我有两个表:Transactions和TransactionAgents。TransactionAgents有一个名为TransactionID的Transactions外键。相当标准。我也有这个代码:BrokerManagerDataContextdb=newBrokerManagerDataContext();vartransactions=fromtindb.Transactionswheret.SellingPrice!=0selectt;vartaAgents=fromtaindb.TransactionAgentsselectta;foreach(vartransactio
