> -----Original Message----- > From: Németh Zoltán [mailto:znemeth@xxxxxxxxxxxxxx] > 2007. 03. 23, péntek keltezéssel 10.45-kor Dan Shirah ezt írta: > > Okay, I feel like the correct answer to this is about 2mm back > in my grey > > matter. > > > > 1. I have a query that pulls the last row number when a newly inserted > > record is added: > > > > $maximum="SELECT MAX(payment_id) FROM payment_request"; > > $max_result=mssql_query($maximum); > > while($max=mssql_fetch_row($max_result)){ > > } > > $max_id = $max[0]; > > > > 2. I have multiple selections for the user to pick, but > regardless of what > > they choose I want the $max_id variable to be passed to the next page. > > > > 3. Would I go about this by assigning $max_id to a hidden > field like below? > > > > <input type="hidden" value="<?php echo "$max_id"; ?>" size="5" > > maxlength="10" name="max_id" /> > > > > 4. And then to retrieve this value on my next page just get it out of > > $_POST['max_id'] ?? > > > > Does that all sound correct? > > basically yes Personally, I'd put it in a session variable. This reduces the amount of data sent to/from the client and also stops anyone altering the value themselves. > but if you want the id of the row you just inserted, using > mysql_insert_id() is better because if another insert is happening at > the same time, select max() may give you incorrect result This would be true if he was using MySQL. The code given uses MSSQL and there is no mssql_insert_id function (in my PHP manual). Edward -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
