Database logon failed when connect crystal reports 9 to mysql database

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MySQL-Connector

Hi all,

I'm newbie in MySQL. I have problem in my project. I want to create report with Crystal Reports 9 and connect to MySQL.
I use Windows 7 32 bit and I already installed MySQL ODBC 3.51 Driver. I've make DSN for mysql in System DSN. My Crystal Report has connect to the DSN.

In my c# code, I have made my connection like this following code :

foreach (CrystalDecisions.CrystalReports.Engine.Table tReport in RptDoc.Database.Tables)
{
TableLogOnInfo tloi = tReport.LogOnInfo;

tloi.ConnectionInfo.ServerName = "localhost";
tloi.ConnectionInfo.DatabaseName = "ACPHRD";
tloi.ConnectionInfo.UserID = "root";
tloi.ConnectionInfo.Password = "root";

tReport.ApplyLogOnInfo(tloi);
}

I got this error : Database Logon failed.

Anyone can help me? I don't know how to solve this... :(