LINQ結合 内部結合 var ij = from s in Sales join t in Titles on s.Title_id equals t.Title_id select new { TitleId = s.Title_id, OrderNum = s.Ord_num, Title = t.Title }; ij.Dump(); SELECT [t0].[title_id] AS [TitleId], [t0].[ord_num] AS [Orde…