Prevent Duplicate Items Added Into Listbox?

Jan 20, 2010

I would like to prevent the addition of duplicate items in the following situation.Firstly, I have a listbox with a few options such as

<select id="listbox" name="listbox" multiple="multiple" style="width: 580px;">
<option>Java</option>
<option>PHP</option>

[code]....

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Prevent Duplicate Items Added Into DROPDOWNLIST?

Jan 21, 2010

I need to add items into a dropdown list, and the items would be sorted alphabetically and it does not allow duplicate items to be added.

Javascript
function addAnotherOption()
{
var newItem = document.getElementById("Text44");
if (!newItem.value == "")

[Code]...

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Feb 25, 2011

I have an ASP.net page where I load a record set server side and upload it into a listbox. I'm trying to do all the movement functionalities of the listbox items client side. Specifically, I'm trying to figure out how to copy selected listbox items from one listbox to another -- on button click. I've searched for a while, but every example that I found moves the actual item into another listbox, I just want to copy the selected item to another listbox.

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Prevent Duplicate Entrys In MySql?

Jul 20, 2011

Okay guys, this might be very simple, but i just cant find the answer.

What i want to do is prevent users from submiting entries that already exist in the database using php. code...

All want is to be sure that if the there is an existing row in name with an entry of 'asdf' (example) then it will echo something like name already exists, but if it doesnt i want it to echo okay. What happens is that it ALWAYS echos okay, in other words it always says there is no row named 'name' with the value of 'asdf'

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Jan 18, 2007

Could some one help me build a simple quick function to get the selected items in an HTML listbox and add them to a string var? I need to have the values seperated by "~"

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Moving Items In A Listbox

Nov 12, 2004

I have a fully working listbox that I'm having troubles with. The idea is to select from the first box and add to the second box. I've done this a variety of ways and wanted to use DOM as it solves some speed issues with the other solutions if the elements in the boxes are in the thousands.

The problem I'm having may be in IE6, note how using the code below that you can move items over to the right hand side using "Add >" and it sorts it the result like a good script. But when you start to move things the other way using "< Rem" the first box is fine, but the 2nd box never bothers to remove the results! From there on, the moving is pretty much broken. I suspect this is an IE bug since if I ALT+TAB and hide the browser then go back the results are as they should be, however, perhaps I'm just doing something dumb in my code? Code:

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Add Items From Database To Listbox

Jan 13, 2010

I have a mysql database and I want to put each field's data in a listbox. all I can think about is that I need to have a SQL query to get the data but how??

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Add / Remove Items In Listbox PERMANENTLY

Jan 14, 2010

I would like to know how to add/remove items from listbox PERMANENTLY. Sad to say, all I have found are adding/removing items temporarily.

<!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" >
<head>
<title>Untitled Page</title>
<script language="javascript" type="text/javascript" >
[Code]....

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Sort Items Regardless Of Uppercase / Lowercase In Listbox?

Jan 26, 2010

I would like to sort the items regardless of uppercase/lowercase after moving them to another listbox. Here is my code, and I cannot figure out what is wrong with it.

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "[URL]">
<html xmlns="[URL]" >
<head>
<title>Untitled Page</title>
<script language="javascript" type="text/javascript">
function MoveItem(unselectedLst, selectedLst) { .....

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Looping Through ASP.NET Runat = Server Listbox Items?

May 10, 2010

I'm trying to loop through a listbox that is runat="server" (to get all the values of the items inside the listbox regarless of if they are selected or not). Now i have searched for hours on end and still don't find anything (all the examples is just for the selected items....). What is a the correct way of doing this. O, i want to do it with jQuery preferably.

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JQuery :: Select All Of The Items In A Multiselect Listbox Using A Checkbox?

Jul 19, 2011

I am trying to select all of the items in a multiselect listbox using a checkbox and and the change event. I have it working correctly but the problem is that it is extremely slow. There are about 420 items in the listbox loaded from a d.b. I noticed that the scroll bar also scrolls when the items are selected which i dont want.

$(document).ready(function () {
$('#AutoSprinkAll').change(function () {
$('#lstAutoSprink option').each(function() {

[code]...

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Display Html Depending On Selected Items In Listbox

Aug 25, 2003

i'm after some script to display some html depending on what is selected in a list box
the html i want to display are checkboxes so it's more stuff for a form i'm using lotus notes, so i have to use javascript.

i can get it to display a checkbox if a particular item is selected but it won't show up in place, it loads a new page with the check box the only thing on that new page.

function updateChecks()
{
string = "";
if (document._WEBRequest.dataReq.value == "blah") {
string = "<input type="checkbox" name="check" />";
string += "Boundary";
}
return string;
}
function writeChecks()
{
document.write(updateChecks());
}
the writeChecks() function is called onChange for the listbox

also don't have much clue as to how to make it show more checkboxes if more than one item is selected in the listbox.

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Countries Listbox, For Instance If Choose Singapore Listbox It Should Display The Corresponding States Listbox Of Singapore?

Jul 6, 2006

I have countries listbox, for instance if i choose singapore listbox it should display the corresponding states listbox of singapore, if i chose anyother country it should display a label saying "ENTER STATE" followed by a blank textbox.

