disable keys using c#

[Timmothy]

hi,

i'm working in asp.net with c#.
in my application i am getting secret questions and answers from user.
i am making this particular aspx page in kiosk mode.

(i.e)when i run this page, it will be displayed in full screen.

now wat i want is, the user shouldnot come back from this page with out filling the form.

so i want to disable the key combination such as ALT+F4 , ALT+ESC,
CTRL+ALT+DEL............... .....

can any one help me how to do this........... ............... .......

its very urgent..

thanks in advance.

[azoapes]

hi,

i'm working in asp.net with c#.
in my application i am getting secret questions and answers from user.
i am making this particular aspx page in kiosk mode.

(i.e)when i run this page, it will be displayed in full screen.

Are you talking about an aspx page displayed in the user's web browser? Then that's impossible to prevent. There are always ways to get around such kind of protection. Just imagine your visitor turning off Javascript or using a very uncommon web browser in an even more uncommon OS.

[Timmothy]

Are you talking about an aspx page displayed in the user's web browser? Then that's impossible to prevent. There are always ways to get around such kind of protection. Just imagine your visitor turning off Javascript or using a very uncommon web browser in an even more uncommon OS.

but, our professor asked like this only. so we have to do. so plz give some tips and techniques. we searched lot of websites but we find nothing.
its very urgent........
can any one give me some sample code for disabling hot keys........... ....