Thank you for writing.
To change the fore color of grid cells you can use the CellFormatting
event of RadGridView. It allows you to change settings of visual cell elements.
We are aware of the issue with the right-to-left fonts in exporting. We have the issue in our Public Issue Tracking System - PITS
. You can track the progress of the issue, subscribe for status changes and add your vote/comment to it on the following link - PITS Issue.
I hope this will be useful. Should you have further questions, I would be glad to help.
the Telerik team