Error in calling mysql database in C #: "The given keyword is not in the dictionary", the solution

1. The cause of the problem

C # connection to MySql database reports an error: the given keyword is not in the dictionary, which is caused by the inconsistency of the character set encoding used by the connection and the database

2. Solution

Solution 1: The official website of MySQL has fixed bugs in version 6.0.8. Upgrade MySql.Data.dll to the latest component. (Successful test)
Option 2: The database code is utf8mb4, and the code specified when connecting is utf8, so modify the database code to utf8, as shown in the following figure