Hi Phuc, I work around the problem and I fix the problem without the submit() function. It will dynamic update content in room by sending the sql_query to server and get info back.
thank for your response. Nguyen Trong Phuc wrote: > > i think that u can't, b/c php is server side while JS is client site. u can > doSubmit() when building is changed, then php script get infomation and > response to browser. > > Trong Phuc > > ----- Original Message ----- > From: "Phieu Huynh" <[EMAIL PROTECTED]> > Cc: <[EMAIL PROTECTED]> > Sent: Sunday, November 11, 2001 4:31 PM > Subject: pass variable in JS to php and mysql-query > > > <script language=javascript> > > function changebuilding (which) { > > sel_var = which.selectedIndex > > <? > > $sql_query = "select distinct room > > from general.room_info > > where building='$variable' group by level asc"; > > > > $sql_result = mysql_query($sql_query) or die (" Can't execute the > > query"); > > > > $i=0; > > while ($row = mysql_fetch_array($result_sec_level)) > > print ("ar[".$i++."] = \"".$row[0]."\";\n"); > > ?> > > for (i=0; i < ar.length; i++) { > > option = new Option(ar[i]) > > document.myform.room.options[i]=option > > } > > } > > </script> > > <body> > > <form name=myform> > > Building : <select name=building onchange=changebuilding(this) > > > <option>1</option> > > <option>2</option> > > <option>3</option> > > </select> > > Room : <select name=room > > > </select> > > </form> > > </body> > > > > > > I can pass the variable in building to $variable by submit button > > but I want to pass the sel_var variable to $variable and dynamic update > > the content in room. > > > > -- > > > > phil Huynh > > > > -- Phieu (phil) Huynh Computer System Officer Monash University Electrical & Computer Systems Engineering Phone : +61 3 990 53469 --------------------------------------------------------------------- Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail <[EMAIL PROTECTED]> To unsubscribe, e-mail <[EMAIL PROTECTED]> Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php