// Creates an alarm using data defined in the database.
private Alarm CreateAlarm(DataRow row)
{
object associatedMeasurementId = row.Field<object>("AssociatedMeasurementID");
return new Alarm((AlarmOperation)row.ConvertField<int>("Operation"))
{
ID = row.ConvertField<int>("ID"),
TagName = row.Field<object>("TagName").ToString(),
SignalID = Guid.Parse(row.Field<object>("SignalID").ToString()),
AssociatedMeasurementID = ((object)associatedMeasurementId != null) ? Guid.Parse(associatedMeasurementId.ToString()) : (Guid?)null,
Description = row.Field<object>("Description").ToNonNullString(),
Severity = row.ConvertField<int>("Severity").GetEnumValueOrDefault<AlarmSeverity>(AlarmSeverity.None),
SetPoint = row.ConvertNullableField<double>("SetPoint"),
Tolerance = row.ConvertNullableField<double>("Tolerance"),
Delay = row.ConvertNullableField<double>("Delay"),
Hysteresis = row.ConvertNullableField<double>("Hysteresis")
};
}