摘要：EntitySpaces2009的开发文档地址，开发文档做得还是很不错的，主要的和关键的问题都在其中说明了，比示例做得好。 http://developer.entityspaces.net/documentation/Default.aspx 阅读全文

摘要：EntitySpaces2009中的关系使用起来还是很方便的，其中包括四种类型：Zero To Many, One To One, Many To One, Many To Many。 使用时可以针对不同的关系通过对应的代码模式完成。 阅读全文

摘要：EntitySpaces2009支持事件。 Transactions You do not need to wrap saves on a single collection in a transaction. EntitySpaces does this for you, even if you have multiple inserts, updates, and deletes. Use transactions if you are saving two or more objects that need to rollback as a set in the event of a failure. EntitySpaces has two transaction models. esTransactionScope works with all supported databases. Set providerClass="DataProvider" in your app.config. TransactionScope uses the new .NET 2.0 阅读全文

摘要：因为使用access时，access文件地址不能固定，所以必须写成动态变化的，那么就不能通过配置文件实现，同时，连接参数也和其他类型数据库不一样，使用时注意以下方法配置连接参数： 方法一： conn = New esConnectionElement() conn.Name = AccessConnectionName conn.ProviderMetadataKey = "esDefault" conn.SqlAccessType = esSqlAccessType.DynamicSQL conn.Provider = "EntitySpaces.MSAccessProvider" conn.ProviderClass = "DataProvider" Dim sourceAccessDatabase As String sourceAccessDatabase = Path.Combine(mOperatingDirectory, "db.mdb") Dim userInfo As String userInfo = "User Id=user 阅读全文