【异常处理】Unable to determine the provider name for provider factory of type 'System.Data.SqlClient.SqlClientFactory'. Make sure that the ADO.NET provider is installed or registered in the application... 异常信息参考下面的连接 https://www.cnblogs.com/jhli/p/15355937.html 每天进步一丢丢 防盗签名：本文来自【博客园】-【多安分】 恭喜兄dei，看到这个隐藏标签~~~如果觉得博客内容有所帮助，请扫二维码打赏，感谢老铁 支付宝 微信
