What should i do when the title of the error is'invalidOperationException was unhandled' on MysqlDataReader

Question

I am working with one project using MySQL workbench with c#.
I have already written the code for the log-in windows with the mvc method
but when I build the eroor is 'an unhandled exception of type'system.invalidOperationException' occurred in MySQL.data.dll'.
please I could I solved this problem.
this error appear on
MysqlDataReader dr = cmd1.ExecuteReader();
cordially

Answer 1

you could wrap it in a try catch..