scotty22 Posted July 12, 2011 Share Posted July 12, 2011 Hi all, I have been struggling on a bit of code for a while now. I need to populate a second drop down list (Region) based upon the selection of the first (County). I have found a piece of code that works on its own and have adapted to suit my needs - see below. However, when I drop it into my main php page the javascript is not working. It's because of the formObject but I just don't know enough to resolve this! Furthermore, I need the textboxes already completed in the form to retain their value once the javascript kicks in. start of working example code <?php $link = mysql_connect('myhost', 'myusername', 'mypassword') or die('Could not connect: ' . mysql_error()); mysql_select_db('mydatabase') or die('Could not select database'); if(isset($_GET["County"]) && is_numeric($_GET["County"])) { $County = $_GET["County"]; } if(isset($_GET["Region"]) && is_numeric($_GET["Region"])) { $Region = $_GET["Region"]; } ?> <script language="JavaScript"> function autoSubmit() { var formObject = document.forms['theForm']; formObject.submit(); } </script> <form name="theForm" method="get"> <!-- County SELECTION BASED ON city VALUE --> <?php ?> <select name="County" onChange="autoSubmit();"> <option value=''</option> <?php //POPULATE DROP DOWN MENU WITH COUNTRIES FROM A GIVEN city $sql = "SELECT * FROM county_regions"; $counties = mysql_query($sql,$link); while($row = mysql_fetch_array($counties)) { echo ("<option value=\"$row[CountyID]\" " . ($County == $row["CountyID"]? " selected" : "") . ">$row[County]</option>"); } ?> </select> <?php ?> <br><br> <?php if($County!= null && is_numeric($County)) { ?> <select name="Region" onChange="autoSubmit();"> <?php //POPULATE DROP DOWN MENU WITH RegionS FROM A GIVEN city, County $sql = "SELECT * FROM county_regions WHERE CountyID = $County "; $Regions = mysql_query($sql,$link); while($row = mysql_fetch_array($Regions)) { echo ("<option value=\"$row[CountyID]\" " . ($Region == $row["CountyID"]? " selected" : "") . ">$row[Region]</option>"); } ?> </select> <?php } ?> end of code Here is my page - edited quite a bit to save on space! Start of my code where the Javascript is not working <head> <script language="JavaScript"> function autoSubmit() { var formObject = document.forms['subform']; formObject.submit(); } </script> </head> <form enctype="multipart/form-data" method="post" action="add_attraction01.php" FORM NAME="FormName"> <input type="hidden" name="MAX_FILE_SIZE" value="32768" /> <label for="Business_name">Business Name</label> <input type="text" size="60" STYLE="color: #FFFFFF; font-family: Arial, Helvetica, sans-serif; font-weight: bold; font-size: 12px; background-color: #72A4D2;" <id="Business_name" name="Business_name" maxlength=60/><font size="1" face="arial" color="red">Required field</font><br /> <label for="StreetAddress">Address</label> <input type="text" size="60" rows="2" id="StreetAddress" name="StreetAddress" maxlength=120/><font size="1" face="arial" color="red">Required field</font><br /> <label for="Town">Town</label> <input type="text" size="25" id="Town" name="Town" maxlength=25/><font size="1" face="arial" color="red">Required field</font><br /> <?php $link = mysql_connect('myhost', 'myusername', 'mypassword') or die('Could not connect: ' . mysql_error()); mysql_select_db('mydatabase') or die('Could not select database'); if(isset($_GET["County"]) && is_numeric($_GET["County"])) { $County = $_GET["County"]; } if(isset($_GET["Region"]) && is_numeric($_GET["Region"])) { $Region = $_GET["Region"]; } ?> <form name = "subform" method="get"> <select name="County" onChange="autoSubmit();"> <option value=''</option> <?php $sql = "SELECT * FROM county_regions"; $counties = mysql_query($sql,$link); while($row = mysql_fetch_array($counties)) { echo ("<option value=\"$row[CountyID]\" " . ($County == $row["CountyID"]? " selected" : "") . ">$row[County]</option>"); } ?> </select> <?php ?> <br><br> <?php if($County!= null && is_numeric($County)) { ?> <select name="Region" onChange="autoSubmit();"> <?php $sql = "SELECT * FROM county_regions WHERE CountyID = $County "; $Regions = mysql_query($sql,$link); while($row = mysql_fetch_array($Regions)) { echo ("<option value=\"$row[CountyID]\" " . ($Region == $row["CountyID"]? " selected" : "") . ">$row[Region]</option>"); } ?> </select> <?php } ?> <input type="text" size="20"id="Tel_No" name="Tel_No" maxlength=20 onkeypress="return isNumberKey(event)"/><font size="1" face="arial" color="red">Required field</font><br /> <br/> <input type="submit" value="Submit your attraction" name="submit" onclick="return BothFieldsIdenticalCaseSensitive();"/> </form> </body> </html> end of code It's probably obvious to you guys!! Thanks in advance for your help. Quote Link to comment Share on other sites More sharing options...
AyKay47 Posted July 12, 2011 Share Posted July 12, 2011 when specifying a <script> tag, you must specify the type attribute....the language attribute has been deprecated in favor of the type attribute, however you can keep the language attribute if you wish <script type="text/javascript" language="JavaScript"> Quote Link to comment Share on other sites More sharing options...
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