2种connectionString

(Sql User) Data Source=win2012;Initial Catalog=Nop;Integrated Security=False;Persist Security Info=False;User ID=yimai;Password=Yimai88;MultipleActiveResultSets=TrueproviderName=System.Data.SqlClient providerName = System.Data.SqlClient (!

(Sql User)

Data Source=win2012;Initial Catalog=Nop;Integrated Security=False;Persist Security Info=False;User ID=yimai;Password=Yimai88;MultipleActiveResultSets=True" providerName="System.Data.SqlClient"

providerName="System.Data.SqlClient" (!!!)

(Windows User)

Data Source=win2012;Initial Catalog=Nop;Integrated Security=True;MultipleActiveResultSets=True" providerName="System.Data.SqlClient