Hi CFDSO，

Hi CFDSO,

欢迎来到MSDN论坛。

Welcome to the MSDN forum.

根据您的描述，当您将MySQL更改为SQL Server时出现问题asp.net MVC应用程序。由于我们的论坛是讨论.NET Framework安装和服务，您的问题与MVC应用程序的开发更相关，
请访问相应的支持论坛：
https://forums.asp.net/1146.aspx 并为您的问题开始一个新的主题，您将从那里获得更专业的支持，谢谢为了您的理解。

According to your description, you have issue when you changed MySQL to SQL Server in your asp.net MVC application. Since our forum is to discuss the .NET Framework Setup and Servicing, your issue is more related to the development of the MVC application, please access the corresponding support forum: https://forums.asp.net/1146.aspx and start a new thread for your issue, you will get a more professional support from there, thank you for your understanding.

祝你好运，

Sara