Is It Possible To Make JSON Requests Using Fiddler's Request Builder

Apr 7 10 at 0:04

I keep getting a Request format is invalid.

Here's the raw http that get's sent:



How To Edit HTTP Request With Fiddler

Aug 5 10 at 11:21

Is it possible to edit HTTP request using fiddler so that my application hosted elsewhere return true for the following code block

HttpContext.Current.Request.Url.Host == "localhost"

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HttpHandlers / Modules :: How To Safe ALL Request,response Or See It In Fiddler

Apr 21, 2009 09:08 PM

I have iis 5 i want safe all request(headers, etc) to my website. IIS5 have log system(but it don't safe full request

Anybody know how to see all connection in fiddler


Also i add monitring connection and i have no filters

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Javascript - How To Make Json Child Nodes (JSON Inside JSON)

Aug 11 10 at 17:13

I try to use the jquery + json to get all elements in form and build a JSON var to post in a ASP.NET MVC method.


It method get all fields in a form and build a JSON, but it dont put JSON inside JSON.


If i have the follow form:

<input name=""><input name="person.age"><input name="person.address.street">

The serialized string build a JSON like this

{ "": "??", "person.age": "??", "person.address.street": "??" }

I need a plugin or some function to generate like this:

{ "person": { "name" : "??", "age" : "??", "address":{ "street": "??" } } }

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HttpHandlers / Modules :: HTTPweb Request Works Fine When Fiddler Is On?

Dec 02, 2009 09:07 AM

I am trying to access a website using httpwebrequest.

It is getting me response when Fiddler is turned on. But throws 401 unauthorized excpetion when Fiddler is not running.

PFB my code:

HttpWebRequest request = (HttpWebRequest)WebRequest.Create(sWebAddress);
request.Credentials = new NetworkCredential("username", "pwd", "domain");
CookieContainer cookieJar = new CookieContainer();
request.CookieContainer = cookieJar;
request.Accept = "*/*";
request.KeepAlive = true;
// Get the response.
WebResponse response = request.GetResponse();
Stream dataStream = response.GetResponseStream();
// Open the stream using a StreamReader for easy access.
StreamReader reader = new StreamReader(dataStream);
// Read the content.
responseFromServer = reader.ReadToEnd();
// Clean up the streams.

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Webservice Won't Accept JSON Requests?

Apr 13 10 at 5:18

The main issue is that I cannot run a webservice that accepts requests in JSON format. I keep getting a 500 Server error stating that the "request format is invalid." My ASP.NET AJAX extensions are installed. My server is running Plesk Control Panel 8.6 which is undoubtedly causing these problems.

The default handler for this specified extension is shown in the web.config like so:

For my applications webservice to handle JSON it needs to have this reference:

<add name="ScriptHandlerFactory" verb="*" path="*.asmx" preCondition="integratedMode" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>

Plesk is not allowing the request to be handled properly. I need to know the correct http directive(s) to put into the web.config to properly handle JSON webservices.

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How To Handle Every Request To A Folder (including Requests To Subfolders Within)

Jan 27, 2010 04:13 PM

I have a folder structure that is odd and I need to find a way to deal with. Example, if you go to, I would like to have a script in the /x folder that grabs all incoming requests, even if the request was to /x/y/filename or /x/y/z/1/2/filename. Is it possible?

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Apr 09, 2010 07:48 AM

I'm working with c# web application. We have completed site and hosted in dedicated server (own server).

This server having only one site (sharepoint site). A page having 1000+ images. Loading in base page. And slide show in popup page.

Base page image painting is going on. At same time popup page image is not loading up to base page paint complete. I changed popup image download to some other server means working fine.

Here my problem is same domain more than 2 request web server (iis) not responding up to first 2 requests complete. We can call 2 requests at a time. How to increase more than 2 request in ie. This problem is not available in Firefox. Firefox can manage more than 2 requests. Ie not allows only 2 requests to one domain at a time.

How to send more than 2 requests from ie to a domain?

