Call Web Service From Another Web Application Using Jquery?
Dec 12, 2010
I have created an WCF data service in a new asp.net web application and i want to call this web service from another web application using jquery, but it always returns null.
My jquery call looks like this:
[code]....
Note that [URL] works in the browser but since the jquery call is from localhost:3410 i assume its a problem with cross domain.
I have been reading that i should use jsonp for this, but i have a hard time figuring it out.
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Sep 14, 2010
I'm trying to call a web service and the passed string may have punctuation, depending on what the user types in.I currently have an HTML textbox and a jQuery call to the .NET web service. I definitely think the string with punctuation fails because jQuery will send the string wrong, so I tried a few different javascript encoding functions I could find. I was never able to encode it successfully and decode it in .NET, saving the string with punctuation.
Basically I have a textbox that a user can update their status in. If the user wants to use punctuation, I'd like them to be able to. How can I accomplish this with jQuery and .NET?
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Jan 28, 2011
I have this Aja.svc in my root folder
[ServiceContract(Namespace = "")]
[AspNetCompatibilityRequirements(RequirementsMode = AspNetCompatibilityRequirementsMode.Allowed)]
public class Aja
{
[WebGet]
[OperationContract]
public string Hi()
{
return "hi world!";
}
}
and I'm trying to do this: $.get('Aja.svc?method=Hi', function(d) { alert(d.d); }); In firebug I see that the result is HTTP Error 404.17 - Not Found The requested content appears to be script and will not be served by the static file handler. I use .net 3.5, jquery 1.4.4
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Oct 20, 2010
I am trying to use the below code to call a wcf service method for Autocomplete functionality in a TextBox. I have written the following query:
$(document).ready(function () {
$("#<%= txtCompany.ClientID %>").autocomplete [URL], {
dataType: 'json',
parse: function (data) {
var items = data.d;
var parsed = [];
for (var i = 0; i < items.length; i++)
parsed[i] = {
data: [items[i]],
value: items[i],
result: [items[i]]
};
return parsed;
}
});
});
The same query works if I pass a Java Script array variable instead of the wcf service method. The wcf service method contract is:
[OperationContract]
[WebInvoke(Method = "GET", BodyStyle = WebMessageBodyStyle.WrappedRequest, ResponseFormat = WebMessageFormat.Json)]
string[] GetTestCompanyList(string prefixText, int count);
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Jan 13, 2011
I created a number of standard WCF Services (Service Contract and Host (svc) are in separate assemblies). I fired up a Web Site in IIS to host the Services (i.e., address is [URL]). Then in my Web Site project I added the reference. I am able to call the services normally. I am needed to call some of the services client side. Not sure if I should be looking at articles calling WCF services through AJAX, JQuery, or JSON enabled WCF Services. Some of the changes I made was adding the following to the Operation Contract:
[OperationContract]
[WebInvoke(Method = "POST", UriTemplate = "SetFoo")]
void SetFoo(string Id);
Then this above the implementation of the interface:
[AspNetCompatibilityRequirements(RequirementsMode =
AspNetCompatibilityRequirementsMode.Allowed)]
Then in the service webconfig I have this (parens are angle brackets):
<serviceHostingEnvironment aspNetCompatibilityEnabled="true">
<baseAddressPrefixFilters>
<add prefix=[URL]>>
</baseAddressPrefixFilters>
</serviceHostingEnvironment>
<serviceHostingEnvironment multipleSiteBindingsEnabled="false" />
Then in the client side I attempted this:
<asp:ScriptManagerProxy ID="ScriptManagerProxy1" runat="server">
<compositeScript>
<Scripts>
<asp:ScriptReference
Path=[URL]/>
</Scripts>
</CompositeScript>
</asp:ScriptManagerProxy>
I am attempting to call the service like this in javascript: wcfservices.SetFoo(string Id); Nothing is working. If it is idea or a better solution to call JSON enable, JQuery, etc.... I am willing to make any changes.
