无法连接到任何指定的mysql主机。c#

I've found many suggestions to fix this unprocessed exception, and I have tried every one I could find (and understand). It's been hours, but still no results... I've created a windows forms application that asks for a client's information and I'm trying to Insert this info into a DB I have created in MySQL. This is the code that seems to be working for everyone but me:I've found many suggestions to fix this unproce