原数据:
分组查询sql
select
[one_level]
,[form_name]
from [appoint_form]
group by
[one_level]
,[form_name]
分组统计one_level下的form_name不重复有多少个
var cateList = result.Data.List
.GroupBy(x => new {
One_level = x.One_level, Form_name = x.Form_name })
.Select(x =>x.Key.One_level).GroupBy(x=>x);
List<int> ca_count = new List<int>();
foreach (var item in cateList)
{
ca_count.Add(item.Count());
}
统计结果:
1下有3个
2下有2个
3下有3个