public async Task <IEnumerable <TVProgram> > SearchPrograms(DateTimeOffset dateTime, string channelName)
{
SpecificationBase <TVProgram> searchSpecification = TVProgramByPeriodSpecification.For(dateTime) /*
* .And(TVPRogramByDurationSpecification.For(30))*/;
if (!String.IsNullOrWhiteSpace(channelName))
{
searchSpecification = searchSpecification
.And(TVProgramByChannelSpecification.For(channelName));
}
var tableQuery = searchSpecification
.ToTableQuery();
var querySegment = await base.cloudTable
.ExecuteQuerySegmentedAsync <TVProgram>(tableQuery, new TableContinuationToken());
return(querySegment.ToList());
}