Javascript - Know If A RadToolBarButton Is Checked Or Not With JS?

Sep 16 10 at 16:07

I'd like to know if there is a way to tell if the RadToolBarButton "Filter" is checked or not using JS.

<telerik:RadToolBar ID="SelectionToolBar" runat="server" OnButtonClick="SelectionToolBar_Click" OnClientButtonClicking="clientButtonClicking">
<telerik:RadToolBarButton Value="Flagged" Text="Flagged Reports" Group="ViewMode" CheckOnClick="true"/>
<telerik:RadToolBarButton Value="Separator" IsSeparator="true"/>
<telerik:RadToolBarButton IsSeparator="true"/>
<telerik:RadToolBarButton ImageUrl="~/images/refresh.png" Value="Refresh" ToolTip="Refresh"/>
<telerik:RadToolBarButton IsSeparator="true"/>
<telerik:RadToolBarButton Value="Filter" ImageUrl="~/images/funnel.png" CheckOnClick="true" Checked="false" AllowSelfUnCheck="true" ToolTip="Toggle Filters"/>

Since RadToolBarButton is a subset of RadGridSelectionToolBar I wasn't sure how to get the property of one specific button.


Javascript - Getting Checked Input Values In A Specific Div

Mar 10 at 14:36

Here is my div that is contained more than once by my page:

<div class="formContainerDiv" style="width:165px">
<td colspan="2">
Assign To<br />
<asp:CheckBoxList ID="CheckBoxListLoginUsers" runat="server">
<br />
Note<br />
<asp:TextBox ID="TextBoxNote" runat="server" TextMode="MultiLine" Width="150" ClientIDMode="Static" class="textBoxNote"></asp:TextBox>
<br />
<input type="button" class="saveAssignment" value="Save"/>
<td style="text-align: center;">
<a href="javascript:void(0)" class="formContainerDivClose">Close</a>

And that's my jquery function:

$(".saveAssignment").click(function () {
var div = $(this).parents(".formContainerDiv");

I can select the appropriate formContainerDiv. But I need to get the values of checked checkboxes and the value of TextBoxNote.

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C# - Enable Textbox With Checkbox Checked With Javascript?

Jan 20 at 13:46

I am trying to enable/disable textbox when checkbox is checked (enable) or unchecked (disable). WIth the piece of code i have nothing is happening once the checkbox is checked/unchecked.

Here is what I have:

<%@ Control Language="C#" AutoEventWireup="true" CodeBehind="AssociationInfo.ascx.cs" Inherits="Administration.Modules.AssociationInfo" %>
<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="asp" %>
<script type="text/javascript" language="javascript">
function enableTextBox() {
window.onload = function () {
var check = document.getElementById("chkAssociation");
check.onchange = function () {
if (this.checked == true)
document.getElementById("txtAddress").disabled = false;
document.getElementById("txtAddress").disabled = true;
<h2>Association Info</h2>
<br />
<asp:CheckBox Checked="false" ID="chkAssociation" runat="server" />
<asp:TextBox ID="txtAddress" Text="Test" runat="server" />

The code is in web user control. Could that be reason why is not working correctly?

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Aug 31 10 at 3:14

ASP.NET3.5 Webforms. Am trying to put a validator on the drop down list, only if the checkbox is checked.

This doesn't work. If I put an alert in the onclick event, it does show.

<script language="javascript" type="text/javascript">
function setVal(sender) {
var myVal = document.getElementById('<%=(DropDownList)CreateUserWizard1.CreateUserStep.ContentTemplateContainer.FindControl("ddlSupplierCouncilArea")%>');


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Apr 14, 2010 06:36 AM

I am using Repeater and i have checkbox in every row. I have to post all the rows to a DB Table.

The problem is:When i uncheck a row and then press the save button , all the rows are getting saved.

I checked with debugger that actually i see the checkboxes unchecked , but the debugger shows them checked.

Checkboxes have JAvascript onclick events associated with them.


