EF "There is already an open DataReader associated with this Command which must be closed first."
2015-04-22 10:21
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如果确保自己的linq或者其他语句都没有写错也没有继续优化的可能时解决方法：
在数据库连接字符串中添加MARS信息为true
在数据库连接字符串中添加MARS信息为true
<connectionStrings> <add name="CONN" connectionString="server=.;database=db;uid=u;pwd=p;MultipleActiveResultSets=true" providerName="System.Data.SqlClient" /> </connectionStrings>
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