我可以使用什么DbContext项目与EF合作? [英] What DbContext project do I get to work with EF?
问题描述
在您的EDMX设计平面上,右键单击并选择添加代码生成项
:
从在线图库中选择ADO.NET DbContext Generator:
这将添加两个T4模板文件( *。tt
),并为您生成 DbContext
和实体类:
这是从 DbContext
为您自己的项目:
I'm new to entity framework. I've got EF 4.2, from NuGet. Now I'm hearing it would be good to get DbContext. I've got into the extension manager and tried finding it, but I see about 8 there. Which is the "righ" one? I don't know if this matters but I use both C# and VB.NET. Also, I don't know if this matters or not, but I'm using a data-first model, not a code-first or model-first models, for doing EF development.
On your EDMX design surface, right-click and pick Add Code-Generation Item
:
Pick the ADO.NET DbContext Generator from the online gallery:
This adds two T4 template files (*.tt
) in your solution explorer, and generates the DbContext
and the entity classes for you:
And this is the resulting class derived from DbContext
for your own project:
这篇关于我可以使用什么DbContext项目与EF合作?的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!