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MVC VS2012 Code First 數據庫迁移教程

時間：2014-04-30 00:35:55 阅读：577 評論：0 收藏：0 [點我收藏+]

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1.在“服务资源管理器”连接數據庫

bubuko.com,布布扣

2.打開工具-Nuget程序包管理器“程序包管理器控制台”

3.控制台输入命令：PM> Enable-Misgrations

4.以項目MvcGuestbook.Models.MvcGuestbookContext爲例：

PM> Enable-Misgrations-ContextTypeName

MvcGuestbook.Models.MvcGuestbookContext

5.更新數據庫：PM>Update-Database

PS：Update-Database指令的-SourceMigration參數可以指定來源版本，-TargetMigration參數可以指定目標版本，-Script參數則用來輸出T-SQL腳本。

數據庫迁移（升级）的T-SQL指令演示如下：

Update-Database -SourceMigration 来源版本數據庫名 -TargetMigration 目标版本數據庫名 -Script

數據庫迁移（降级：不能使用-SourceMigration参数）的T-SQL指令演示如下：

Update-Database -TargetMigration 目标版本數據庫名 -Script

还原數據庫到添加啊Code First之前的初始状态，指令如下：

Update-Database -TargetMigration $InntialDatabase -Script

6.在Misgrations目錄下會生成Configuration.cs,需做如下修改：

public Configuration()
{
AutomaticMigrationsEnabled = true;
}

MVC VS2012 Code First 數據庫迁移教程,布布扣,bubuko.com

MVC VS2012 Code First 數據庫迁移教程

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原文地址：http://www.cnblogs.com/mrcln/p/3696684.html

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