AJAX :: Can Send An Object From Client-side JavaScript To Server-side Code Via AJAX

Mar 16, 2011

I know that I can receive an javascript object from the server via ASP.NET AJAX using Json. But I am not sure how can I send an javascript object from my client-side javascript to my server-side code. And if I can, how can I extract this object in my server-side code and access its members?

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First Invoke Server Side Code Then Client Side Script Without Using AJAX?

May 18, 2010

in a form i have a buttoin, when click both OnclientClick and postback should happen. on clicking the "Email" button a client side "mailto" tag should do the work and pull a new message window on the client's machine.

whereas, the email addresses should be invoked by the post back. so , when clicking the button the server side post should happen and on return the client side script should be invokded with the values read during post back, and populate all the email addresses.

i need know how to first do a server hit take the values and then execute the client script with those values without using AJAX

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AJAX :: Create Server Side Object On Client

Jun 21, 2010

I've created a ScriptService / ScriptMethod that uses a custom class as an input parameter but can't figure out how to create an instance of the object on the client side.I thought that when I used ScriptManager and Ajax before the ScriptManager registered my server side classes for me or am I completely mistaken?

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Ajax - Listbox Items Client Side Reordering Not Reflected In Server Side?

Jan 5, 2010

I reordered some items in a listbox using Javascript. When I read the items in a postback in the code behind (ASP.NET), the order is in the original order. How do I get the same order as shown in the screen after Javascript manipulation?

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AJAX :: To Know Error Like Username Or Password Is Incorrect On Client Side Instead Server Side?

Oct 4, 2010

I m using site login Control in my login.ascx file and disaplaying login control in Div so if there is login link in page and i click on that then Login Div will popup which is site login.May i know how can handle error like username or password is incorrect on client side instead server side?

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VS 2005 AJax Tab Container - Enable The Server Side Not Client Side

Feb 4, 2010

I have set the ajax tabs disable on form load. ON button click, I want to enable the tab server side,not client side.

protected void btnEnableCostPetroleumTab_Click(object sender, EventArgs e)
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}

But its not enabling the tab?

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AJAX :: Calling Server Side Methods From Client Side Using PageMethods?

Jan 24, 2016

I am calling server side methids from client side using PageMethods. Can those methods return value back to client side. If yes then how and if no then how can that be achieved? refer to my code below.

function getValuesFromPSS(s,e)
{
debugger;

[Code]....

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AJAX :: How To Call A Server Side Method From Client Side

Jul 16, 2010

I am using VS2010 and .NET4 for a web app. I have a script manager/update panel that has a couple of grids.

The client just leaves the page opens and views an updated grid every 30 seconds or so.

I want to refresh the grid by calling the server side method to load the grid, but not load the whol page using meta refresh or similar (too much screen flicker and unnecessary bandwith).

Is it possible to set some timer using javascript or something and call a specific server method to refresh controls?

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AJAX :: Calling A Server-side Function From Client-side?

Feb 28, 2011

I want to do something a little bit tricky here. I want to call a server side fonction from the javascript. I know it can be done but I get some errors. This is my Javascript fonction where I want to call the server side fonction:

[Code]....

And this is the code in my VB page:

[Code]....

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Javascript - User Control With Client + Server Side CustomValidation; Wrong Client Side Validator Is Picked

Nov 23, 2010

I have a user control which contains a CustomValidator which is used according to whether a RadioButton is checked or not (there are several RadioButtons, I'm only showing the relevant one)

<asp:RadioButton runat="Server" ID="RadioBetween" GroupName="DateGroup" CssClass="date_group_options_control_radio" />
[code]...

There is some client + server side validation code (the server side code does exactly the same thing and is skipped for brevity)

<script type="text/javascript">
function ValidateDateFields_Client(source, args) [code]...

There are two instances of this control in the page. When running the client side version it hits the wrong one (the version of the control which is disabled). You can see from the generated HTML both are correctly specified. I'm not sure how .NET works out which clientside function to call given they both have the same name.

