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Thread: having trouble with iframe/javascript/php

  1. #1
    Join Date
    Dec 2010
    Posts
    6

    having trouble with iframe/javascript/php

    I'm new to all this and I'm slowly trudging my way through, but what I've got is an html form, named ORDERHDR, that contains an iframe. The iframe calls a php script that connects to a database & returns data in the form of a select/combobox. Then when the user chooses one of the options within the select/combobox I need to return that to the parent page. Most of this is working, except I'm not getting any value returned to the parent page; all I get is an undefined value. I'm not sure what I'm doing wrong so I could sure use some help. I've included below the javascript in the parent page that I'm attempting to use to retrieve the selection from the iframe; I've also included the html snippet that creates the iframe, and the php text that is within the iframe. Thanks for any help!

    Code:
    <script language="JavaScript" type="text/javascript">
     function getshiptoid(string) {
      var shiptoid=string;
      alert(shiptoid);
      ORDERHDR.SHIPTOID.value = shiptoid;
      alert(ORDERHDR.SHIPTOID.value);
     }
    </script>
    HTML Code:
    <td width="423"><iframe width="500" name="shiptoids" frameborder="0" height="25" align="middle" marginheight="0px" marginwidth="0px" src="http://netlink.proformsknox.com/nlhtml/custom/selecttest.php?requestorid=@VAR_REQR_ID_@">Your browser does not support iframes</iframe></td>
    PHP Code:
    <?php
    $connection 
    odbc_connect('phptest2','','');
    if (!
    $connection) {
    die(
    "Could not open connection to database server");
    }
    // generate and execute a query
    $requestorid $_GET["requestorid"];
    $query "SELECT shipto.shiptoid, shipto.shiptoname, shipto.address1, shipto.city, shipto.state, shipto.zipcode, nl_logon.shiptoid FROM shipto, nl_logon WHERE nl_logon.requestid = '$requestorid' AND shipto.shiptoid = nl_logon.shiptoid";
    $result odbc_exec($connection$query);
    echo 
    "<select onchange=\"parent.getshiptoid($shiptoid);\">";
    while (
    $rows odbc_fetch_row($result)) {
    $shiptoid odbc_result($result"shiptoid");
    $shiptoname odbc_result($result,"shiptoname");
    $address1 odbc_result($result,"address1");
    $city odbc_result($result,"city");
    $state odbc_result($result,"state");
    $zipcode odbc_result($result,"zipcode");
    echo 
    "<option onchange=\"onSelection(this.options[this.selectedIndex].value)\">";
    echo 
    "$shiptoname&nbsp;&nbsp;&nbsp;&nbsp;";
    echo 
    "$address1&nbsp;&nbsp;&nbsp;&nbsp;";
    echo 
    "$city&nbsp;&nbsp;&nbsp;&nbsp;";
    echo 
    "$state&nbsp;&nbsp;&nbsp;&nbsp;";
    echo 
    $zipcode;
    echo 
    "</option>";
    }
    odbc_close($connection);
    echo 
    "</select>";
    ?>

  2. #2
    Join Date
    Mar 2007
    Location
    U.K.
    Posts
    1,127
    Assuming ORDERHDR is the name attribute of the form in the parent page:
    Code:
    function getshiptoid(str) 
    {
       parent.document.forms.ORDERHDR.SHIPTOID.value = str;
    }
    Where used, return should be executed unconditionally and always as the last statement in the function.

    That's my signature, it's not part of the damn post!

  3. #3
    Join Date
    Dec 2010
    Posts
    6
    Thanks for the help! I changed my function to match what you suggested and I'm still getting an undefined value returned; could the problem be in the php portion of this?

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