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var Subjects = db.Subjects.ToList();
var SubjectIDs = (from a in Subjects select a.ID).ToArray();
// Unable to write this part
var Students = db.Students.Where(c = > c.SubjectID == FundIDs).ToList();
实际上,我正在寻找有SubjectID的学生。使用KeyID1,KeyID2,KeyID3加载EF实体