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Dec 6, 2010
I have Master Details JQGrid.My details JQGrid have Edit,Add,Del options. my problem is when I click on submit button to add data or edit data I faced with this error: "500 Internal Server Error" and it's response is
[Code]....
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May 26, 2010
I'm fairly new to ASP.Net MVC 2 and understand the MVC pattern in itself. But my question is what's the best way to populate dropdownlists in the UI sticking to the MVC pattern. Should I be going through the controller? Every article I've seen to do this shows how to do it using javascript and jquery. I have a test application that I'm re-writing in MVC2 I have my dropdowns working with jquery basically calling a WCF Data Service that returns JSON which populates the dropdowns. Seems to me though that this is bypassing the controller and going straight to the model therefore strictly violating the MVC pattern. Or am I missing something obvious here. You thoughts or best practices would be greatly welcome here.
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Feb 22, 2011
I have this method in asp.net ajax enabled mvc service
[OperationContract]
public TestRun GetTestSuite(string testSuitName) {
TestRun testRun =
AdapterFactory.CreateTestRunAdapter().GetByTestSuiteName("testSuit");
return testRun;
}
Where TestRun is Created using entities framework against TestRun table. I am using following ajax method
function getTestSuite() {
$.ajax({
type: "POST",
url: "Services/TestRunService.svc/GetTestSuite",
data: '{"testSuitName" : "' + testSuiteName + '"}',
contentType: "application/json; charset=utf-8",
dataType: "json",
success: function (response) {
},
//If the call fails
error: function (xhr, textStatus, errorThrown) {
alert(errorThrown);
}
})
}
I get undefined error. If I return string from service it works. Do I need to change dataType: "json" to something else?
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Dec 27, 2010
I have a web service with the following contract:
POST /Service/service.asmx HTTP/1.1
Host: xxx.xxx.xxx
Content-Type: text/xml; charset=utf-8
Content-Length: length
SOAPAction: "xxx.xxx.xxx/Service/Method"
<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
<soap:Header>
<Request xmlns="xxx.xxx.xxx/Service/">
<transactiontype>string</transactiontype>
<username>string</username>
<password>string</password>
</Request>
</soap:Header>
<soap:Body>
<Method xmlns="xxx.xxx.xxx/Service/">
<xml>xml</xml>
</Method>
</soap:Body>
</soap:Envelope>
And I am trying to call the service using jquery. This is my code:
$.ajax({
url: serverUrl + 'Method',
type: "POST",
dataType: "xml",
data: { xml: "xml" },
beforeSend: function (req) {
req.setRequestHeader('Header', '<Request xmlns="xxx.xxx.xxx/Service/">'
+'<transactiontype>4</transactiontype>'
+'<agencyName>name</agencyName>'
+'<username>user</username>'
+'<password>pass</password>'
+'</Request>');
},
success: function (data) {
alert(data.text);
},
error: function (request, status, errorThrown) {
alert(status);
}
});
However, the header content is not passed to the web service? How would I go about passing the header credentials to my web service call?
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Nov 6, 2010
Iīm using jQuery to make the ajax calls to web services. Iīm not using json, I want the information in XML. If I donīt pass parameters and I make the WS parameter less it works but if I want to pass a value as parameter (I tried int and string) it doesnīt work. Here is my code:
jQuery: [Code]....
The web service
[Code]....
The error that I get from firebug is an exception System.InvalidOperationException and it says that the parameter region_id is missing.It canīt be very difficult because it works without parameters but all the information I find in internet
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Apr 13, 2010
We have two application created one for webservice and other application will call the methoddefined in webservice .The problem is we want to add webservice in our application dynamically
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Apr 4, 2011
When I was reading the blog Using jQuery to Consume ASP.NET JSON Web Services
I have seen this argument:
"By using jQuery to call the web service directly, we've eliminated over 100 KB of JavaScript and three extra HTTP requests. "
Why does the ASP.NET AJAX call to a .NET Web-Service needs 3 extra HTTP requests? What are those requests? (I wonder how jQuery manages the call with lesser HTTP requests in this case).
