Crystal Report Does not work in wpf

try
{			  
string ReportPath = System.IO.Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location) + @"\ReportFolder\ReportName.rpt";
					  
rptDocument.Load(ReportPath);


CrystalDecisions.Shared.ConnectionInfo crConnectionInfo = new CrystalDecisions.Shared.ConnectionInfo();

crConnectionInfo.DatabaseName = DatabaseName;
crConnectionInfo.Password = Password;
crConnectionInfo.UserID = UserID;
crConnectionInfo.ServerName = ServerName;

rptDocument.SetDatabaseLogon(UserID, Password, ServerName, DatabaseName, False);

rptDocument.PrintOptions.PrinterName = PrinterName;

rptDocument.PrintToPrinter( 1, false, 0, 0);

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