i have 1 page for submit this code
-----------------------PAGE1.ASP-----------------------------------------
SEND DATA pro_id by using from to PAGE2.ASP
----------------------- PAGE2.ASP-----------------------------------------
<input name="pro_id" type="text" id="pro_id" value="<%=pro_id%>" disabled="1">
-----------------------------------------------------------------------------
PAGE2 SUBMIT TO PAGE3.ASP
BUT page3 doesn't get a data from PAGE2.ASP
i don't know why
how can i do ..............................................................................
.................................................................................................
PS. variable pro_id. i have recieve from another page ...

and i want to submit this from to next page
for insert that data into my database.

but it can't .... computer dosen't recieve my from

You should post more code.
But from the code given the problem could be that
"<%=pro_id%>" means "write out the value of a local variable.
Since this variable is passed from a previous page, it most likely should be

"Request.QueryString("pro_id")"
or
"Request.Form("pro_id")"