worker_bee
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I am not using a debugger. It does not seem to get to the validation function. I tried putting an alert in just to indicate that it gets to the function but nothing shows up. The enter html works fine with the same javascript.
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There's a typo in the code. It really should be form1.zip.length.value. It still does not get processed.
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I have no problem validating a form that is straight HTML. However, I have a PHP form that does not get processed from an update form. Here is the abbreviated code that never gets validated: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" dir="ltr" lang="en-US" xml:lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7" /> <title> </title> <script type="text/javascript" src="script.js"></script> <script type="text/javascript"> function validate(form){ if (form1.zip.length !== 5) { alert("You must enter a zipcode with five characters."); document.form1.zip.focus(); return false; } return true; } </script> </head> <body> <?php include ("db1.php"); $tbl_name="client"; // Table name session_start(); // Connect to server and select database. mysql_connect("$host", "$username", "$password")or die("cannot connect"); mysql_select_db("$db_name")or die("cannot select DB"); // get value of id that sent from address bar $id=$_GET['id']; $_SESSION['id']=$id; // Retrieve data from database $sql="SELECT * FROM $tbl_name WHERE id='$id'"; $result=mysql_query($sql); $rows=mysql_fetch_array($result); $status=$rows['marital']; ?> <table width="300" border="0" align="center" cellpadding="0" cellspacing="1"> <tr> <td><form name="form1" method="post" onsubmit="return validate(this)"></td> <table width="100%" border="0" cellspacing="1" cellpadding="3"> <tr> <td colspan="4"><strong> Update Client into Database </strong></td> </tr> <tr> <td width="30%" align="right">First Name:</td> <td ><input name="firstname" type="text" id="firstname" value="<? echo $rows['firstname']; ?>"></td> </tr> <tr> <td width="30%" align="right">Last Name:</td> <td><input name="lastname" type="text" id="lastname" value="<? echo $rows['lastname']; ?>"></td> </tr> <tr> <td width="30%" align="right">Address1:</td> <td><input name="address1" type="text" id="address1" value="<? echo $rows['address1']; ?>"></td> </tr> <tr> <td width="30%" align="right">Address2:</td> <td><input name="address2" type="text" id="address2" value="<? echo $rows['address2']; ?>"></td> </tr> <tr> <td width="30%" align="right">City:</td> <td><input name="city" type="text" id="city" value="<? echo $rows['city']; ?>"></td> </tr> <tr> <td width="30%" align="right">State:</td> <td><input name="state" type="text" id="state" value="<? echo $rows['state']; ?>"></td> </tr> <tr> <td width="30%" align="right">Zip:</td> <td><input name="zip" type="text" id="zip" value="<? echo $rows['zip']; ?>"></td> </tr> <tr> <td width="30%" align="right">Country of Origin: </td> <td><input name="selcountry" type="text" id="country" value="<? echo $rows['country']; ?>"></td> </tr> <tr> <td width="30%" align="right">Birth Date:</td> <td><input name="birth" type="text" id="birth" value="<? echo $rows['birth']; ?>"></td> </tr> <tr> <td colspan="3" align="center"><input type="submit" name="Submit" value="Submit" ></td> </tr> </table> </form> </td> </tr> </table> </body> </html>