我在Visual Studio(web MVC应用程序)中有一个项目,该项目使用EF6链接到MySQL数据库。一切正常,我在web.config上引用了提供程序,一切都正确。现在我想将数据访问分离到类库类型的新项目。我创建了项目,添加了引用(MySql.Data和MySql.Data.Entity.EF6),将提供程序添加到app.config,我想我已经完成了所有步骤,但是当我尝试创建一个新数据上下文,错误如下。
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<configSections>
<sectionGroup name="userSettings" type="System.Configuration.UserSettingsGroup, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
<section name="dPhotos.data.Properties.Settings" type="System.Configuration.ClientSettingsSection, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" allowExeDefinition="MachineToLocalUser" requirePermission="false" />
<section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
</sectionGroup>
</configSections>
<connectionStrings>
<add name="DefaultConnection" connectionString="metadata=res://*/Models.teste.csdl|res://*/Models.teste.ssdl|res://*/Models.teste.msl;provider=MySql.Data.MySqlClient;provider connection string="server=###############;user id=#############;password=############;database=###########"" providerName="System.Data.EntityClient" />
</connectionStrings>
<entityFramework>
<defaultConnectionFactory type="System.Data.Entity.Infrastructure.SqlConnectionFactory, EntityFramework" />
<providers>
<provider invariantName="MySql.Data.MySqlClient" type="MySql.Data.MySqlClient.MySqlProviderServices, MySql.Data.Entity.EF6"></provider>
</providers>
</entityFramework>
<userSettings>
<dPhotos.data.Properties.Settings>
<setting name="fdsgd" serializeAs="String">
<value>fdgd</value>
</setting>
</dPhotos.data.Properties.Settings>
</userSettings>
</configuration>
答案 0 :(得分:0)
试试这个:
在安装了Visual Studio,MySQL VS插件和Connector / Net的计算机上:
在执行这些步骤之前关闭所有VS实例。
转到此路径或您安装Connector / NET二进制文件的任何位置:
C:\Program Files (x86)\MySQL\MySQL Connector Net {version}\Assemblies\v4.5\
复制文件MySql.Data.Entity.EF6.dll
并将其粘贴到此文件夹中:
C:\Program Files (x86)\Microsoft Visual Studio {version}\Common7\IDE\PrivateAssemblies
(如果它要求您覆盖它,请执行此操作。您需要管理员权限才能覆盖该文件。)
在项目中添加对此DLL的引用。
然后您可以再次尝试为您的模型生成脚本。
您的app.config应如下所示:
<?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="dPhotosEntities" connectionString="metadata=res://*/Models.dPhotosModel.csdl|res://*/Models.dPhotosModel.ssdl|res://*/Models.dPhotosModel.msl;provider=MySql.Data.MySqlClient;provider connection string="password=######;user id=######;server=######;persistsecurityinfo=True;database=######"" providerName="System.Data.EntityClient" />
</connectionStrings>
<entityFramework>
<defaultConnectionFactory type="System.Data.Entity.Infrastructure.SqlConnectionFactory, EntityFramework" />
<providers>
<provider invariantName="MySql.Data.MySqlClient" type="MySql.Data.MySqlClient.MySqlProviderServices, MySql.Data.Entity.EF6" />
</providers>
</entityFramework>
</configuration>