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從下面的查詢中我很難得到失敗百分比,因爲它始終爲零。難道我做錯了什麼。LINQ查詢 - 從同一語句中的總和字段中計算百分比
from n in calculateOrderStatus
group n by new { n.OrderDate.Date, n.OrderDate.Hour } into h
select new
{
Failed = h.Sum(n => n.Failed),
Success = h.Sum(n => n.Success),
FailurePercentage = (h.Sum(n => n.Failed)/h.Sum(n => n.Success)) * 100
}
沒有我仍然得到它0 – user811970
然後'h.Sum(n => n.Failed)'爲零,或者與h.Sum(n => n.Success)相比非常小。但是代碼沒有問題。 –
這個工作。謝謝 – user811970