AJAX :: Make Calls To Page Using JavaScript And XmlHttp
Mar 24, 2014
function addToFavorites(prod, box) {
var favPage;
var response;
if (box.checked == true) {
favPage = "xyz.aspx?type=add&product=" + prod;
} else {
favPage = "xyz.aspx?type=remove&product=" + prod;
[Code] ....
I am using the above javascript to call a page on check box click.It is working fine on my visual studio project.
But when i deploy that it is not working.javascript is calling but not able to call that page.
I am using visual stuido 2008 / 3.5 as my development server.
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Similar Messages:
May 12, 2010
I am currently building an asp.net webforms application in ASP.NET C# using Visual studio 2008 and the Framework .NET 3.5.In my application main page, I use some javascript code to make AJAX calls to different handlers (.ashx files) in order to get some information.In this handlers définition (in the CodeBehind), I use the Oracle provider for .NET (Oracle.DataAccess.Client) to get the requested information from an Oracle database.The thing is, when I make a first call to one of these handlers, everything works just fine, but when the main page try to repeat the call in order to update the information requested, I encounter a problem.In fact, it appears that the different Oracle SQL request results that were made during the first call are still in memory and that the requests are not repeated correctly in order to obtain the updated information from the database. The application keeps the first results and this is these results that are sent back to the main page once again.I don't know how to force the handler to obtain new results and work with it instead of working with the previous results.In the handlers définition, the IsReusable methods are all set to false.I have called the Dispose() méthods of every Oracle object at the hand of the handlers définition and then the System.GC.Collect() méthod to force Garbage Collection. But this does not seem to be sufficient to be sure that nothing is kept in memory.
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Mar 9, 2010
I'm working with the MicrosoftAjax.js libraries to make my webservice calls via javascript, right now all my services are returning basic types, like string, int, bool. can i also have my services return things like DataSets, DataTables, or custom Classes that I have built to my javascript side?
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Nov 14, 2010
How do I go about making true ajax requests to an asp.net page? (Not update panels). I read this tutorial but couldn't get it working. Is there a better approach? Or should this work?
[URL]
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Jun 6, 2010
I have a WCF service returning JSON to jQuery ajax calls and presenting the results on an ASPX page. When the page is NOT under SSL, the ajax calls work perfectly. When the page IS under SSL, the calls fail. I understand that this behavior must be due to the Same Origin Policy (SOP).
So, how do I setup my WCF service to accept calls from an SSL-secured page? Does the WCF service also need to be secured? If so, how do I do this?
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May 25, 2010
How do i bind datagrid(server control) using javascrip/XMLHTTP.
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Jul 29, 2010
I've successfully used the xmlhttp object to redirect (xmlHttp.open) user to another page but I have the following issue ..I have a classic ASP application that has some very antiquated "admininstration" functionality built in that loops through a SQL table with NT Accounts and allows the link to only be visible to users with NT account in the table. We have since moved on to manage permission to our .net apps using an object that looks for your NT account in an Active Directory Group. So, I would like to use the .net object to return True if NT account is a member of the group and then display the link (which is in the classic ASP page) if the .net object returned true.I don't know if that can be done .. I just know I'm able to return the TRUE value using the xmlHTTP ajax object but I only want to set visibility of a link rather than xmlHttp.open to redirect to another page.
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Nov 19, 2010
I am trying to make 2 separate AJAX calls using buttons. What I want to happen is: when Button1 is clicked ProductsTable shows data from the webservice; when Button2 is clicked OthersTable shows its own data from the webservice. But right now, when either button is clicked, nothing shows up. I know the code works if there's only one of them and it's not wrapped around a .click function.
No error messages. ASP.NET 4.0, JQuery 1.4.4. Not using ScriptManager. Not using UpdatePanels.
Code below:
[Code]....
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May 7, 2015
$.ajax({
type: "POST",
url: "./InActiveMerchantList.aspx/LoadStakchart",
[Code]....
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Sep 27, 2010
I have a page that has 3 to 4 divs with gridviews in each that get data loaded using Ajax Xmlhttp calls.
Now the problem is that I have checkboxes in the grid and need them to be disabled/enabled
when they load to the main page in the div.
When i set the Enabled=false tag in the ASPX page to the checkbox, the UI throws an "Object required" error.
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Oct 19, 2010
Is there any specific order in which the external CSS or Scripts should be called in a aspx page which could help a bit in decreasing the page load time?
i.e
script type="text/javascript" src="../Includes/JavaScript/jquery.ui.tabs.js"
link href="../Includes/css/ui.all.css" rel="Stylesheet" type="text/css"
or
link href="../Includes/css/ui.all.css" rel="Stylesheet" type="text/css"
script type="text/javascript" src="../Includes/JavaScript/jquery.ui.tabs.js"
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Apr 24, 2010
I know how to call a simple old fashion asmx webservice webthod that returns a single value as a function return result. But what if I want to return multiple output params? My current approach is to separate the params by a dividing character and parse them on teh client. Is there a better way.
