bufferoffset">buffer offset</param> /// <param name="length">length to retrieve</param> /// <returns>length to be retrieved</returns> public static long AsChars(this IDataReader reader, string columnName, long fieldOffset, char[] buffer, int bufferoffset, int length) { return(reader.AsChars(reader.GetOrdinal(columnName), fieldOffset, buffer, bufferoffset, length)); }