... When you try to filter the list of devices based on device group using DeviceGroupDropDown, it will work just fine in case if you select one of the option available in the select box. However when you try to filter by typing in the keyword and press backspace key to clear what you just typed, it will produce a error saying "TypeError: cannot read property 'value' of null".
Screenshot
Steps to reproduce
Click on the DeviceGroupDropDown on dashboard panel and type a device group name or type any character.
Press backspace to erase the typed character
you should get the type error now
Possible solution
... before calling the OnChange() method we can check if 'value' parameter is null or not.
Type of issue
Description
... When you try to filter the list of devices based on device group using DeviceGroupDropDown, it will work just fine in case if you select one of the option available in the select box. However when you try to filter by typing in the keyword and press backspace key to clear what you just typed, it will produce a error saying "TypeError: cannot read property 'value' of null".
Screenshot
Steps to reproduce
Possible solution
... before calling the OnChange() method we can check if 'value' parameter is null or not.