Hi Santosh,
Thank you for your interest in Syncfusion products.
I am afraid that I am unable to reproduce the mentioned behavior " Add new Record was added into GridGroupingControl when the DropButton has been clicked”
I have created a simple sample to test this issue and it is available in the following link.
http://files.syncfusion.com/support/samples/Grid.Windows/7.3.0.20/Forums/GGCButton.zipPlease refer the following steps which I tried,
1. Run the Application.
2. Enter the value
3. Click the DropDownCell Button
Please have a look at the above sample and if still the issue exists, could you please try reproducing it in the above sample or send us the reproducing steps so that we could sort out the cause of the issue and provide you a solution?
Regards,
Lingaraj S.