CodePudding user response:

So weird bugs

CodePudding user response:

To ask, I also suggest test is successful, but if through the server explorer in the VS - data connection - the point table, which was the same error message,

CodePudding user response:

Don't use system! With the user Sa password you try

CodePudding user response:

You use data binding directly?

CodePudding user response:

I found the cause of the error after accidentally deleted a file
Details refer to the following article
https://www.cnblogs.com/zyh1994/p/6201978.html#commentform