Hi Faleh,
Sorry for the delay in responding.
I am able to see this issue in version 5.2.0.25. But this issue does not reproduce in our latest version. We recommend you to upgrade our latest version Essential Studio 2008 Volume 1.
Here is the download link:
http://www.syncfusion.com/support/Forums/message.aspx?&MessageID=70234Please let me know if you have any concerns.
Regards,
Yavana.G