JQuery-AJAX Calling Page Method / How To Return Value Back To JQuery
Jan 31, 2011
If I use jQuery AJAX to call a specific ASP.NET page method how to have that method return a value back to the AJAX method that called it?
Update
My situation is I have an existing web application with many existing methods. I would like to be able to use jQuery to execute some of these methods and then update the UI with the results. My mandate is to stay away from ASP.NET AJAX and stick with jQuery. Management is concerned about continued development and support with ASP.NET AJAX from Microsoft. I agree with them.
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Mar 3, 2011
So in default.aspx I have the code
<script type="text/javascript">
function validateForm()
{ [Code]....
When I call test() from javascript i want it to return false but cant seem to geta value from test.
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May 5, 2010
I have .aspx page methods with return type of string, which work great. I am using some jQuery ajax, and some .NET Ajax "PageMethods.methodName" syntax from the client side to successfully call these page methods. I need to return xml from a page method.... I would LOVE to be able to return system.Xml.Linq.XElement type from page method. I get a serialization circular reference error when I attempt to return XElement or XDocument. I don't really want to return XML.ToString() to client, and then convert string to xml in javascript. What return page method return type(s) would allow me to retrieve xml with jQuery ajax call? I know json is the alternative, but will not give me what I need this time.
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Apr 25, 2014
in default.aspx i am calling web method. bt every time its going to error method.
code is...
function login(btn) {
alert('a');
var email = document.getElementById("txtUserName").value;
var password = document.getElementById("txtPass").value;
[Code].....
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Mar 20, 2011
I am using asp.net3.5 C# with Jquery
I have created a webUserControl timer.ascx, I have a page showTime.aspx I have added timer.ascx into ShowTime.aspx on drodown change I want to display the current time.
but I am getting this error
This type of page is not served. Description: The type of page you have requested is not served because it has been explicitly forbidden.
[Code]....
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Nov 20, 2010
I am doing a small application in asp.net using JQuery
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Aug 29, 2010
I have a cascading dropdown. After the dropdown is populated(it is in another file) i would like to return back to the original form where the control is placed. is there anyway of doing it
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Apr 28, 2010
i am using ajax.beginform in my view i need to return a string if ajax request is faild.by this code return the string to view
[Code]....
how can i return the string to jquery function to show on OnFailure method and the function show a Partial View?
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Aug 26, 2010
I have the following code where the function codeaddress geocodes the text feild value and returns geocoded value , geocoded value is stored in variable example ,how will i return the variable v2 to the function call and post to asmx webservice.
[code]....
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Feb 17, 2011
I have this code being called
[Code]....
which returns <div>here</div><script language=javascript>alert('');</script> The content gets loaded property, but no alert. How would I get a javascript routine to work from an ajax call along with posting the HTML code?
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Dec 10, 2010
my page Evaluation.aspx has this code
[Code]....
and I am calling the webmethod by javascript like this
[Code]....
The result is, I get the error function running and I get "undefined error" alert.Am I calling the procedure correctly? I put a breakpoint on the webmethod and it.
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Feb 25, 2011
I have a JQuery template, and I want to call a webservice and populate the fields in it. The issues I am having are, I'm not sure how to pass parameters in my $.ajax call (ideally, I want to pass a dictionary so I can pass as many or few parameters as I want). I tried data: { Key : Value } but get a 500 server error saying something about not a valid JSON primative.
Once the webservice is called, how can I get my data back in a JSON string that is compatible with a JQuery template? My webservices usually get a List and my jquery template works with a JSON object.
The problem is basically the format of data between client and server. My webservice call works fine, it's simply a problem of JSON and data. Edit: I have succeeded in calling the webservice with a dictionary, I am now trying to figure out how to get the data back. I'm getting a circular reference error.
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Dec 21, 2010
I am developing web application and in application i need to make call of jQuery using .ajax(); method with datatype is set jsonp. Now all works well with limited data but problem start to occur when data size is increasing......
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Apr 26, 2010
I'm trying to call web service function via GET method using jQuery, but having a problem. This is a web service code:
[WebService(Namespace = "http://something.com/samples")]
[ScriptService]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)] [Code]....
And I get an error because of this (error handler is called).
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Jan 24, 2010
I have a test web service called: MySimpleService.svc with a method called:GetUserNamesByInitials. below is the Linq to SQL code:
[OperationContract]
public static string GetUserNamesByInitials(string initials)
{
string result = ""; [code]...
what I do is to type the user id in one textbox (TextBox3) and when I press the Tab key the result is shown in another textbox(TextBox4).
The jQuery call works well with other methods that do not call the database, for example using this other web service method it works:
[OperationContract] public string ParameterizedConnectionTest(string word)
{
return string.Format("You entered the word: {0}", word);
}
However with the Linq method it just does not work.