My javascript function updates the labels on the page.My getvalues from repeater code is as follows. i am checking all the rows whether checked or unchecked.

why checkboxes are showing always true whereas they should have been false (as they are unchecked).

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Nov 20, 2009 05:50 AM

How do i handle radio button checked change event in javascript.

I have a radiobutton list which will have 3 radio buttons ..whenevr i click on any of these radiobutton it has to perform corresponding operation..(only javascript)

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JavaScript - Check If A Checkbox Is Checked In A Group Of Checkboxes In Clientside?

Apr 3 at 11:31

note that the scenario is ASP.NET Webforms + Master - Content page which mess up the ids.

I have, say, three checkboxes

<asp:CheckBox ID="chkConsultantQuality" runat="server"
<asp:CheckBox ID="chkConsultantEnvironment" runat="server"
<asp:CheckBox ID="chkConsultantSafety" runat="server"

I would like to make a div id="CompanyPanel" on click event of each checkbox according to the following condition

visible if any of the checkboxes are checked.

hidden if all of the checkboxes are unchecked.

I am planning to use jQuery since I am selecting by class name. I could do it with jQuery.each on the class='company' by checking each for a checked flag.

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Mar 17 10 at 14:21

I have a checkbox which in some cases may be disabled and checked using javascript, i.e:

var cbTest = document.getElementById("CheckBoxTest");
cbTest.disabled = true;
cbTest.checked = true;

However, when sending a postback, CheckBoxTest.Checked is false on the server side.

Is it possible to disable the checkbox and still have the server side recognize it as checked?

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Sep 20 10 at 10:52

In my website; i have REPEATER control having child control checklistbox , dynamically generates in code behind.I would like to know how can i write javascript function where i have to check at least one checkbox should be checked.

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Mar 29, 2011 11:10 AM

<asp:GridView ID="GridViewRDR1_Hidden" runat="server" >
<asp:CheckBox ID="chkRDR1Hidden" runat="server" AutoPostBack="true" onclick="javascript: calculateTotal();" />

how do i write a javascript fucntion to check whether the checkbox was checked or not?

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Dec 04, 2010 12:48 PM

I have used below code.

<asp:RadioButton GroupName="grpAssoc" ID="rbtEvery" runat="server" Text="Everyone"
onclick="return doChangeAssociationType(0);" AutoPostBack="True" oncheckedchanged="rbtEvery_CheckedChanged"
but oncheckedchanged="rbtEvery_CheckedChanged" not firing even javascript function returns true

How to fire the event?

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Mar 15 10 at 1:07

I have a treeview in my .aspx: <asp:TreeView ID="tvDocCatAndType" runat="server" /> Not much else going on in the page -- two <asp:LinkButtons> and one <asp:Label>; the page is a child of a master page, so these controls are within a <asp:Content> control. I populate the treeview in code -- just 3 node levels, including the root node. All nodes have checkboxes, and I initialize all node.Checked to true. I have some Javascript to do the usual check/uncheck up and down the tree as parent and child node checkboxes are toggled.

No matter how many checkboxes I clear in the UI, on postback every single node has node.Checked = true regardless of the state of the checkbox in the UI. This is not the first time I've used a treeview, but I've never had this problem before. I created this page by light adaptation of an earlier project that works fine.

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Nov 09, 2009 02:12 AM

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Oct 22 10 at 14:32

I have an html checkbox that controls a list of checkboxes. I want this checkbox to display in a sorta "null" state where it is neither true nor false.
<div style="width:90px">
<input id="chkAll"
runat="server" type="checkbox" />

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May 03, 2010 10:45 PM

I have a GridView that I was previously populating via an ObjectDataSource, and this code was working perfectly (ie, when the checkbox was checked Checkbox.Checked = true):



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Mar 11, 2011 02:15 AM

<asp:CheckBox ID="chkRDR1" runat="server"/>
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Aug 26, 2010 08:07 PM

In the code I have here, I need to set the checkbox state from a database but I dont know the properties:


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Dec 29, 2005 07:02 PM

I'm adding a checkbox to my Web Form in the CodeBehind class and setting its Checked property to False. I've verified the value as I'm debugging my code.


