Host ... is not allow to connect to this mySQL server

[yee binglin]

i have this connectionstring:

MySQLConnection conn = new MySQLConnection(new MySQLConnectionString("xxx.xxx.xx.xxx","rfid","root","")AsString);

i tried connecting to the ip above but it returned with this error:

Host xxx.xxx.xxx.xxx is not allowed to connect to this MySQL server

but the connectionstring works on a localhost, may i know what's wrong?

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BingLin