Here's how I return a single function result. How do I return multiple output values?
<asp:ScriptManager ID="ScriptManager1" runat="server">
<Services>
<asp:ServiceReference Path="WebService.asmx" />
[code]....
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Aug 31, 2014
on my page I've to check if the UserName is available and sponsor code is correct. For that I'm using ajax call for both.
Code:
Sponsor User Name <span id = "mesg"></span><asp:TextBox ID="txtSpUserName" runat="server" CssClass="DropText" onblur ="ShowAvailability()"></asp:TextBox>
Login Name <span id="Login"></span><asp:TextBox ID="txtLoginName" runat="server" CssClass="DropText" onblur ="ShowLoginName()"></asp:TextBox>
[code]....
Why they are not giving separate results?
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Jan 22, 2011
i only found websites that uses the XMLHTTP request to call an aspx page or what ever page ( make a request to a page that appears the piece of data in a div or so )but i have a question is it possible to use it to bind asp.net server controls Examples 1- bind a gridview or datalist from this XMLHTTP request 2- after click an edit button in a grid can i use XMLHTTP request to fill some text boxes and dropdowns and other asp.net server controls 3- can i use upload files using XMLHTTP request i want to know if this is possible or not because Ajax and update panels are very slow and affect the server and client performance is there another alternative if my senarios are imposible with XMLHTTP request where can i learn about this alternative if this possible where can i learn more about this XMLHTTP request with asp.net server side controls instead of ajax and updatepanel
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Oct 13, 2010
i m trying to something new for myself...actually before some day i post a thread that how to fire item command event of Runtime genrated datalist, in this datalist i creating item template and hadder template at runtime, and in this item template i m creating a button at run time.No problem was that i cant handle the item command event of datalist through that button, but no luck, no one show thir interest and i couldnt find any thing regarding this.so i decided to do the work with client side ajax scripting, i found a liitle bit success, now i can delete the particular record from the database. but now problem is that i cant rebinding the datalist again, with new updated dataset.
my code is here..
aspx:--
[Code]....
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Sep 24, 2010
I have many divs in 1 page and each div consists of a gridview, the gridview is loaded by making AJax calls. On load of the page, all the grid load data properly. But now when i update any row in either of the grids, and make a call to the javascript that loads the grid in the page, it doesn't work rightly. Wat are the options to update/refresh the grid.
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Apr 12, 2010
I think I summed up the question in the title. Here is some further elaboration...I have a web user control that is used in multiple places, sometimes more than once on a given page.The web user control has a specific set of JavaScript functions (mostly jQuery code) that are containted within *.js files and automatically inserted into page headers.However, when I want to use the control more than once on a page, the *.js files are included 'n' number of times and, rightly so, the browser gets confused as to which control it's meant to be executing which function on.What do I need to do in order to resolve this problem? I've been staring at this all day and I'm at a loss.
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Sep 23, 2010
I'm trying to make API calls to a service provider. I've never tackled JSON requests before but I want to give it a go - as they seem less verbose than XML. Could someone be kind enough to give me a simple example here?
My confusion stems from some libraries I've come across. Do I need to add any libraries to my project? Or is it just a matter of creating a string that complies with JSON syntax and send it via a WebRequest?
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Sep 14, 2010
I need to gather information (via GET) from several other websites (not under my control), do some processing (specific to each source) on the data returned, and then print all the info out to the user.
Right now I'm making the GET request to website A, waiting for it to return, processing it, then calling website B, and so on... Obviously this is too damn slow. I'd like to make async requests to A, B, and C, then process each response as it comes back, and once I have all the responses, print it all out to the user.
I'm allowed to use classic asp or vb.net. I'm more familiar with classic asp but I'm willing to learn...
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Jul 28, 2010
I have a page that contains a user control. Can i make an ajax request directly to the control? I know I can make an ajax request to .aspx or .ashx; however, is it possible to go direct to the .ascx?
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Aug 27, 2010
I am trying to add validation on my form. I am using AJAX controls in my form fields.
When I remove the Update panel and AJAX control, my validation starts working, but when keeping both the things together, my validation is not working. How could I make them work together?
