Question

我一般不喜欢Entity Framework和ASP.NEt。.我安装了EF，当我编写enable-migrations时，我看到了以下内容：在程序集“ Demogorgon”中找不到上下文类型。

我试图 1.安装和卸载EF 2.确保我选择了正确的项目作为默认项目（很容易，下拉菜单中只有一个） 3.用于安装EF控制台或管理nuget 4.我经常在这里和其他地方阅读答案，但是由于我对此很陌生，所以我不是怎么做

   Attempting to gather dependency information for package 'EntityFramework.6.4.4' with respect to project 'Demogorgon', targeting '.NETFramework,Version=v4.7.2'
    Gathering dependency information took 1.14 sec
    Attempting to resolve dependencies for package 'EntityFramework.6.4.4' with DependencyBehavior 'Lowest'
    Resolving dependency information took 0 ms
    Resolving actions to install package 'EntityFramework.6.4.4'
    Resolved actions to install package 'EntityFramework.6.4.4'
    Retrieving package 'EntityFramework 6.4.4' from 'nuget.org'.
    Adding package 'EntityFramework.6.4.4' to folder 'C:\Users\novot\source\repos\Demogorgon\packages'
    Added package 'EntityFramework.6.4.4' to folder 'C:\Users\novot\source\repos\Demogorgon\packages'
    Added package 'EntityFramework.6.4.4' to 'packages.config'
    **Successfully installed 'EntityFramework 6.4.4' to Demogorgon**
    Executing nuget actions took 1.49 sec
    Time Elapsed: 00:00:02.7731151
    PM> Enable-Migrations
    No context type was found in the assembly 'Demogorgon'.
    PM> enable-migrations
    No context type was found in the assembly 'Demogorgon'.
    PM>

Answer 1

确保在Package Manager控制台（默认项目下拉选项）中选择了正确的项目（DBContext类所在的项目），然后重试

似乎无法启用enable-migrations已成功安装但未添加

1 个答案: