Hello kornelraju,

Thank you for your post. I have been looking through it and I suggest you see this forum thread:

http://blogs.infragistics.com/forums/p/42214/234500.aspx

which discusses the same issue as yours. Please note, we are making efforts to ensure all posts are addressed by an Infragistics expert. We believe that the other community members could benefit from this thread as well.

Feel free to write me if you need further assistance.