<script type="text/javascript">
//<![CDATA[
var ctl00_MCPH1_QueryTextValidator = document.all ? document.all["ctl00_MCPH1_QueryTextValidator"] : document.getElementById("ctl00_MCPH1_QueryTextValidator");

[code]...
Do i need to add something in to scope it? What's the best way to achieve this? If I disable the loading of the second control everything works fine.

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Access Server Side Variable On Client Side And Vice Versa And JavaScript?

Dec 9, 2010

I have a requirement of adding server side variables in client side and other way round. Because I need to set a value from client side using javascript and access the same in code behind page.

I have to use C#.Net and JavaScript.

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JavaScript - Exposing Server-side State Through Client-side Controls

Feb 11, 2011

I have a list of items on an ASP.net page. That list is selectable in that whenever the user clicks on one, the page does a postback and the server code stores the index or some unique identifier of the picture in a ViewState property indicating that it is currently selected.

I would like to minimize the load on the server and therefore I would like to store the index or unique identifier representing the image in some way on the client side. The best way I can think to do this is to store said information in a hidden field ), however I had two questions about this before I go crazy:

Is this a security risk in any way, shape or form (i.e., exposing implementation details of the page)?
Is there a better/best way to do this that is more industry-standard? Does ASP.net provide a framework to do this that is cleaner than my idea? Seems like this would be a fairly common requirement to me...

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Web Forms :: How Do You Write To A Client-side Control (text Box) With Server-side Code

Jan 6, 2010

If I have a standard HTML textbox

[Code]....

but got a readonly error.

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How To Write To A Client-side Control (text Box) With Server-side Code

Jan 6, 2010

If I have a standard HTML textbox: I can retrieve the value using Request.Form. But how do I go about populating this textbox from the server-side? I tried Request.Form["txtTest"] = "blah"; but got a readonly error.

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C# - Calling Server Side Function From Client Side JavaScript?

Sep 14, 2010

Possible Duplicates: how to call server side function from client side - asp.net Calling ASP.NET Code Behind function from Javascript Calling ASP.NET server side method via JQuery While loading an aspx page, how is it possible to call a server side method with the client side code?Can u show one example?

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JavaScript - Pass Arguments From Client Side To Server Side?

Feb 11, 2011

I have two comboboxes and would like pass selected value and text to the server method (RadComboBoxItemsRequestedEventArgs) when the first combobox selected index changed.

Here is my code. But I am getting Javascript error message at this line. RadComboBox2.requestItems(item, false).

[code]....

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How To Call Client-Side Code Before Server-Side Event

Jun 28, 2010

<asp:RadioButtonList ID="rbEmployeeGroup" runat="server" RepeatDirection="Horizontal"
AutoPostBack="true" OnSelectedIndexChanged=" [Call java script to check first] then rbEmployeeGroup_SelectedIndexChanged">
<asp:ListItem Selected="True" Text="Employees" Value="employees"></asp:ListItem>
<asp:ListItem Text="Groups" Value="groups"></asp:ListItem>
</asp:RadioButtonList>

How to call the javascript function before call bEmployeeGroup_SelectedIndexChanged this code behind function?

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JavaScript - Detecting Client-side DOM Changes Server-side - Is It Possible

Mar 7, 2010

I'm working on developing a custom control to select items from a predefined list. This is accomplished via 2 ASP.NET ListBox controls, with a few buttons to trigger the movement of ListItems from one ListBox to the other (lets call these ListBoxes lstSelected and lstDeselected).

This is easy enough to do in ASP.NET or JavaScript independently: I have both working. However, if modifications are made via JavaScript, ASP.NET retains no knowledge of this. Is there any way to register the creation of of options in a select tag without AJAX?

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How To Convert Server Side Vb.net To Client Side Javascript

Mar 20, 2010

I've got a function I wrote quite some time ago that works fine, but I'd like to speed up the process and lessen server load by doing the same job in Javascript.I seem to be able to GET textbox values ok, but I can't seem to SET textbox values (I'm'-a JS noob). Can anyone lend a hand in converting my VB.NET code to it's JS equivalent?

