如何使用LINQ和LAMBDA进行此查询？
QUERY
Select san_negocio.imovel_id,san_negocio.negocio_id,san_imovel.credenciada_id,san_proposta.proposta_id,san_proposta.credenciada_id
from san_negocio
join san_proposta
on san_negocio.imovel_id = san_proposta.imovel_id
join san_imovel
on san_negocio.imovel_id = san_imovel.imovel_id
where san_negocio.credenciadacaptadora_id is null
and san_negocio.credenciadavendedora_id is null
and san_proposta.statusproposta_id = 2
我试过了：
var objetos = db.San_Negocio.Join(db.San_Proposta,a => a.Imovel_Id,b => b.Imovel_Id,(a,b) => new { San_Negocio = a,San_Proposta = b })
.Join(db.San_Imovel,a => a.San_Negocio.Imovel_Id,c => c.Imovel_Id,c) => new { San_Negocio = a,San_Imovel = c })
.Where(a => a.San_Negocio.San_Negocio.CredenciadaCaptadora_Id == null && a.San_Negocio.San_Negocio.CredenciadaVendedora_Id == null)
.Select(a => new { a.San_Negocio.San_Negocio.Negocio_Id,a.San_Negocio.San_Negocio.Imovel_Id,a.San_Imovel.Credenciada_Id });
我怀疑是在我的选择中.如何调用我的San_Proposta表？
解决方法
这是一个合适的linq声明：
from neg in db.san_negocio
join prop in san_proposta
on neg.imovel.id equals prop.imovel_id
join imo in san_imovel
on neg.imovel_id = imo.imovel_id
where neg.credenciadacaptadora_id == null &&
neg.credenciadavendedora_id == null &&
prop.statusproposta_id == 2
select new {
ImovelID = neg.imovel_id,NegocioID = neg.negocio_id,Imo_CredenciadaID = imo.credenciada_id,PropostaID = prop.proposta_id
Prop_CredenciadaID = prop.credenciada_id
};
这将创建一个具有上面列出的属性的IQueryable匿名对象.
