.Net varible into client side JavaScript

I'm need to get a variable from my web app and place its value in a JavaScript.

I tried doing this with a Label but I get the HTML included. I don't think I can use the <%# %> from classic ASP?

Anyone have any ideas on how they would approach this problem?

2/10/2006 7:32:39 PM
asp.net.client-side 24353 articles. 1 followers. Follow

2 Replies

Similar Articles

[PageSpeed] 53

tbone_stl wrote:
Anyone have any ideas on how they would approach this problem?


and welcome to the ASP.NET forums.

It's possible to pass a variable to a javascript function. I created a small coding snippet:

<%@ Page Language="C#" %>


<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">


<script runat="server">


    private string _test;


    public string Test


        get { return _test; }

        set { _test = value; }




    protected void Page_Load(object sender, EventArgs e)


        Test = "This is a test";


        // Databind the page.






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

<head runat="server">

    <title>Untitled Page</title>

    <script type="text/ecmascript">

    function Test()


        alert('<%# Test %>');



    window.onload = Test;





    <form id="form1" runat="server">








As you can see, I made a public property that I fill up in the Page_Load eventhandler and later use it to get that string passed into the javascript.

Grz, Kris.

Read my blog. Handy Firefox plugins for web developers.

Workaround for non working Mark as answer buttons.
2/10/2006 7:49:35 PM

I am not sure what you are trying.. Confused [*-)]  but  here is one way of accessing variables in Java script

 function DefaultValue()


 var txt1 = document.getElementById("TextBox1");  // will get the TextBox1 ID

alert(txt1.value);   // Get the contents of TextBox1



My Blog

"Don't be afraid to be wrong; otherwise you'll never be right."
2/10/2006 7:55:07 PM

Similar Artilces:

Validation Controls in .NET ( Client side or server side?)
 i have a very basic question. We have all these validation controls in asp.net ( required field, range validator and others)..my question is the required field validator is a server side control. So does that mean that it does a post back?..is it client side or server side control  The only controls that post back are buttons and other inputs where you set AutoPostback="True", such as a dropdownlist or a textbox.  Another way of posting back is using an UpdatePanel and placing a trigger in it for a specified control and/or event. All controls are considered clien...

Jscript, moving from client-side to server-side (.NET)
Hey all I’m working translating a web-app written in client-side Jscript to run on the server-side as JScript.NET. Without needing to get too specific, I am using Jscript because the original page aggregated raw data to produce statistical results (this was done dynamically based on user 'sort-by' options). The final output is an html report that can be emailed. Because this is currently being done on the client side, as the raw data grows the load-time grows as well (to the point that has almost become unusable). I’m posting here to see if anyone has any experi...

When to use client side varidation and server side varidation in .net?
In .net or classic web application we can varidate user data either on client isde or server side. How to select which side varidate to be used? Thanks! Generally, I use both client and server validation. I make sure the input is in the correct format and reasonably valid on the client, then I verify the data on the server. The extent of validation also depends on the type of data that I need to validate.Here are a few references:Validating ASP.NET Server ControlsIntroduction to Validating User Input in Web FormsClient-Side Validation for ASP.NET Server ControlsSecurity Checklist...

communication between client side(java script) and server side in .net project
I have a question which is, when building a .net project, we are able to use server side code and client side code(java script). How do they communicate? Thanks Client Side coding works with the WebBrowser. So when ever you write client side code you have to keep browser compatability in your mind and you have to code. Server Side code works with Web Server (IIS) and it's ASPNET ISAPI's. The won't directly communicate with each other. But using AJAX you can all server side code from Client Side! Example article on Ajax@ http://www.devarticles.com/index2.php?option=content&task=...

How to write data to a file in client side using javascript or someother client side scripting language.
Hi, I would like to know how to write a data to a client side file using javascript or someother client side scripting language. The file type expected is ini file. txt file would also be appreciable. Thanks in advance.   If the site is a trusted and you are running IE then you could try http://www.w3schools.com/asp/asp_ref_filesystem.asp The Old Sewing FactoryThat twitter nonsense. You can write to the server, but not to the client's machine.  Being able to do so would be a huge security breach.When you ask a question, remember to click "mark as answered"...

.NET for client side?
Is this the idea of "Atlas" but using JavaScript rather than another technology? Atlas's goal is to abstract various browser implementations of DOM API and to ease out the developer's job to write rich client applications. Atlas hence makes use of the existing all-browser supported JavaScript to achieve this. Thanks for your reply.Let me convey my idea differently: I would like to author client side code using a class system. I recognise that Atlas is a technology for producing JS code, much in the same way that ASP.NET produces HTML for the browser.Will Atlas be m...

How to use client-side script(javascript) in .Net Remoting
Hi all,     It was known that SAO and Singleton object about .Net Remoting. When I Create an object in server side and hosting in IIS's virtual directory,I want to use javascript asynchronous invoking the remote object by HTTP channel, 80 port and SOAP formatter just like XMLHTTP invoking web service. My code as following, <script>  objXmlDoc = new ActiveXObject("Msxml2.DOMDocument"); objHttp = new ActiveXObject("Msxml2.XMLHTTP"); strEnvelope = ?? objHttp.onreadystatechange = function() { ......  }    szUrl = &...

.net validators + client-side javascript validation, EnableEventValidation=false
Scenario: 1. I have a DropDownList, with 2 listitems in the .aspx. appenddatabound=true and it is tied to a datasource (via datasourceid), autopostback=false, onchange=checkIfAddNew(this) [this is the client side onchange event]The second option on this dropdown is "Add New", and the checkIfAddNew function pops up a new window and when it returns, it adds the newly created option to the dropdown. In order for this to happen without asp.net getting mad, EnableEventValidation has to be set to false in the Page directive. In addition to this dropdownlist, there is a RequiredFieldValidator...

