Hi Ankit,
Thank you for your interest in Syncfusion products.
We would like to let you know that we have already provided
the dashboard sample regarding the Cell Appearance
Customization. So that, Please make use of below UG link,
http://help.syncfusion.com/ug/windows%20forms/Documents/cellattributes.htm
Dashboard Sample:
<Installation Location>\Syncfusion\EssentialStudio\<Product
Version>\Windows\Grid.Windows\Samples\Appearance
Please let me know if you have any concerns.
Regards,
Neelakandan