Recently when doing the C# project, you need to use this function. The online method is not comprehensive. Here we summarize:
1. Open VS2010, create a window application, right -click the solution, click to add reference

2. The most troublesome point, you need to introduce a data file connected to the MySQL and VS connection. The Internet is not very clear. Upload the link here: https://pan.baidu.com/s/1av2pdxznleskakb1nw
extract code: 7cm9

3. Write on the code
using MySql.Data.MySqlClient;
using MySql.Data;

The other parts are shown below:

Complete, if you have any questions, you can comment on a message