You could use a Recordset above the Server Validation code to check to see if there is a matching entry by filtering by both values. Then validate the value of:
<?php echo($Recordset1->TotalRows); ?> with number validation with a maximum of 0.
You could use a Recordset above the Server Validation code to check to see if there is a matching entry by filtering by both values. Then validate the value of:
<?php echo($Recordset1->TotalRows); ?> with number validation with a maximum of 0.
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