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這個簡單的查詢工作並返回預期的4條記錄;LINQ選項構建查詢+日期時間比較
var showIfAfter = DateTime.Now.AddDays(-1);
var query = _context.OTMLessons.Where(l => l.Date > showIfAfter);
這個零碎的內置查詢不(假設狀態== A);
var query = _context.OTMLessons.Include("Years").Include("Giver")
.Where(l => !l.Hidden);
if (status != null)
switch (status) {
case "A":
// only records that are current (last day plus important states)
var showIfAfter = DateTime.Now.AddDays(-1);
query = query.Where(l => l.Date > showIfAfter);
break;
case "ND":
// only records which aren't deleted
query = query.Where(l => !l.Status.Equals("Deleted"));
break;
default:
// records of a specific state
query = query.Where(l => l.Status.Equals(status));
break;
}
請告訴我爲什麼我是白癡 - 拉我的頭髮...
您確定'.Wherel =>!l.Hidden)是正確的嗎?什麼'_context.OTMLessons._context.OTMLessons.Where(l =>!l.Hidden)'返回? – Ceilingfish
刪除與問題無關; showIfAfter比較的斷點預執行顯示預期結果 – captaincrash
沒有看到更多的代碼,這很難調試。你是否100%確定狀態「A」正確設置?這會導致你無法獲得正確的數據。 –