JavaScript form validation (stop form submit prior to the selection of the option chosen)

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• How can a form has been submitted via: onchange = 'this.form.submit ()'

  I'm hoping that it might be a simple answer to the question below.

  I have a page with a form and the form Send call the same exact page forms on. When I check the form variables after the submit button the form.button2 variable exists and has a value when I use a button to send the page.

  
  

  However, during the presentation of the page via OnChange ='this. Form.Submit () ' no form variable is being updated to reflect that the page submitted by the user.

  
  Is it possible to force a form variable to update so I can see that the user has come form this control through javascript?

  
  

  See the code example below and screenshot below

  
  code example...

  01

  xxxxxxxxxxxxxxx    Example with submit button.   xxxxxxxxxxxxxxxxx

  02

  <cfdump var="#form#"label="testit">

  03

  04

  <cfif isdefined("form.button2")>

  05

  06	<!--- Do somthing Here--->

  07

  </cfif>

  08

  09	<cfform name="testit"action="test.cfm">

  10	<selectname='myfield'>

  11	<option selected="selected"> --- Pick Drink ---</option>

  12	<option >Milk</option>

  13	<option>Coffee</option>

  14  <option>Tea</option>

  15

  </select>

  16	<input type="submit" name="button2" value="Submit">

  17

  </cfform>

  
  

  XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

  
  

  Notice, when I use the onchange = 'this.form.submit ()' he no button and nothing to test to see that the user came from this control xxxxxxxxxxxxxxx example with javascript no button.

  
  

  XXXXXXXXXXXXXXXXX

  01

  <cfdump var="#form#"label="testit">

  02	<cfform name="testit"action="test.cfm">

  <select name='myfield' onchange='this.form.submit()'>

  03

  04	<option selected="selected"> --- Pick Drink ---</option>

    <option >Milk</option>

  05

  06	<option>Coffee</option>

    <option>Tea</option>

  07

  08

  </select>

  </cfform>

  09

  10	XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

  **************

  
  

  Here are the results of the bucket with or without the Send button...

  
  

  any ideas would be greatly appreciated

  Thank you

  
  

  
  

  Use a hidden field instead of depend on the value of the button. The values button is present only if the user actually clicks on the button. By using the form submit event via a code or even the user pressing enter instead of clicking the button will result does no interest button is displayed.

• How can I find this process form.submit code?

  I'm doing an analysis of the code for the services of the Complutense University of MADRID. I started with CHECKIN_NEW_FORM and finally, finished in std_page.htm, where a postCheckInStandard function executes a command Form.Submit ();
  
  I understand that at this stage a request to the server is created - follow-up of the 'requestaudit' I know that he runs the CHECKIN_NEWservice.
  
  However, my question is, what piece of code determines what service should be run? What is something described on the front-end server (by definition of the code connects to the CHECKIN_NEW_FORM), or if it establishes as the back-end? If the latter, how can you find the relevant part of the code?
  
  Thanks in advance for any advice.

  Check the javascript code in the page. You will see that there is a line that by default is the chain of service:

  var checkinService = "CHECKIN_NEW";

  A lot of the form submission and processing is done within the function of js postCheckIn.

  Thank you
  -ryan

  Ryan Sullivan | ECMconsultant
  http://www.ecmconsultant.NET/

• Want to write the results to submit the login form to log on the server

  I cooked up a little family site to share memories and old photos. This is a members only site and I use a PHP login script that compares the user name and password to a list.

  I would like to know
  (a) if someone tries to guess their way in.
  (b) If a member is having connection problems... We have a few not so computer savvy family members which eventually get frustrated and give up.
  (c) whose members are logging... It is a new effort, to run one year on a trial basis... and it is worth.

  To do this, I add code to take the results of any shipment (on my login form) and to add the results of this to some sort of log file that I can periodically review. Because the foundations are in place this (I think) not an otherwise difficult task. But I have no idea on how to do this and hope someone can show me.

  Thank you for your time and help

  Ralph

  If it helps, it's the PHP code that I guess deals with the connection.

