c# - How to Downgrade/Upgrade multiple columns in multiple tables

Question

I am able to Upgrade/downgrade recent changes in my database by using below commands

For Upgrade : In Package Manager Console used below command

pm > Add-Migration <Column Name> 

For Downgrade : In Package Manager Console used below command

pm > Update-Database –TargetMigration:"ColumnName"

Can any one help how to Upgrade/Downgrade multiple columns in multiple tables.

Answer 1

如果您想对多个更改进行多个更改，只需创建一个包含所有更改的迁移步骤。

1. 将生成新列的新属性添加到您的实体类中。
2. 跑add-migration BunchOfColumns

查看BunchOfColumns迁移步骤，您应该会看到将所有新列添加到类的代码。要降级，只需迁移BunchOfColumns作为目标迁移。