Perform JavaScript Client Side Confirmation from a VB.NET DataGrid
Hi, I when I delete an item from the database through a Datagrid I want to get a messagebox popingup to give me the choise to Confirm it...in case I clicked the wrong item....the way it works now it just deletes it....can any one help me with an Example I have no Idea how to do this...I found an article in C# but it didnt help me at all. here is my source code <asp:DataGrid ID="dgCustList" Runat="server" AutoGenerateColumns="False" DataKeyField="id" AlternatingItemStyle-BackColor="#F6F6F6" HeaderStyle-BackColor="#C4B58E" CellSpacing="0" CellPadding="2" GridLines="Vertical" Width="100%"...

In datawindow.net,access the database from client side event using javascript
In powerbuilder,for example,a datawindow has two columns:itemno,description. input an itemno,validate it.if not found from the database,return 1 to trigger itemerror event; if found,get the description of the item from the database,and fill it into the column "description". The question is how to fulfill the function in web datawindow,through web service? if so,I need an example to realize it. You will need to use AJAX or make a round trip on item change event. -- Dean Jones CEO PowerObjects http://www.powerobjects.com (612) 339-3355 Ext. 112 TeamSybase * *...

How to use client-side script(javascript) in DNA using .Net Remoting
Hi all,     It was known that SAO and Singleton object about .Net Remoting. When I Create an object in server side and hosting in IIS's virtual directory,I want to use javascript asynchronous invoking the remote object by HTTP channel, 80 port and SOAP formatter just like XMLHTTP invoking web service. My code as following, <script> objXmlDoc = new ActiveXObject("Msxml2.DOMDocument"); objHttp = new ActiveXObject("Msxml2.XMLHTTP"); strEnvelope = ?? objHttp.onreadystatechange = function() { ...... }   szUrl = "http://ServerNa...

Need help converting a C#/.NET method into client-side (javascript) function
Hey Guys, I have implemented an AJAX Toolkit CalendarExtender.  I have a method 'CheckDate' in javascript (followed a tut!) that checks to see if the user selected a date > DateTime.Now(). Well, I have a few other things to check but not sure how to do them in javascript, so I'm hoping someone here can help me.  I mean, i can somewhat convert it but it'll be too mangled, I'd rather learn the right way.  I'm attaching the code and any help will be appreciated.  1 protected string CheckDateErrors(string dateGiven) 2 ...

server side variables in client side javascript
I want to use an ASP.net variable in client side javascript.In regular asp I used hidden fields.what is the best way to do this in ASP.NET ?thx,Intersee my blog at www.Interdevelopments.com and check the future of open mobile widget solutions at www.glowe.org By and large, I personally still use Hidden fields to store information, that either my Javascript function or my code-behind use.  I barely use the RegisterScriptBlock method(s) and that is only for situations where I want to be really dynamic with the client side functionality.  95% of the time, I can still use a...

Client Side Javascript and Dynamic Client Ids
I have a gridview that has an edit row.  When I click on edit... It pops up a inline window with modal functionality in the css... I want to fire off a webservice to bring back data to populate the input fields on the form I created... one catch I created a tab container with panels to separate out the keyed in information... So, I found that the .net is doing this to the inputs...  <input name="ctl00$cphMainBody$tcEmployeeDetails$TabPanel1$txtFirstName" type="text" maxlength="25" id="ctl00_cphMainBody_tcEmployeeDetails_TabPanel1_txtFirstNa...

Web resources about - .Net varible into client side JavaScript - asp.net.client-side

JavaScript Kit- Your comprehensive JavaScript, DHTML, CSS, and Ajax stop
Your comprehensive JavaScript, DHTML, CSS, and Ajax stop

Let's Code: Test-Driven Javascript by James Shore — Kickstarter
James Shore is raising funds for Let's Code: Test-Driven Javascript on Kickstarter! A screencast series focusing on rigorous, professional Javascript ...

Eloquent JavaScript: A Modern Introduction to Programming
... and pragmatics. I loved the tutorial-style game-like program development. This book rekindled my earliest joys of programming. Plus, JavaScript! ...

Lightbox (JavaScript) - Wikipedia, the free encyclopedia
On a Lightbox-enabled page, a user can click an image to have it magnified in a Lightbox window, which resizes itself according to the size of ...

Open Directory - Computers: Programming: Languages: JavaScript: Tools: Obfuscators
about dmoz - help Top : Computers : Programming : Languages : JavaScript : Tools : Obfuscators Tools for obfuscation/compression JavaScript code. ...

Facebook Open-Sources JavaScript Static-Type Checker Flow
The latest software to be open-sourced by Facebook is Flow , a static-type checker for JavaScript . (more…) New Career Opportunities Daily: ...

Under the Hood: The JavaScript SDK - The use of polyfills - Facebook
Facebook Engineering hat eine Notiz mit dem Titel Under the Hood: The JavaScript SDK - The use of polyfills geschrieben. Du kannst den vollständigen ...

Quickstart: Facebook SDK for JavaScript
This quickstart will show you how to setup the SDK, load social plugins, trigger a dialog, and get it to make some basic Graph API calls.

Facebook App Devs Get Javascript
It has been an oft-lamented fact of the Facebook Platform thus far in its life that, in order to use all but the most simple of Javascript functionality–the ...

Badass JavaScript (@badass_js) on Twitter
WebGLWorker is an open source library that allows using WebGL from Web Workers. Great work as always from @kripken . blog.mozilla.org/research/2014/… ...

Resources last updated: 1/23/2016 1:40:30 AM