i am trying to pass float/double to the SP but it seems like it ignores it

[pelegk1]

on asp i do :
@cm_sp("val_float")=Trim(request("val_float"))
and in the SP i do:
@val_float as float=null
what it dosent get the value i send it?
(i checked for sure that the value from the form is in request("val_float")
any idea:?