Hi Steven Sinakhot,
Thanks for using Syncfusion products.
We would like to let you know that your requirement has beed achieved by handling OnActionSuccess client side event. Please refer the below code snippet to achieve your requirement.
function success(sender, args)
if (args.RequestType == "AddNew")
$("#GenericListGriddate").val($.datepicker.formatDate("yy-mm-dd", new Date()));
Please refer the below attached sample for further reference.
Please let us know if you need further reference.