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Check for duplicate email address as well as username (user registration)

Thread began 10/02/2009 4:01 pm by phil | Last modified 1/16/2010 11:30 am by phil | 7684 views | 23 replies

dan361748

  Then add server validation. For the username, use Numeric validation. Set the server variable to "$totalRows_usernameLookup", set the minimum to -1 and the max to 0. same for the the email, use numeric validation. Set the server variable to "$totalRows_emailLookup" the minimum should be set to -1 and the max set to 0.

Setting the validation this way will check that either recordset is empty.  



I wonder if you could expand on this a little? I have inserted the Server Validation from CSS Form Builder but am having trouble with the last bit.

I choose 'alphanumeric' for 'Validation Type' (there is no numeric on my list)

I enter the $totalRows_usernameLookup into the Server Variable field? Where do the -1 and 0 go?

Many thanks for your help.

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