vs2008连接mysql和MySQLDriverCS下载地址

http://sourceforge.net/projects/mysqldrivercs/files/MySQLDriverCS-n-EasyQueryTools/ 或 http://sourceforge.net/projects/mysqldrivercs/?source=navbar
然后把下载下来的MySQLDriverCS.DLL引用到工程，具体引用就是选择工程下面的reference----右键add---浏览，找到dll添加进去就OK。

再给你点连接代码吧

MySQLConnection conn = null;

conn = new MySQLConnection(new MySQLConnectionString("localhost", "person", "root", "").AsString);

conn.Open();

MySQLCommand commn = new MySQLCommand("set names gb2312", conn);

commn.ExecuteNonQuery();

string sql = "select * from `users` ";

MySQLDataAdapter mda = new MySQLDataAdapter(sql, conn);

DataSet ds = new DataSet();

mda.Fill(ds, "table1");

this.dataGridView1.DataSource = ds.Tables["table1"];

conn.Close();