ADO.NET Entity framework 连接MySql 提示The specified store provider cannot be found in the configuration
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本机安装了 MySql Connector/Net 6.9.6
http://dev.mysql.com/downloads/connector/net/
使用ADO.NET Entity framework操作MySql数据库，没问题，但是复制到其他主机上运行则提示The specified store provider cannot be found in the configuration...
查找资料，发现在项目里的App.Config添加一下代码得以解决（如下代码），其中<remove invariant="MySql.Data.MySqlClient"/>是为了在已安装了MySql Connector/Net的主机上运行不报错，同时注意修改Version
<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=6.9.4.0, Culture=neutral, PublicKeyToken=c5687fc88969c44d" /> </DbProviderFactories> </system.data>
在安装好的MySql Connector/Net目录下复制你项目使用的.Net Framework版本对应的DLL，如下图
拷贝MySql.Data.dll、MySql.Data.Entity.dll、MySql.Web.dll到你项目的Bin目录下，到此，打包时附带上这三个Dll，其他电脑在运行你的软件时，无需再额外安装MySql Connector/Net。
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