.Net MySql error “The given key was not present in the dictionary”

Question

Trying to get simple count from table results in exception bellow. Tried different select statemens which also makes exception: \"SELECT * FROM goods\", but \"<

Answer 1

After spending 5 hours researching how to fix it!!!.. i finally figured it out... all you need to do is to make sure that your 'MySql.Data.dll' is up to date! you can download it somewhere. or you can find it here C:\Program Files (x86)\MySQL\MySQL Installer for Windows\MySql.Data.dll.. :D