I do have an auto_increment for the record id.  But that is just a way for me 
to uniquely id the record.  Student numbers, barcodes, etc can change.

The reason I am using the do/while loop is:   Every student is getting a 
4digit pin for library, cafeteria and network access.  It has to be unique 
and we have been assigning a different range of numbers per building/grade.  
There are various procedural reasons for this.  I have verified that I am 
identifying the new student correctly and going into the do/while loop with a 
variable that holds the correct starting number for the appropriate pin 
range.  It's then just a matter of trying consecutive numbers till I find an 
available pin.  The pin may be available because a student left the school or 
because it's next available at the end of the line.

Anyway, I was not aware I could pick and choose my ranges in an AUTO_INCREMENT 

I appreciate any thoughts you may have.  Thanks.

On Monday 11 August 2003 02:41 pm, you wrote:
> Why don't you use an AUTO_INCREMENT field in your table to define a
> unique number?
> Ben
> -----Original Message-----
> I had a do while loop such as
> do {
>       mysql_query ($qupdate, $link);
>       $rslterror=mysql_error($link);
>       $number++
> } while ($rslterror!=null);
> Anyway, I fixed my dumb mistake.  If anyone would like to help me with a
> better one, maybe you can tell me if I am doing my do while correctly.
> It's only running through once, not getting a succesful insert  and
> dropping out.
> Thanks


Michael Cortes
Fort LeBoeuf School District
34 East Ninth Street
PO Box 810
Waterford PA 16441-0810

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