几个.net的O/R框架
| 名称 |
URL |
Pros |
Cons |
| Microsoft Entity Framework |
msdn | 官方支持 可视化很好 |
发展时间相对短 |
| NHibernate |
开发支持，时间很长 | 比较复杂 | |
| Subsonic |
Active Record Auto-generate code |
Open Source, Not flexible |
|
| Genome |
Flexible Auto-generate code |
Expensive, Sparse documentation |
数据实体的验证
数据实体的有效性验证可以使用.net4中的标注属性或者验证框架
System.ComponentModel.DataAnnotations (.net4 silverlight)
one of these is for data validation using attributes, and another is the visual description of fields, properties, and methods, or to customize the data type of a specific property . These three categories are classified in the .NET Framework as Validation Attributes, Display Attributes, and Data Modeling Attributes .
框架
Validation Application Block, which is available with Microsoft Enterprise Library 5 .0 (http://entlib.codeplex.com/ ) .http://entlib.codeplex.com/releases/view/46741
NHibernate Validation Framework .http://sourceforge.net/projects/nhcontrib/
