1 public void Test(){ 2 3 var query = from a in A join b in B on A.Id equals B.Id into c 4 from d in c.DefaultIfEmpty() 5 select d; 7 }
时间: 2024-07-30 10:21:21
1 public void Test(){ 2 3 var query = from a in A join b in B on A.Id equals B.Id into c 4 from d in c.DefaultIfEmpty() 5 select d; 7 }