C# 如何在asp.net visual studio 2017中为多活动结果集添加连接字符串web.config
填充数据System.data.Entity.Core.EntityCommandExecutionException时出错:“执行命令定义时出错。有关详细信息,请参阅内部异常。”C# 如何在asp.net visual studio 2017中为多活动结果集添加连接字符串web.config,c#,asp.net,sql-server,C#,Asp.net,Sql Server,填充数据System.data.Entity.Core.EntityCommandExecutionException时出错:“执行命令定义时出错。有关详细信息,请参阅内部异常。” <connectionStrings> <add name="DefaultConnections" connectionString="Data Source= (LocalDb)\MSSQLLocalDB;AttachDbFilename=|DataDirec
<connectionStrings>
<add name="DefaultConnections"
connectionString="Data Source=
(LocalDb)\MSSQLLocalDB;AttachDbFilename=|DataDirectory|\aspnet-
XEx20UserMaintenance-20160725031209.mdf;
Initial Catalog=aspnet-XEx20UserMaintenance-20160725031209;
Integrated Security=True;
MultipleActiveResultSets=True;"
providerName="System.Data.SqlClient"/>
</connectionStrings>
对不起,我不能把它作为评论,因为我没有50个声誉,看看这个