1.
${ pageScope.index+1 }
<%= index.intValue()+1 %>
2.
<input name="quantity${ pageScope.index }" value="<bean:write name="row" property="counter"/>" size="3" class="size10" type="text">
3.bad src:
<!--<input name="quantity" value="<bean:write name="row" property="counter"/>" size="3" class="size10" type="text">-->
<!--<html:text name="row" property="counter" size="4"/>-->${pageScope.index + 1}asdf