When performing query data, application system can appear occasionally intermittent
Out of sync with the server
At the MySql. Data. MySqlClient. NativeDriver. ReadOk (Boolean read)
At the MySql. Data. MySqlClient. MySqlConnection. ChangeDatabase (String databaseName)
At the MySql. Data. MySqlClient. MySqlConnection. The Open ()

Not happen every time, occasionally intermittent appear, may be 100-200 times the query, these mistakes
Baidu checked, some say MySQL. Data. DLL version of the problem, can go to the website of the latest version of MySQL. The data. The DLL, will have the same problem,