摘要： In my last article, I introduced NHibernate, which is an open-source object/relational mapping framework newly available to .NET developers. I have been rightly criticized (both here and in other forums) for failing to emphasize that NHibernate is but one of many available ORM solutions available, and in fact, the number of open source plus commercial ORM frameworks for .NET is currently over 50. As I had to pick one, though, NHibernate was an obvious choice for me since I’ve been doing so much 阅读全文

摘要： Chances are, as a .NET developer, you are already intimately familiar with the ADO.NET dataset. If you are an “enterprise” developer, those odds approach 100%. Database interaction via the FCL centers around retrieving a static snapshot of some portion of the database and manipulating it via the dataset, which mimics the RDBMS in almost every way: the data is tabular, relationships between data are modeled by foreign keys, data is largely untyped. Since the dataset provides a static, in-memory c 阅读全文