问题描述
大家好,
我有表A女巫与许多表格有关系,比如B,C,D
Hi all,
I have table A witch have relation to many tables , say B,C,D
在EF映射中我得到对象A与类型B,C,D的集合
in the EF mapping I get Object A with Collection of types B,C,D incide.
当我尝试从客户端插入新对象A时,我应该在之前提供对象B,C,D并使用SetLink命令。
When I'm trying to insert a new object A from the client side , I should supply objects B,C,D before and use the SetLink command.
我的问题,我必须从服务器对象B,C,D中取出由于某些creteria和保存A。
My problem , I have to fetch from the server objects B,C,D due to some creteria and the save A.
但这似乎非常昂贵每次去许多旅行到服务器,直到我可以保存对象A.
But this seems very expensive each time to make many travels to the server till I can save object A.
我的代码是这样的:
AB = client.B.Where(id => id.b_id == 1)。 ();与C和D相同的事情
A.B = client.B.Where(id=>id.b_id == 1).First(); the same thing to C and D
client.SetLink(A," B",AB);
client.SetLink(A,"B",A.B);
client.SaveChanges();
client.SaveChanges();
任何建议将此往返保存到服务器。
Any suggestion to save this roundtrips to the server.
谢谢......
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