Hi Thong,
Thanks for using Syncfusion Products.
We have analyze your query and we created a grid with toolbar items add, edit and delete. When we click the padding around the toolbar items the action is performed according to the toolbar item. We unable to reproduce the reported issue in our end.
For your convenience we have attached a video with clicking on the padding around the toolbar items.
Please download the video from the below link
Video Link : http://www.syncfusion.com/downloads/support/forum/118779/Video-1976445075.zip
If we misunderstood your query, Please get back to us. Could you able to provide a simple sample or code snippet for us and could you please let us know in which scenario the issue is reproduced?, Please provide a detail information about the issue it will be helpful to provide a better solution
Please let me know if you have any further assistance on this,
Regards,
Prasanna Kumar N.S.V