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Auto-Scroll To The Multiple Selected Item In The Listbox ListBox In C #

Nov 8, 2011

how to position selected item automatically WITHOUT SCROLLING DOWN using C#

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Onchange Listbox Fill Related Course In Second Listbox?

Sep 13, 2010

<?php
require("db-connect.php");
$slt ="SELECT * FROM assingment2 ORDER BY user_id asc";

[code]....

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JQuery :: [apycom Menu] Submenu Items Showing As Top Level Items In IE?

Jan 10, 2010

version of Apycom's jQuery menu; you can find itat http://apycom.com/ and it is looking really good.I have uploaded files, and published it on a test site - www.flexin.beUnfortunately, some of the submenus starting from the second that haschildren elements, it adds the item on the top level in InternetExplorer.Does anyone on this list has any experience with this library?

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Duplicate Function Name

Jul 23, 2005

i have a html page with some javascript functions in a js file linked
to it. now, if i create a function in the html page with the same name as one
of js functions, how can i call the function that exists on js file
(from html)?

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Trying To Duplicate CreateTextRange Functions

Jul 14, 2006

I am trying to make some IE-only JScript work on Firefox and Safari.
Does anyone know of equivalent methods for these functions?

document.selection.createRange()
document.body.createTextRange()

It is only necessary that any equivalent functions work on the lateset
versions of Firefox and Safari.

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How To Use A Duplicate Javascript In The Same Page?

Oct 31, 2006

using duplicate javascripts on the same page never work for me due
to the same property fields on the page twice. Anyone know how to get
around this?

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Setting The Duplicate Cookies?

Jan 12, 2010

My text and what I have been researching on the internet has not been very helpful in determining the code that I need to prevent a user from entering his/her information more than once. Here is my current code

<!DOCTYPE HTML PUBLIC "-//W3C//DTD.HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/htm14/loose.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">

[code]....

I have created a new web page to link the duplicate cookie too, titled doubleinfo.html. This is what I am using to let the user know that their information has already been entered.

My text is telling me that I need to look for a nextform() function, but I didn't have to write one so what would I need to do, if anything, to start the document.cookie = "name" codes?

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How To Duplicate Navigation Area

Mar 16, 2011

on my page below:[URL] I have a navigation of 1,2,3,4,5which when a user clicks on a different number the image changes, I need to have this navigation for the 4 other large boxes underneath?!here is the code to the page

<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>

[code].....

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Duplicate Checking In An Array

Aug 3, 2006

I have a single dimension array with the following data stored on it.

a[0] = 1~1~10
a[1] = 1~2~11
a[2] = 1~3~15
a[3] = 1~4~19
a[5] = 1~6~10

Here in my case a[0] and a[5] is duplicate because i am using 1 or 0 for active and deactivate purpose a[4] is deactivate value so we can ignore the 10 in this. so in my case 10 is repeated twice on a[0]and a[5] not a[4], so its duplicate value. can any one help me to solve this.

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Duplicate Variables Being Passed To GET

Nov 8, 2010

The problem I am having is when the following script is executed within my page and the user submits the form, the variables passed to the GET array are duplicated only for the inputs created by my script. I have other inputs in the form that are created within the HTML of the page that work fine (i.e. they only try to pass their value once) but I cannot get my script to work properly.

Here is my script:

Here is an example of what the url looks like after the form containing this script has been submitted:

The input (segments) created in my page only submits itself once, while anything created by the script (segment_type_1, segment_type_2, etc.) submits itself twice with the second, blank value overriding the first, correct value.

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JQuery :: Datepicker Duplicate IDs?

Jan 29, 2010

<!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" xml:lang="en" lang="en">[code]......

Based on the code above, i wanted to generate an array of input which have the ID "ordDate", so to populate the data into the input, i identify by name attribute.It works fine if i remove the ID for the input, but in my case,the ID is compulsory. Is there any workaround to cater for my needs?

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Restrict Duplicate In DropdownList?

Jun 30, 2010

I am having a table with rows created using a button click event. While adding rows to the table, I create drop dowlist using

Code:
objVehicles = document.createElement("<SELECT class='dropdownbox' id=Vehicles"+objAlertRowId+" name=Vehicles"+objAlertRowId+" STYLE='width:148px'; onchange='setDataChanged();toggleEditButton(" + objAlertRowId+ ",this.value);' >");
objNewRow.cells.item(3).appendChild(objVehicles);

And the output will be like the attached screen shot.

The control name as Vehicles0,Vehicles1 and so on Now I want to restrict that the the user select no duplicates from the List.

What logic I can implement ?

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Duplicate Values In Drop Down List Box

Jul 20, 2005

Problem: I have two dropdown list boxes with same data(all data driven).
These are used for two separate entries. For every entry you cannot choose the same value twice. For example, I cannot choose for entry 1 the same value in both selection boxes (gqCategory1Entry1 and gqCategory2Entry1)

This part works.

The second entry is the problem: When I choose a value for Entry
Two that is the same as in entry one it thinks that "Dubplicate
Divisons have been selected").

WHen in fact these are two separate entries.

Code:

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