When the checkbox is written out to the browser, it's written as:

<input type="checkbox" checked="False" id="fndt_WaiverTransferCharge" />

Apparently the checked="False" attribute confuses the browser and I end up with a checked checkbox. On PostBack when I test the value of the checkbox, it's False (unless I change it) so it's got to be a browser presentation issue. I know that when you write a checkbox in straight HTML, the checked attribute doesn't require a value, i.e.:

<input type="checkbox" checked />

Is there a way to fix this?

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Jun 22, 2009 01:13 PM

So I love MVC and I love Html Extensions and now I want to push it a little further... If I wanted to create something like an Html Helper that creates a javascripty style Calendar (for the sake of example as I don't want a calendar :-) how could I wrapper the javascript into the helper so that the consumer of the helper does not have to include the javascript on the page. MOST IMPORTANTLY though I want to have many instances of my calendar on the same page, if I put the Javascript in the Html Helper it will get written out 3 times to the page which is no good, so I am wondering how to get around this.

Essentially I want to know whether I can access the page's DOM whilst the Html Helper is being run so that:1) I can add javascript script/src tags (did I mention I don't want to have inline javascript :-)2) I can query the DOM to check whether the required script has already been included by a previous call the same Html Helper.This may be a no-brainer for some mvc/asp guru out there, it may also be the case that you can't access the DOM at runtime via c#

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Nov 17, 2010 08:59 AM

I have some code here in view-page


How can I get checked value from chechboxes above .

I'd like the output checked field wrapped in


What Datatype (if needed) should i create in the model ?

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Jun 14, 2009 05:11 PM

I have a radiobuttonlist with two radiobuttons (yes,no). I want to check on page load which of the radiobutton in this list is selected. How can I do this using javascript.

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Feb 09, 2009 01:33 PM

I've got four radio buttons for a poll and only want a single one to be checked (at most) at any given time so checking another should disable the other 3. I've tried

Protected Sub RadioButton4_CheckedChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles RadioButton4.CheckedChanged
If RadioButton4.Checked = True Then
RadioButton1.Checked = False
RadioButton2.Checked = False
RadioButton3.Checked = False
End If

But it doesn't seem to work dynamically.

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How To Add The Checked Rows To Database

3 Days Ago

I am new here,I have a grid with some checked & unchecked check boxes,& on click button of i want to add the checked rows to database,so which method will be best ?

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Dec 10th, 2010, 05:41 PM

I have the following code, it currently works fine. I would like to know if it's possible not to mark as checked the last two rows?


For Each row As GridViewRow In GridView1.Rows ' Access the CheckBox
Dim cb As CheckBox = row.FindControl("CheckBox2")
cb.Checked = True

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Jun 4th, 2009, 09:30 PM

I have checkbox in gridview column and want to count how many it is checked:

The number of tick checkbox doesnt shows up:

Want to count the checkbox.Checked > 0, how can i do this w/o a javascript?


DataTable dt = (DataTable)GridView1.DataSource;
int count = 0;
if (cb.Checked == true)
DataRow row = dt.Rows[count];
lbl.Text = row;

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May 03, 2009 03:27 AM

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Dec 22, 2010 04:35 AM

In my page,on one button click ,i am creating a checkbox dynamically and in other buton click i need whether the checkbox is checked or not.

For me every time it is showing as not checked eventhough i cheked the checkbox..

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Can Validate That A Checkbox Has Been Checked

Feb 13 10 at 13:25

Using Webforms how can I validate that a checkbox has been checked. (I cannot do a postback) has to be in javascript (either custom - working with the existing validation controls for other fields. or using a .net validation control)

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Jan 1 at 15:36

If i have 3 checkboxes in my webform namely : CheckBox1, Checkbox2, Checkbox3 and a textbox namely textbox1

If Checkbox1.text ="1"
Checkbox2.text ="2"
Checkbox3.text ="3"


if checkbox1 is already checked ... if checkbox is remain checked and even after i check checkbox2 and checkbox3 then the output in textbox would be 2,3 ..... by ignoring already checked checkbox text ...

