Ho to get BackSpace - with only numbers limit in textbox ?

Question

hi

I insert this on KeyPress event:

e.Handled = !Char.IsNumber(e.KeyChar);

but i dont have the BackSpace key, how to fix it ?

thank's

Answer 1

How about:

e.Handled = !(Char.IsNumber(e.KeyChar) || e.KeyChar == 8);

Or equivalently:

e.Handled = !Char.IsNumber(e.KeyChar) && e.KeyChar != 8;

(As in rm's answer, you can use '\b' instead of 8 in the above code too.)

Answer 2

here's how to check if backspace was pressed:

if(e.KeyChar == '\b'){//backspace was pressed}