how to prevent backspace key in text box field 

how to prevent backspace key in text box field 

  


i have this screen.if i put backspace and then try to enter the value it does not take enter the value manually i wanted to prevent backspace from happening, so is there any way to way to Prevent backspace key


by jquery or ANY OTHER METHOD  


https://tarunkumar.outsystemscloud.com/LiveMovie/HomePage2.aspx HERE IS MY LINK 

TO I WANT TO PREVENT BACKSPACE KEY ON FROMDATE INPUT FIELD  


I think something like this would do the trick:

http://jsfiddle.net/9KSad/7/

but where to write this code in outsystems?? can you please tell me ?? 

probably in an expression on the screen..