将sql查询转换为lambda表达式

Question

如何将以下sql查询转换为lambda表达式？

SELECT Username, COUNT(Username) AS Count 
FROM user 
GROUP BY Username

Answer 1

 var UserCount = yourEntityObject.GroupBy(m => m.Username)
                       .Select(c => new {Username = c.Key, Count = c.Count()});

Answer 2

尝试以下方法：

var grpUsers = empList.GroupBy(user => user.Username)
                         .Select(lst => new {Username = lst.Key, Count = lst.Count()} );