如何“从数据库更新模型”编程？ [英] How to "Update Model From Database" programatically?

问题描述

我从一个EF 6数据库首先使用EDMX文件两个特定的列。

该项目是每个月部署一次的网站。

如果我在这些列中进行一些更改（从数据库），我只是执行从数据库更新模型...命令及其罚款。 >

我的问题是...

有没有办法在global.asax中编程检查数据库是否已更改，然后自动更新这些列的映射？

解决方案

这是一个困难和漫长的路要走，你需要更新存储模式（SSDL），但可以执行。这是一个很好的资源，将帮助您开始

http://blogs.msdn.com/b/dbrowne/archive/2013/08/30/entity-framework-schema-redirection.aspx

I started with an EF 6 Database First using an EDMX file for two specific columns.

The project is a website which is deployed once each month.

If I make some changes in these columns(from the database), I just execute the "Update Model From Database..." command and its fine.

My question is...

Is there a way to check programatically in the global.asax if the database has changed, and then update the mappings for these columns automatically?

解决方案

It's a difficult and long way to go where you'll need to update the store schema (SSDL), but doable. Here's good resource that will help you start

http://blogs.msdn.com/b/dbrowne/archive/2013/08/30/entity-framework-schema-redirection.aspx

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