Protected Sub txtSellingPrice_TextChanged(ByVal sender As Object, ByVal e As EventArgs) _
Handles txtSellingPrice.TextChanged
Dim SellingPrice As Double = Double.Parse(txtSellingPrice.Text.Replace("$", ""))
[code]...

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Javascript - Get The Value Of Client Side Variable In Server Side?

Mar 24, 2011

I want to ask how to get the value of var title :

From this code :

protected void btnSubmit_Click(object sender, EventArgs e)
{
string script = "var title = $('.rsApt').attr('title');";
ClientScript.RegisterStartupScript(GetType(),"popup", script, true);
}

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AJAX :: Tab Control Change Tab On Client Side (javascript)?

Jan 24, 2010

I am using ajax tab control,is there anyway to switch from tab1 to tab2 on client click of any element?

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AJAX :: Get Tabpanel Activetabindex In Client Side Javascript

Apr 23, 2010

How to get ajax tabpanel activetabindex in client side javascript

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AJAX :: Get AccordionBehavior And Its Properties In Client Side Javascript?

Jan 25, 2011

Recently I met a problem when I try to use 'behavior' things with an Ajax Control.

I try to use an accordion's accordionbehavior on client side.But whenever I tryied

alert($find('myaccordionId').AccrodionBehavior.AutoSize) // prompt me: AccordionBehavior is null

or

alert($find('myaccordionId').AutoSize) //prompt me: 'AutoSize' is null or not an object

Although I can get

alert(AjaxControToolkit.AccordionBehavior) //prompt: is an object

I am using AjaxControlToolkit.dll(1.0.20229) and .Net framework(2.0.50727), I really wondered why I always get null for those object instead of proper value like what Ajax ControlTookkit Accordion Reference said to be [URL] am I missing something.

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AJAX :: TabContainer Set Active Tab Client Side Using JavaScript

Jul 30, 2012

I have a Usercontrol and I have Gridview in it. Name of my control is Search.ascx.Now I have a Page Home.aspx where I have Placed this usercontrol in  One Tab of TabContainer of Ajaxtoolkit. Now when I click on Edit Link from GridView I want to activate another tab and I can do that in .cs file by registering Event.

I want same thing to be acheived using Jquery.

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AJAX :: Rebind A Asp:repeater From Client Side Code?

Apr 28, 2010

i appologise if thisis a silly question but i just want to be completely sure something is not possile before i tell this to my manager.

i am a WinForms programmer by trade, but i have put in charge of making a web site for our sales team, and web development is a new area for me. the web site is written in ASP.NET, C# code. it is finished, however they are complaining that there are too many page refreshes.

first of all, we have an SQL server with all our data in it. on the main web page, the user must select their country of interest from a DropDownList. when they do this, all our customers from that country are displayed in an html table, generated by a Repeater. i have set AutoPostBack on the country DropDownList to true, so each time the user selects a different country, the SelectedIndexChanged event handler is called, and in here i generate a new sql statement with the selected country, and re-bind the Repeater.

There are also a few other DropDownLists that do other 'filtering' stuff. for example, one DropDownList selects whether to display customers whose license expires soon (within a week), and another DropDownList filters the customers who currently have an open support case. All the DropDownLists have their AutoPostBack set to true, and in their SelectedIndexChanged event handler, i work out the sql based on the values of the DropDownLists, and re-bind the Repeater.

the problem with the above is that each time the user selects a different value from the DropDownList, the page refreshes, clearly because the AutoPostBack is set to true for them all. so to stop this i need to set AutoPostBack to false - but then of course the SelectedIndexChanged event handlers are not called, and so i have no place to rebind the repeater with my new sql statement.

so what i really need, is to be able to set a DropDownList's AutoPostBack to false, and handle the rebinding of the Repeater in some client-side event, which does NOT result in a postback. the Repeater will be bound by some sql, which is generated by the values in the DropDownLists (eg "SELECT * FROM custTable WHERE [Country]='" + CountryDropDownList.Text + "'"), so in this client-side event i need to be able to reference the asp.net controls.

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