如何首先为 SQLite 代码配置 Devart dotConnect
本文关键字:配置 Devart dotConnect 代码 SQLite 何首先 | 更新日期: 2023-09-27 18:32:46
任何人都可以配置以下示例代码吗?当我运行以下代码时,出现错误:
找不到 ADO.NET 提供程序的实体框架提供程序 不变名称"Devart.Data.SQLite"
在机器配置中设置
<system.data>
<DbProviderFactories>
<add name="dotConnect for SQLite" invariant="Devart.Data.SQLite"
description="Devart dotConnect for SQLite" type="Devart.Data.SQLite.SQLiteProviderFactory, Devart.Data.SQLite, Version=4.6.287.0, Culture=neutral, PublicKeyToken=09af7300eec23701" />
</DbProviderFactories>
</system.data>
在应用程序中添加以下块代码后
<?xml version="1.0"?>
<configuration>
<configSections>
<!-- For more information on Entity Framework configuration, visit http://go.microsoft.com/fwlink/?LinkID=237468 -->
<section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
</configSections>
<entityFramework>
<providers>
<provider invariantName="Devart.Data.SQLite" type="Devart.Data.SQLite.Entity.SQLiteEntityProviderServices, Devart.Data.SQLite.Entity, Version=4.6.287.0, Culture=neutral, PublicKeyToken=09af7300eec23701" >
<migrationSqlGenerator type="Devart.Data.SQLite.Entity.Migrations.SQLiteEntityMigrationSqlGenerator, Devart.Data.SQLite.Entity, Version=4.6.287.0, Culture=neutral, PublicKeyToken=09af7300eec23701" />
</provider>
</providers>
</entityFramework>
<system.data>
<DbProviderFactories>
<remove invariant="Devart.Data.SQLite" />
<add name="dotConnect for SQLite" invariant="Devart.Data.SQLite" description="Devart dotConnect for SQLite"
type="Devart.Data.SQLite.SQLiteProviderFactory, Devart.Data.SQLite, Version=4.6.287.0, Culture=neutral, PublicKeyToken=09af7300eec23701" />
</DbProviderFactories>
</system.data>
<connectionStrings>
<add name="myContext" connectionString="Data Source=l:'newDB.db3;Version=3;" providerName="Devart.Data.SQLite" />
</connectionStrings>
<startup>
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5"/>
</startup>
</configuration>
发生以下错误
'EFCodeFirst.MySQLiteContext' 的类型初始值设定项抛出了一个 例外。
下载示例代码:
下载
信息:
Devart SQLite Code First (dotConnect for SQLite 4.6.287)
实体框架 6
VS 2013 预览
我们已经在我们的 dotConnect for SQLite 论坛上回答了您。