//根据子项目id得到flowjump实体类 flowJumps = this.FlowJumps; //按工序groupby flowjumps IEnumerable query = flowJumps.GroupBy(pet => pet.processID, pet => pet); foreach (IGrouping info in query) { List sl = info.ToList();//分组后的集合 //也可循环得到分组后，集合中的对象，你可以用info.Key去控制 //foreach (FlowJump set in info) //{ //} }

//根据子项目id得到flowjump实体类 flowJumps = this.FlowJumps; //按工序groupby flowjumps IEnumerable query = flowJumps.GroupBy(pet => pet.processID, pet => pet); foreach (IGrouping info in query) { List sl = info.ToList();//分组后的集合 //也可循环得到分组后，集合中的对象，你可以用info.Key去控制 //foreach (FlowJump set in info) //{ //} }