<?xml version="1.0"?>
<dbform:form 
    xmlns:dbform="http://bitflux.org/dbforms2/1.0"
>

    <dbform:fields table="newsletter_from">

        <dbform:field name="sender" type="text" descr="Sender"/>

    </dbform:fields>    
    <dbform:chooser namefield="concat(sender,' (',id,')')" wherefields="sender" limit="50"/>    

</dbform:form>
