avoid password while opening Crystal Report

Dear

I am calling crystal report on page load.while opening crystal report, it is asking database information.
I have used TableLogOnInfo object.

private TableLogOnInfo LogInfo = new TableLogOnInfo();


private void SetLogonInfo()
{
try
{
LogInfo.ConnectionInfo.ServerName = "servername";
LogInfo.ConnectionInfo.UserID="userid";
LogInfo.ConnectionInfo.Password = "pwd";
LogInfo.ConnectionInfo.DatabaseName="dbname";

}
catch(Exception ex)
{
MessageBox.Show(ex.Message);
}

}


private void SetReport()
{
ReportDocument rpt = new ReportDocument();
CrystalReport2 O_showList = new CrystalReport2();
O_showList.Database.Tables[0].ApplyLogOnInfo(LogInfo);

rpt.Load(@"D:\CrystalReport2.rpt");

rpt.Database.Tables[0].SetDataSource(dsEmployee);
crystalReportViewer1.ReportSource = rpt;
crystalReportViewer1.Zoom(1);
}

what is the problem.
help is hoghly apprciated

PPCC