<script type="text/javascript">
function Validate() {
var QuestionTextArea = document.getElementById("ctl00_ctl00_cphBody_midbox_fvInsert_txtQuestion");
varError = "";
if (!IsTextBoxEmpty(QuestionTextArea, "
Question Text Area not be Empty.")) {
alert(varError);
document.getElementById("ctl00_ctl00_cphBody_midbox_fvInsert_txtQuestion").focus();
return false;
} return true;
}
</script>
<asp:UpdatePanel ID="UpdatePanel2" runat="server">
<ContentTemplate>
<asp:TextBox ID="txtQuestion" runat="server" MaxLength="1000" Columns="50" Rows="5" Style="width: 380px;
float: none" Text='<%# Bind("Description") %>' TextMode="MultiLine" />
<AjaxControl:TextBoxWatermarkExtender runat="server" TargetControlID="txtQuestion"
WatermarkCssClass="water" WatermarkText="Type your Question Here.">
</AjaxControl:TextBoxWatermarkExtender>
</ContentTemplate>
</asp:UpdatePanel>
When I removes ajax extender and Update Panel. My textbox gets validated and when using UpdatePanel. No javascript function created by me is called.
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Mar 1, 2010
I've created a C# function which extracts data from an mssql database, formats it to a json string and returns that. Now I need to make a call from my javascript (jQuery) slider through an aspx page that is related to the C# code file. I have actually never done anything like this before, from what I could tell by googling I need to use xmlHttpRequest, but how exactly do I make the function get hold of this string? It would be awesome if someone had some example code that shows how this works.
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Feb 10, 2011
I have an ASP.NET page with two instances of the same Web User Control (a simple WYSIWYG editor). On submit, the WUCs do a little JavaScript magic and then proceed with a normal postback.
The first instance seems to be working, but the second fails to post changes back to the server (it reverts to the original, and posts that). I believe the problem is that the JS only fires for the first WUC. I've traced that to the following code, from the generated client-side source:
function WebForm_OnSubmit() {
prepHtml('AddEditPopup1_ctlEditorQuestion_txtEdit','AddEditPopup1_ctlEditorQuestion_divEdit', 'AddEditPopup1_ctlEditorQuestion_divHT' );
//snip...
}
The problem seems to be that there should be two calls to prepHtml: one for the ctlEditorQuestion instance of the WUC, and one for the ctlEditorAnswer instance.
Instead, there's only the one for ctlEditorQuestion. Both controls are registering the OnSubmit event, but one of them overwrites the other.The prepHtml call is registered from the WUCs' C# code at runtime:
//Page_Load
_onSubmit = String.Format("prepHtml('{0}','{1}', '{2}' );",
txtEdit.ClientID, divEdit.ClientID, divHT.ClientID);
//OnPreRender
Page.ClientScript.RegisterOnSubmitStatement(this.GetType(), "get-html", _onSubmit);
I should point out that I didn't write this control myself, and I've never seen this kind of runtime registration of OnSubmit JS code before. Page.ClientScript.RegisterOnSubmitStatement is totally new to me. I need to register both prepHtml calls so they run sequentially. Is this possible? I'm open to alternatives to Page.ClientScript.RegisterOnSubmitStatement, so long as the code still gets fired on submit.
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Mar 8, 2011
<%@ Master Language="C#" Inherits="System.Web.Mvc.ViewMasterPage" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<link type="text/css" href="~/Content/Main.css" rel="stylesheet" />
<link type="text/css" href="~/Content/ui-lightness/jquery-ui-1.8.10.custom.css" rel="stylesheet" />
<script type="text/javascript" src="~/Scripts/jquery-1.4.4.min.js"></script>
<script type="text/javascript" src="~/Scripts/jquery-ui-1.8.10.custom.min.js"></script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title><asp:ContentPlaceHolder ID="TitleContent" runat="server" /></title>
</head>
<body>
[code]...
However I'm not seeing center aligned text. What am I doing wrong? Also, will I need to make whatever changes to the JQuery .css files as well? Basically what I'm aiming for here is a single master page that I can use to hold all .css and javascript code so I don't have to reference it everywhere else.
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Feb 17, 2010
I have the following Page_Load function...
protected void Page_Load(object sender, EventArgs e)
{
XmlDataSource1.Data = GetXmlFromFile(Request.QueryString["file"]);
XmlDataSource1.DataBind();
Repeater1.DataBind();
}
The page in which this Page_Load resides is called by a parent page. Each time this Page_Load gets called the value of "file" in the query string will be different. So each time I will be receiving the XML contents from a different file which are inserted into the XmlDataSource and then bound against by the Repeater. Getting the XML data from the file works great but when I bind against the repeater that only works the first time through Page_Load. Each time after that when this code is executed the same results from the first XML file are displayed in the repeater.
What am I missing here. How can I get the XML data to be bound against the repeater on each page load instead of just the first one?
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