For creating sequential numbers:
http://www.mcgimpsey.com/excel/udfs/sequentialnums.html
To check for duplicates:
http://www.cpearson.com/Excel/Duplicates.aspx
In article <(E-Mail Removed)>,
Jeff <(E-Mail Removed)> wrote:
> hi all,
>
> hello my name is Jeff, i work as a quantity surveyor in auckland, new
> zealand. i need a function creates a Quote Number everytime i click
> at a command button. as sometimes we double the quote number. and if
> there are anyway to check if there are some Quote Number that was
> double. example is if dn5555 has appeared twice in column A.
>
> Example below
>
> Cell Value
> A1 dn0001
> A2 dn0002
> A3 dn0003
> .
> .
> .
> A9999 dn9999
>
> thanks in advance. appreciate any help.
>
> cheers.
>
> Jeff