在LINQ中有没有办法做一个OrderBy,然后用ThenBy做一个ThenBy,使用父对象的子进行二次排序？
_repository.GetActiveDepartmentGroupsWithDepartments().OrderBy(c => c.DepartmentGroupName).ThenBy(c => c.Departments.OrderBy(d => d.DepartmentName))
在上面的例子中,c.Departments是一个EntityCollection.
顺便说一句:当我尝试上面的内容然后对其执行ToList()时,我收到此错误:
DbSortClause expressions must have a type that is order comparable.
Parameter name: key
在此先感谢任何帮助或指导.