  / Repairable none by the user under this item. */

  $php_self = $_SERVER ['PHP_SELF'];

  / * Clean up variables: we only do $user and $password of the form. */
  $submit = $_POST ['submit'];
  $user = ";
  $password = ";
  If ($_GET ['user']) {}
  $user = $_GET ['user'];
  $password = $_GET ["password"];
  }
  If ($_POST ['user']) {}
  $user = $_POST ['user'];
  $password = $_POST ["password"];
  }

  session_start();

  / * Check the couple login/password until you find the one that is correct, or re-display the login form. */
  $loginsuccessful = FALSE;

  {foreach ($authorization as $loginpair)}
  {If (($user == $loginpair[0]) & & ($password == {$loginpair [1]}))}
  $_SESSION ['user'] = $user;
  $_SESSION ["password"] = $password;
  $loginsuccessful = TRUE;
  }
  {If (($_SESSION ['user'] == $loginpair[0]) & & ($_SESSION ['password'] == {$loginpair [1]}))}
  $loginsuccessful = TRUE;
  }
  }

  If ($loginsuccessful = TRUE) {}
  / * The user is connected, go on our merry way. */
  echo $loginmsg;
  } else {}
  / * User does not match our valid connection, their decline to the form. */
  $loginmsg = "invalid username or password";
  require ($indexphp);
  "exit";
  }

  No, it's not particularly difficult. Of course, you use a login script you obtained, because the code is very different from the one generated by Dreamweaver. Judging from the code, you do not use a database to store the usernames and passwords. Thus, you probably want to save the details of an external text file.

  Add the following code where indicated:

  if ($_POST['user']) {
      $user = $_POST['user'];
      $password = $_POST['password'];
  }
  
  // New code goes here
  
  $logfile = 'log.txt';
  $date = date('j M Y H:i:s');
  $address = 'Unknown';
  if (isset($_SERVER['REMOTE_ADDR'])) {
       $address = $_SERVER['REMOTE_ADDR'];
  }
  if ($file = fopen($logfile, 'a')) {
    fwrite($file, "\r\n$date $address $user $password");
    fclose($file);
  }
  
  // end of new code
  
  session_start();
  

  This will create a text file named log.txt in the same folder as the logon script. Since it is a text file, it should ideally be outside the root of the web server, then you must change the value of $logfile to point to a file outside of the root of the server, but in a folder where the script is allowed to write.

  Whenever someone tries to connect, it will record the date and time, IP address, if known, and the user name and password submitted.

  Once you got this job, I suggest you change the following line:

  if ($file = fopen($logfile, 'a')) {
  

  Change to this:

  if ($file = @fopen($logfile, 'a')) {
  

  This will remove any error message if the script is unable to open the log file. However, you should not do that change until you have things market, because deleting an error will prevent you to discover what the problem is if this does not work.

• Image buttons will not insert/updated custom forms submit updated

  ŒUVRES:

  < class tr = "KT_buttons" >
  < td > < input type = "submit" name = "KT_Update1" id = "KT_Update1" value = "Update file" / >
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  DOES NOT WORK:

  < class tr = "KT_buttons" >
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  zzipper7 wrote:

  Thanks for looking into that. I need a solution that works for most browsers. I have a CSS solution to the button send, but my boss prefers the custom images.

  Let me know what you find.

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• Submit the stop does not work when the Validation Code is executed

  Hi all!
  
  I would like to thank all those who help now, just in case I forgot to thank later.
  
  I worked on a form that collects a persons name, phone number, and type of event and send it to my email address (its for a catering company). Everything worked until I added a validation code that would ensure people were filling out the form, so I wouldn't take empty email.
  
  The Validation Code that I currently have is:
  
  function formValidationChecks() {}
  Import mx.controls.Alert;
  If {(name_txt.length == 0)
  _Global.styles.alert.SetStyle ("color", 0 x 000099);
  Alert.Show ("Name is a required field.", "Caution");
  Selection.setFocus ("name_txt");
  }
  Else if (phone_txt.length == 0) {}
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  Alert.Show ("phone is a required field.", "Caution");
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  Selection.setFocus ("event_txt");
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  }
  
  Once the form is completed and the user presses the button send, additional code is executed:
  
  on (release) {}
  {if (formValidationChecks ())}
  mySendVars = new LoadVars();
  mySendVars.name = name_txt.text;
  mySendVars.phone = phone_txt.text;
  mySendVars.event = event_txt.text;
  mySendVars.email = "[email protected]";
  mySendVars.send ("sendmail.asp", "_self", "POST");
  }
  
  }
  
  As everything is now, if I don't fill in all areas, he spits back my warning, but if everything is filled in and press the button submit, nothing happens, no email...
  
  It became frustrating... any help would be greatly appreciated!

  You bet, I'm glad it helped.

  --
  Dave-
  www.offroadfire.com
  Developer leader
  http://www.blurredistinction.com
  Adobe Community Expert
  http://www.Adobe.com/communities/experts/

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