User-1838255255 posted
Hi louiejay915,
According to your description, as far as i know, you want to disable the tab index change when use arrow keys in JS, I think you could use JS to detect which key be pressed:
OnKeyDown to get arrow key pressed:
http://www.plus2net.com/javascript_tutorial/arrow-key.php
Then you could check the following code about how to disable the tab index change in JS, execute the disable function inside arrow key press function:
https://forums.asp.net/t/1415463.aspx?How+to+stop+tab+changing+from+client+side+
Best Regards,
Eric Du