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如何更改的培训活动为左外的培训活动在加入即时通讯LINQ非常基本的所以请原谅我的无知,其不检索没有重视它左outter加入LINQ
var q = from need in pamsEntities.EmployeeLearningNeeds
join Employee e in pamsEntities.Employees on need.EmployeeId equals e.emp_no
join tevent in pamsEntities.TrainingEvents on need.TrainingEventId equals tevent.RecordId
where need.EmployeeId == employeeId
where need.TargetDate >= startdate
where need.TargetDate <= enddate
orderby need.TargetDat
任何trainnevent引用记录
非常感谢的是,高清法律两名来自语句只是从来没有看到,之前他们的任何地方,说明了两个表格是合法的 – rogue39nin