ASP.NET三层结构说明

ASP.NET三层结构说明(中文1800字,英文1200字)
    完善的三层结构的要求是:修改表现层而不用修改逻辑层,修改逻辑层而不用修改数据层。否则你的应用是不是多层结构,或者说是层结构的划分和组织上是不是有问题就很难说.不同的应用有不同的理解，这只是一个概念的问题．

The ASP.NET three layer structure
Perfect three layer structure requirements are: modify the presentation layer without modifying the logic layer, logic layer modified without modifying the data layer. Is it right? Or your application of multilayer structure, or a layer structural classification and organization is it right? The problem is hard to say. Different applications have different understanding, this is just a concept problems.

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