Gemstone PQDIF Library
Logical
Gets the next observation record from the PQDIF file.
Definition
Namespace: Gemstone.PQDIF.Logical
Assembly: Gemstone.PQDIF (in Gemstone.PQDIF.dll) Version: 1.0.182 -- Release Build+08a3d4e1ab9db1924f0cee2fec1d8c558f352a9a
The next observation record.
Assembly: Gemstone.PQDIF (in Gemstone.PQDIF.dll) Version: 1.0.182 -- Release Build+08a3d4e1ab9db1924f0cee2fec1d8c558f352a9a
C#
public Task<ObservationRecord> NextObservationRecordAsync()VB
Public Function NextObservationRecordAsync As Task(Of ObservationRecord)C++
public:
Task<ObservationRecord^>^ NextObservationRecordAsync()JavaScript
function NextObservationRecordAsync();Return Value
TaskObservationRecordThe next observation record.
Exceptions
| InvalidOperationException | The PQDIF file is not open. - OR - PQDIF file has more than one container record. - OR - There are no more observation records in the PQDIF file. |
| InvalidDataException | Observation record found with no corresponding data source record. |
| EndOfStreamException | End of stream encountered while reading the next observation record. |