LOGIC I WANT : Ignore already check checkboxes and insert recent checkbox text to textbox1 as comma seperated string ...

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Dec 10, 2009 07:49 PM

i would like (1) to test that the file being opened is a pdf file and not something else but my check doesnt do this and (2) if valid pdf file then open it in a new browser.

protected void Page_Load(object sender, EventArgs e)
if (!IsPostBack)
if (HostingEnvironment.VirtualPathProvider.DirectoryExists("~/Documents/" + CurrentPage.PageName))
//Message.Text = "Could not find path";
UnifiedDirectory vdir = (UnifiedDirectory)HostingEnvironment.VirtualPathProvider.GetDirectory("~/Documents/" + CurrentPage.PageName);
ddlDoc.DataTextField = "Name";
ddlDoc.DataValueField = "VirtualPath";
ddlDoc.DataSource = vdir.GetFiles();
else if(ddlDoc.Items == null || ddlDoc.SelectedItem == null || ddlDoc.SelectedValue == null)
ddlDoc.Items.Add(new ListItem("No brochure available",
"No brochure available"));
protected void OK_Click(object sender, EventArgs e)
if (Response.ContentType == ".pdf")
Response.Redirect(ddlDoc.SelectedValue, true);
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Dec 06, 2010 09:36 PM

how to get the item which was checked last in a checkboxlist. Consider the following example



Suppose i first check item2 and then item3, is there anyway to know which of the items was checked secondly?

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Sep 08, 2010 01:54 PM

I'd like to set one of a few radiobuttons to checked dynamically. They are called rbTheme1-rbTheme7. I can find them (for example the one called rbTheme3) with the code below but how do I set it to true at the loading of the page?

int buttonID = 3;
string buttonName = "rbTheme";
(RadioButton)themePick.FindControl("buttonName" + buttonID.ToString());

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Jan 12, 2011 01:53 PM

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Nov 19, 2008 01:32 PM

I am currently building a page that asks the user to enter their details.At the head of the page there are 4 radio buttons where the user choses whether it is just one passenger, two, three, or four. If it is just one passenger then the form stays the same. However if they select two, three, or four passengers then more passenger <div>'s should appear to enter the details of the other passengers.

Here are my radiobuttons
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Mar 30 09

How do I display a checked check box list?

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If some one checks B and clicks Search, I just want it to write B!

My code doesn't work (it can't convert from Char to String)


I know this must be a simple thing, but I can't work it out!

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Jan 19, 2010, 07:29

I have a repeater that repeats a bunch of questions. Each questions has answer options, therefor each RepeaterItem has a RadioButtonList.

I bind to the repeater on page load if the page is NOT postback. And in the repeater Item DataBound event i bind to the RadioButtonList.

Then wen I click on the submit button, I want to loop through all the controls and get the selected value of each list. But for some reason every single Item is False when I check is selected. Or -1 if I say selectedIndex.

This is the code I use to loop through the items on the button click.


I have also tried printing out the text values and whether its selected or not. It gets all the text values correctly, but always say False for selected or -1 for selectedIndex.

And after the postback nothing in the list is selected. So I think it has something to do with the way its bound, but I am not sure what I am doing wrong.

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Oct 14 10 at 12:20

I have a gridview with one column of checkboxes and other columns with different custom controls. What I want is that when a checkbox is checked an event is triggered which toggles the visibility of other elements in the row .

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Jan 08, 2010 09:29 AM

I have the following code in my view


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Dec 14, 2009 04:24 AM

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Feb 18, 2009 03:14 PM

Can someone tell me how to capture a checkbox checked changed event when the change is triggered programmatically via javascript? I have a series of cascading checkboxes where unchecking checkbox1 will disable and uncheck checkbox2. Unchecking checkbox2 will disable and uncheck checkbox3, etc. I can handle this OK with the first level down but can't figure how to deal with checkbox3 if checkbox2 is disabled via the checkbox1 uncheck.

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