我正在尝试使用我的模型并从中创建数据库。当我尝试基于模型生成数据库时,出现以下错误:


  运行转换:System.InvalidOperationException:名为“ CsdlToSsdlAndMslActivity”的活动所生成的SSDL无效,并且具有以下错误:
  未找到具有不变名称“ MySql.Data.MySqlClient”的ADO.NET提供程序的实体框架提供程序。确保提供程序已在应用程序配置文件的“ entityFramework”部分中注册。有关更多信息,请参见http://go.microsoft.com/fwlink/?LinkId=260882

   at Microsoft.Data.Entity.Design.DatabaseGeneration.EdmExtension.CreateAndValidateStoreItemCollection(String ssdl, Version targetFrameworkVersion, IDbDependencyResolver resolver, Boolean catchThrowNamingConflicts)
   at Microsoft.VisualStudio.TextTemplatingFED2D73CEED00C99E8A0A14FA9AE33EAFFDF3CAAFEE9E04D21CC913F1C5C88D960592C81A433C11663E61FD5459CF679CFD9B7275B72CA8BFB8D753DBB9FDDE3.GeneratedTextTransformation.get_Store() in C:\Program Files (x86)\Microsoft Visual Studio 14.0\Common7\IDE\Extensions\Microsoft\Entity Framework Tools\Templates\Includes\GenerateTSQL.Utility.ttinclude:line 57
   at Microsoft.VisualStudio.TextTemplatingFED2D73CEED00C99E8A0A14FA9AE33EAFFDF3CAAFEE9E04D21CC913F1C5C88D960592C81A433C11663E61FD5459CF679CFD9B7275B72CA8BFB8D753DBB9FDDE3.GeneratedTextTransformation.TransformText() in C:\Program Files (x86)\Microsoft Visual Studio 14.0\Common7\IDE\Extensions\Microsoft\Entity Framework Tools\DBGen\SSDLToSQL10.tt:line 84     C:\Program Files (x86)\Microsoft Visual Studio 14.0\Common7\IDE\Extensions\Microsoft\Entity Framework Tools\Templates\Includes\GenerateTSQL.Utility.ttinclude   57

The following contains my App.config if that is of any help:

<?xml version="1.0" encoding="utf-8"?>
<configuration>
  <configSections>
    <section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
    <!-- For more information on Entity Framework configuration, visit http://go.microsoft.com/fwlink/?LinkID=237468 -->
  </configSections>
  <connectionStrings>
    <add name="SomeDatabase" providerName="MySql.Data.MySqlClient" connectionString="password=user;server=192.168.0.114;uid=hello;database=example;persistsecurityinfo=True;" />
  </connectionStrings>
  <startup>
    <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5.2" />
  </startup>
  <entityFramework codeConfigurationType="MySql.Data.Entity.MySqlEFConfiguration, MySql.Data.Entity.EF6">
    <defaultConnectionFactory type="System.Data.Entity.Infrastructure.SqlConnectionFactory, EntityFramework" />
    <providers>
      <provider invariantName="MySql.Data.MySqlClient" type="MySql.Data.MySqlClient.MySqlProviderServices, MySql.Data.Entity.EF6, Version=6.9.9.0, Culture=neutral, PublicKeyToken=c5687fc88969c44d"></provider>
      <provider invariantName="System.Data.SqlClient" type="System.Data.Entity.SqlServer.SqlProviderServices, EntityFramework.SqlServer" />
    </providers>
  </entityFramework>
  <system.data>
    <DbProviderFactories>
      <remove invariant="MySql.Data.MySqlClient" />
      <add name="MySQL Data Provider" invariant="MySql.Data.MySqlClient" description=".Net Framework Data Provider for MySQL" type="MySql.Data.MySqlClient.MySqlClientFactory, MySql.Data, Version=6.9.9.0, Culture=neutral, PublicKeyToken=c5687fc88969c44d" />
    </DbProviderFactories>
  </system.data>
  <runtime>
    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1"></assemblyBinding>
  </runtime>
</configuration>


我知道问题出在基于错误消息的MySql.Data.MySqlClient上,但是我似乎无法弄清楚它要我做什么。我已经在项目中添加了MySql.DataMySql.Data.Entity.EF6EntityFramework

有人知道如何解决此问题吗?

最佳答案

在此之前,我面临着同样的问题。我设法通过创建一个全新的项目来解决它。


转到Manage NuGet Packages,安装EntityFrameworkMySql.ConnectorNET.DataMySql.ConnectorNET.Entity
使用此处所示的连接字符串<add name="SomeDatabase" providerName="MySql.Data.MySqlClient" connectionString="server=localhost;port=3306;database=example;uid=hello;password=user"/>
在DbContext类中添加[DbConfigurationType(typeof(MySql.Data.Entity.MySqlEFConfiguration))]

关于c# - EntityFramework 6不适用于MySql,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/40271780/

10-09 08:27
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