Hello Maxim,
The NumericTextBox widget validates user input using
keydown and
keypress events. Unfortunately,
keypress is not triggered in mobile devices and most importantly
keydown event
cannot be prevented. Demo demonstrating this can be found
here.
This mobile browser limitation prevents the correct widget behavior and unfortunately I am out of ideas how this issue could be overcome. I would suggest you use a regular <input type="number" /> element in mobile devices.
Regards,
Georgi Krustev
Telerik
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