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var q = from t in mylist
where modId==num && (dt1 - dDate).Days > 1
select t;
var q = mylist.Where(r => r.modId==num && (dt1 - r.dDate).Days > 1
);Where(xxxxx).GroupBy(x=>new{x.modId,x.processId,x.opSeq}).Select(x=>new{
modId = x.Key.modId,
processId = x.Key.processId,
opSeq = x.Key.opSeq,
qty= x.Sum(x=>x.qty)
})
上面写错了Where(xxxxx).GroupBy(x=>new{x.modId,x.processId,x.opSeq}).Select(x=>new{
modId = x.Key.modId,
processId = x.Key.processId,
opSeq = x.Key.opSeq,
qty= x.Sum(x=>x.qty)
})
上面写错了Where(xxxxx).GroupBy(x=>new{x.modId,x.processId,x.opSeq}).Select(x=>new{
modId = x.modId,
processId = x.processId,
opSeq = x.opSeq,
qty= x.qty.Sum()
})