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Jan 3, 2011
I have a simple web service that isn't working with a standard jQuery call. The code is below. The jQuery will execute and succeed, but on debugging, the service argument is always null. I've had it separated as 4 string params in a json string and that didn't work either. I must be missing something on the config side, but I can tell what it is.
[Code]....
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Mar 3, 2011
I want to call .asmx service from jquery
.asmx service will return multiple data from database.
I need to get those data to jquery on client side
and then i need to put each data into their respective textfield on the client side
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Nov 17, 2010
I have written a sample web service, which consist of certain .aspx pages. I have written a code to consume webmethods from that web service. Now, is it possible to load the aspx page which is a part of the web service from the calling web application i.e. from another aspx page which is outside the web service.
How this scenario is;
I have one web application running with a page say Page1.aspx in browser. 2. I have created a web service which is having an aspx page say Page2.aspx. 3. There is a button on Page1.aspx. 4. Now, when client click on the button, is it possible to load Page2.aspx, which is not a part of web application, but the web service.
[code]...
What I am trying to do is, get response obtained in Gen.aspx and pass it to default.aspx page.
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Jul 3, 2010
I am using JQuery & JSON (POST) to call webmethod. However I can call only webmethod located at aspx file but not in asmx file Below are sample codes
CustomValidate.asmx
Imports System.Web.Services
Imports System.Web.Services.Protocols
Imports System.ComponentModel
Public Class CustomValidate
Inherits System.Web.Services.WebService
'ACCESS VIA JSON
<System.Web.Services.WebMethod()> _
Public Shared Function AJAX_Test(ByVal date1) As Boolean...
Return True
End Function
End Class
Javascript: JQuery JSON
function isDates(source, arguments) {
var isValidDate;
$.ajax({
type: "POST",
contentType: "application/json; charset=utf-8",
url: "CustomValidate.asmx/AJAX_Test",
data: '{date1: "' + arguments.Value + '"}',
dataType: "json",
async: false,
success: function(result) {
isValidDate = result;
},
error: function(httpRequest, textStatus, errorThrown) {
alert("status=" + textStatus + ",error=" + errorThrown);
}
});
arguments.IsValid = isValidDate;
}
It always return javascript undefined error. But if I put the AJAX_Test webmethod in aspx page and replace the url: "CustomValidate.asmx/AJAX_Test" to "mypage.aspx/AJAX_Test". It works fine.
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Jan 5, 2011
We have a web application that makes a call to a remotely hosted ASMX service that worked in Server 2003 under IIS6. We are now migrating it to a Server 2008/IIS 7 setup and it doesn't appear that the application makes the call to the remote web service anymore. We ran Wireshark and don't see any traffic to the service URL. It seems to throw a 404 error without trying to connect.
Is there some security policy or restriction in Server 2008 or IIS 7 we need to set to allow an ASP.NET application make a call to a remote web service? We are using Network Service as our application pool user, but also tried using Local System as a troubleshooting step. In addition, the same code works if run from a console application on the server instead of the web application.
Is there some setting under IIS7 or server 2008 that would be causing this?
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Mar 29, 2010
How to call Synchronous service call for combo boxes? As I know Synchronous calls do not create a good user experience because the application is hung waiting for the Web service call to return. Then it is my requirement.
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May 18, 2010
whether its possible to call an web service on a private corporate network from a web service located in a dmz?
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Aug 4, 2010
i have created a normal web service and i want to host it outside IIS. one idea i got is to use window service as hosting environment. i have created a web service and hosted it window service and its window service is running now.would anybody please let me know that how can i call web service hosted in window service binded over soap.tcp. here is my sample code.
[Code]....
[Code]....
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Sep 16, 2010
how to jquery call a other call function other class is not static
[WebMethod]
public static bool Verify(string username, string password)
//Do your logic with username, password here
//I am just checking with admin/admin credentials
Console.WriteLine("Ritu");
[code]...
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Dec 20, 2010
$(document).ready(function() {
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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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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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Feb 7, 2011
How do I add the WCF service built using VS2010 as a service reference to a Winforms app which is written in VB6?
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