衣冠楚楚的投掷System.Data.SqlClient。升级System.Data后出现SqlConnection异常。SqlClient 4.5.0-preview2版

I recently upgraded one of my ASP.NET Core applications from a net461 app to ASP.NET Core 2.0 app since the only thing that was holding me back in the past was System.Transactions (which is now supported).I recently upgraded one of my ASP.NET Core appl