I have attached a sample of the data grid and I can get the textbox to not make a beep when leaving but the combobox beeps when I change the value and tab out. I tried to modify the attached sample to do the same as the textbox but it is still beeping when it exits the cell.
SPShobika Palani Syncfusion Team December 17, 2018 11:25 AM
We are able to reproduce the reported “ComboBox beeps on tabbing out from it” issue from our end. We are currently validating this issue and we will update you with more details on 18th December, 2018.