-3
我有這個查詢,一切工作正常,除了Count,它返回lstISSHDR中的所有記錄的計數。我想COUNT返回字段4的計數lstISSHDR其中lstrej.issuergroupseq = lstisshdr.issuergroupseqLinq集團和計數
var tmpRejSTM = (from r in lstRej
join l in lstISSHDR on r.IssuerGroupSequence equals l.IssuerGroupSequence
join s in lstSECHDR on r.SecurityGroupSequence equals s.SecurityGroupSequence
where r.Field1 == "INVHDR" && !string.IsNullOrEmpty(l.Field4)
select new { IssuerCode = r.Field4, IssuerName = l.Field6,
SecurityCode = s.Field4, CountofIssuerCode = l.Field4.Count() })
.GroupBy(x => new { x.IssuerCode, x.IssuerName, x.SecurityCode,
x.CountofIssuerCode })
.OrderBy(x => x.Key.IssuerCode).ThenBy(x => x.Key.CountofIssuerCode).ToList();
和你的目標是什麼? – Jonesopolis
我想你忘了提問或解釋你需要什麼。 –
抱歉,正如我所說的每個想法都能正常工作,但我需要從lstISSHDR的所有記錄的計數,其中lstRej.IssuerGroupSequence等於lstISSHDR.IssuerGroupSequence –