使用C#的3层应用程序 [英] 3 tier applications using c#

问题描述

嗨

请帮助我使用Interface&创建3层应用程序或链接. c#基于Web的应用程序中的属性.

谢谢

Hi

Pls help me in creating 3 tier application or a link using Interface & Properties in c# Web Based Application.

Thanks

推荐答案

创建类库-BusinessLogic
创建一个类库-DataAccess

现在，从您的UI，使用对象模型并传递给BusinessLogic项目类.此类是业务逻辑类.在此处根据您的需要进行更改.
现在，将更改后的数据从业务逻辑类传递到dataAccess项目类.在此类中，使用ADO.NET并将所需的值传递给存储过程.

为了获取数据，数据将从DA传输到BL层，然后再从BL传输到UI层.
看看这些，用示例进行解释:
C#中的3层体系结构 [ 3-层架构示例 [使用C#的ASP.NET中的3层体系结构 [

Create a class library - BusinessLogic
Create a class library - DataAccess

Now, from your UI, use the object model and pass on to BusinessLogic project class. This class is a Business logic class. Do the changes as per your need here.
Now, pass on the changed data from business logic class to dataAccess project class. In this class, use ADO.NET and pass on the needed values to Stored Procedure.

For getting back data, it will be transferred from DA to BL and then BL to UI layer.
Have a look at these, explaination with samples:
3-tier architecture in C#[^]
3-Tier Architecture Examples[^]
3-Tier Architecture in ASP.NET with C#[^]

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