Hi Ashish,
Thanks for your interest in Syncfusion products.
We have analyzed your scenario and we have dash board samples for showing the grid operations and for different cell types. Please refer to the below dash board sample.
Dashboard Sample location:
<InstalledLocation\Syncfusion\EssentialStudio\VersionNumber\Windows\Grid.Windows\Samples\Cell Types\Drop Down Cell Demo>
Please let us know if you have any queries.
Sample link:
Please refer to the below UG for further references,
Regards,
Piruthiviraj