我正在使用EF代码优先的datacontext,我正在寻找一种方法来获得给定实体集合的主键字段的最高值,这比我拥有的要优雅一点。internal long GetHighestIdForProductGroups() //s200 is the name of my data context var l
我正在尝试将xml Entity Framework模型转换为Code First (CTP5)模型。我必须为一个非常适合TPT模式的层次结构建模。[Domain] AS [Domain] [UnionAll1].[Id] AS [C1], CASE WHEN ([UnionAll1].[SisterSites] AS [Extent2]) AS [UnionA