发布时间:2021-08-03 14:10:09来源:本站阅读(646)
list.GroupBy(x => new { x.a, x.b })
.Select(x => new
{
A = x.Key.a,
B = x.Key.b,
C = x.Count
});
关键字: EF
1342
4329
747
2585
1431
1474
1309
1447
730
720
9178
5753
5265
4887
4329
4042
3169
3092
3087
3046