什么是实体框架 [英] what is entity Framework

问题描述

我是EF的新手.谁能解释一下实体框架.这是什么?它在N层架构中有什么用?

linq to sql和EF有什么区别?

请帮我谢谢.

I am new to EF. Can anybody explain about Entity Framework. What it is? How it is useful in N-Tier Architecture?

what is the difference between linq to sql and EF?

please help me thank you.

推荐答案

http ://msdn.microsoft.com/zh-CN/library/bb399572.aspx [ ^ ]

.NET 4.0与Entity Framework和LINQ to SQL之间有什么区别? [ LinQ与SQL和ADO.Net实体框架之间的区别 [ Linq to SQL与ADO.NET实体之间的区别数据模型 [ ^ ]
LINQ to SQL与实体框架 [

What is Entity Framework?[^]

Entity Framework (Advance then LinQ to SQL):

1. Enterprise Development from database directly
2. Works with Conceptual model of database
3. Works with all data sources
4. EDMX file can be use ad designer while using Entity Framework
5. Complete database can be created/ updated directly from C# entities.
where
LINQ to SQL:
1. Rapid Application Development
2. Works with objects in database
3. Mainly woks with SQL Server
4. dbml file can be used as designer while using LINQ to SQL

In addition have a look at reference link.
What is the difference between Entity Framework and LINQ to SQL by .NET 4.0?[^]
Difference between LinQ to SQL and ADO.Net Entity Framework[^]
Difference between Linq to SQL and the ADO.NET Entity Data Model[^]
LINQ to SQL vs. Entity Framework[^]

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