We are unable to reproduce the issue from our side. We have a shared a simple sample for your reference. Kindly modify the sample to reproduce the issue and share us the modified sample along with the issue reproducing input files which will be helpful for us to give you a prompt solution at the earliest. The sample can be downloaded from following location.
Sample link: http://www.syncfusion.com/downloads/support/directtrac/general/ze/Hyperlink616471739.zip
Please let us know if you have any concerns.
Thank you for updating us.
We were able to reproduce the problem and have logged defect report regarding this. A support incident to track the status of this defect has been created under your account. Please log on to our support website to check for further updates.
Please let me know if you have any questions.