2

我的 Techie Bretheren(当然还有 Sisteren!),

我有一个具有以下实体的 LinqToSql 数据模型: 数据模型 http://danimal.acsysinteractive.com/images/advisor.jpg

我需要检索特定办公室的所有顾问,按他们在办公室内的顺序排序。我的第一部分与连接一起工作:

public static List<Advisor>GetOfficeEmployees(int OfficeID)
{
    List<Advisor> lstAdvisors = null;
    using (AdvisorDataModelDataContext _context = new AdvisorDataModelDataContext())
    {
        var advisors = from adv in _context.Advisors
                       join advisoroffice in _context.OfficeAdvisors
                           on adv.AdvisorId equals advisoroffice.AdvisorId
                       where advisoroffice.OfficeId == OfficeID
                       select adv;

        lstAdvisors = advisors.ToList();

    }
    return lstAdvisors;
}

但是,我似乎无法将疲惫的大脑包裹在 order by 子句中。任何人都可以提供一些建议吗?

4

3 回答 3

0
from adv in _context.Advisors
where adv.OfficeAdvisor.Any(off => off.OfficeId == officeID)
order adv by adv.OfficeAdvisor.First(off => off.OfficeId = officeID).Sequence
select adv;
于 2008-09-30T20:38:46.723 回答
0
public static List<Advisor>GetOfficeEmployees(int OfficeID)
{
    List<Advisor> lstAdvisors = null;
    using (AdvisorDataModelDataContext _context = new AdvisorDataModelDataContext())
    {
        var advisors = from adv in _context.Advisors
                       join advisoroffice in _context.OfficeAdvisors
                           on adv.AdvisorId equals advisoroffice.AdvisorId
                       where advisoroffice.OfficeId == OfficeID
                       group adv by adv.OfficeId into g
                       order by g.Sequence
                       select g;

        lstAdvisors = advisors.ToList();

    }
    return lstAdvisors;
}

注意:我目前无法在 Visual Studio 上对此进行测试,但应该可以。

于 2008-09-30T20:40:50.417 回答
0

您可以像这样添加 order by 子句:

var advisors = from adv in _context.Advisors
                  join advisoroffice in _context.OfficeAdvisors
               on adv.AdvisorId equals advisoroffice.AdvisorId
               where advisoroffice.OfficeId == OfficeID
               orderby advisoroffice.Sequence //  < -----
               select adv;
于 2008-10-01T17:50:32.283 回答