各位好:小弟遇到以下問題,請(qǐng)教各位該如何處理?var rs = from t1 in db.t1 join in t2 in db.t2 on t1.id = t2.id into _t2 from t2 in _t2.DefaultIfEmpty() select new { id = t1.id, BeginDate = t2.Begindate//Begindate為datetime型 };請(qǐng)問各位:如果Begindate為空該怎么寫?不會(huì)是BeginDate = t2.Begindate == null? **:**吧?
LINQ查詢用的null值處理方法
動(dòng)漫人物
2018-11-01 05:06:54