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Dec 27, 2010
I'm trying to call an action method in an MVC application using jQuery. Basically what I want is to take the value of a couple of input fields and call the action method by clicking a button, passing the values of the input fields as parameters. But I only get the value of the "number" parameter, not the "year" parameter.
function selectWeek() {
$('#selectWeekButton').click(function (event) {
var number = $("#selectWeekId").val();
[code]...
I checked the url with an alert, as you can see, and it seems to contain both values fine. But when I check the value of the year parameter in the action method it is null.Here are the input fields:
<span>Vecka: </span>
<input type="text" id="selectWeekId" />
<span>År: </span>
<input type="text" id="selectYearId" />
<input type="button" value="Välj vecka" id="selectWeekButton" />
And the beginning of the action method:
public ActionResult Edit(string number, string year)
//etc...
I know that this looks like a strange thing to do instead of just binding fields, but the reason is that these input fields and their values is not the main purpose of this View. They're just there to select another week in this timesheet application. And besides, I'm going to replace the input fields with a jQuery calendar eventually, so I will still have to do something like this.
So what's the easiest way to do this, and why isn't it working as it is?
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Dec 27, 2010
I have a java script function which presents a countdown timer.when the timer reaches zero, I want to somehow activate a function on the server side in the code-behind.I understand it is impossible to directly call a server-side function, but is there a simple way to still fire it?I want to fire the (event-handler) code behind function: protected void ButtonFinish_Click(object sender, EventArgs e).
var _countDowncontainer = 0;
var _currentSeconds = 0;
function ActivateCountDown(strContainerID, initialValue) { _countDowncontainer = document.getElementById(strContainerID);
[code]...
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Aug 10, 2010
I called the server side Method using AJax and inside Method iam going to Add the Media Player to Place Holder i debug the code every thing is ok but Place Holder is not Displaying any thing.
Here is my code of JQUERY
[Code]....
and Here is my server side Method
[Code]....
and in aspx code i just put the DataList for binding the Thumbnail Images and Place Holder control for displying the Media Player .
But Place holder is not going to visible after the calling sercer side Method to JQUERY. Is there any thing iam doing wrong.
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Jul 1, 2010
I'm trying to implement a view tracking web service on my website. I'm using JavaScript because I want to exclude any search bots from my tracked views. The problem is I'm getting a "Unknown web method" error when I try to use jQuery to post to the web service I've created.
$(document).ready(function() {
$.ajax({
type: "POST", [code]...
The error is an ASP .NET error: Unknown web method TrackItemView. Parameter name: methodName.I've done this hundreds of times (seemingly), but I just can't see what I'm missing. I'm sure it's something small...
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Feb 2, 2010
How to use jQuery to call ASP.NET AJAX Page Method?
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Sep 3, 2010
I'm trying to save some content whenever a button/hyperlink is clicked using jquery.ajax (Using Asp.net 3.5). The logic is as follows:
Through .bind in jquery I bind my own method(MakeLog) to a button click or hyperlink click. The click events of button/hyperlink contain nothing, I need to use .bind for selective controls.Now we have a button whose click event will fire a method, say MakeLog.Code snippet for MakeLog is as follows:
var xhr = jQuery.ajax({
url: "/Logger.aspx",
data: { content: logContent }, [code]....
This works fine in IE but in Firefox this is not sending the data back as expected.I tried to identify the issue and came across the following: http://stackoverflow.com/questions/3522944/jquery-ajax-calls-async-false-vs-async-true .What I understand is that, whenver page is redirecting/reloading due to button click or hyperlink click the async call is not working properly.
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Feb 25, 2016
I am trying to implement your code in "Calling ASP.Net WebMethod using jQuery AJAX", but the alert is giving me the value "Undefined".
I believe my website (asp.net c#) is not correctely configured for webmethods.
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May 26, 2010
Cascading html select server control, jQuery does not retain value on post back
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Jun 15, 2010
I am trying to call an asmx service using the jQuery ajax call-
[Code]....
I have double checked the url of the service and spelling/case of the name of the method as well as the parameters in the dataStr.
I still get the error-<b> Description: </b>HTTP 404. The resource you are looking for (or one of its dependencies) could have been removed, had its name changed, or is temporarily unavailable. review the following URL and make sure that it is spelled correctly.
in the responseText of XMLHttpRequest, above.
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Oct 5, 2010
I've tried a bunch of different examples and still can't get this to work. I have a jQuery GalleryView control I'm using and I simply want to log impressions. I set up a webservice that works, but I can't figure out how to get it to work in javascript. I have verified that the webservice is working as expected.
Imports System.Web
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