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AJAX :: Make Requests With Faster

Dec 11, 2010 08:56 AM

i find a lot of websites that have some parts in the page that uses ajax much more faster than i used to see ajax requests

like changing views using tabs when i click a tab it changes content very fast than i used to in my web applications using Asp.Net and Ajax Control Toolkit

and also a very quick paging in repeaters or grids than i ever developed in my web apps

like this website [URL] i need to know which technology used to achieve this this website is developed using .net


but i need to know is this needs another technology to learn (from where can i learn it)

or is it just + ajax or whth other technology

is it MVC

also i want to know if MVC is better than + ajax in concern with performance

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Dec 3 10 at 17:54

We are creating a real estate website. The National Franchise site wants to pass us searchs that fall in out local area. The searches MUST follow this format:


The issues is that we have built a site in PHP and buying a windows server and learning aspx seems like overkill for this one script.

So... I think I need to make a redirect, like this:

RewriteRule /propertysearch/findpropreties.aspx$ [R=301,L,QSA]

But it does not work.

In summary:

Does anyone know how to trick the server into running aspx files as php?

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Mar 10 at 6:59

I have to write a page method in ASP.Net that returns a JSONP result. In order to build its payload for return however, it has to read a URL from another domain, passing it some parameters that were passed to it originally. I suppose I'll need to screen scrape the results to see if the login credentials worked. Could point me toward ideas that might begood for ASP.Net or ASP.Net MVC?

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Jquery - How To Make Requests With Ajax Faster

Dec 11 10 at 9:53

i find a lot of websites that have some parts in the page that uses ajax much more faster than i used to see ajax requests

like changing views using tabs when i click a tab it changes content very fast than i used to in my web applications using Asp.Net and Ajax Control Toolkit

and also a very quick paging in repeaters or grids than i ever developed in my web apps

like this website [URL]

so i need to know which technology used to achieve this this website is developed using .net

but i need to know is this needs another technology to learn (from where can i learn it)

or is it just + ajax or whth other technology is it MVC

also i want to know if MVC is better than + ajax in concern with performance

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Jquery - Retrieve JSON Via Context.Request?

Aug 3 10 at 17:12

var OrderInfo = {
"ProductID": "ProductIDValue",
"ProductName": "ProductName",
"Quantity": 1,
"Amount": 9999,
"SLQuantity": 9999,
"SLDate": "08/03/2010"
var DTO = { 'OrderInfo': OrderInfo };
type: "POST",
contentType: "application/json; charset=utf-8",
url: "JasonHandler.ashx",
data: JSON.stringify(DTO),
dataType: "json"

I'm trying to retrieve posted JSON data on server side in an ASHX file via this code string strrequest = context.Request["OrderInfo"]; but it always return null. What Am I doing wrong?

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Sep 16, 2010 09:10 PM

So I'm writing an MVC application, and have a JsonResult post back to obtain some item information for scanned items on a warehouse application I am writing. I'm trying to obtain a URL query string value though, and cannot seem to obtain one via the normal 'Request.QueryString['variable']' way... Is there a way to do this? I also thought about just passing the parameter into my post, but I already have a single value on my jquery post, and I am unsure if I can tack on more values to this.

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Make Telerik TabStrip Tabs Persist Between Page Requests

Aug 27 10 at 6:54

in Telerik ASP.NET MVC TabStrip, I want the page to remember which tab was selected last and persist the selection through multiple page requests.

What I have is a partial view that shows in multiple pages and it contains the TabStrip. With SelectedIndex the set tab always get selected, which nullifies user's selection.

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Creating A Jquery Grid From Json Data That Came Back From An Ajax Request?

Jul 7 10 at 6:49

i am searching for a way to create a grid (from some kind of jquery grid plugin didnt choose one yet)

anyway i want to call a webmethod and return a json serialized from a List of an object i created.

today i just use a regular grid view inside an iframe

but i want to eliminate that iframe and create those grids with ajax requests.

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MVC :: Returning View And URL (both Json And Standard Get Request) Similar To Web Application Toolkit

Nov 21, 2009 05:30 PM

I've downloaded the Web Application Toolkit FAQ (built with MVC) and really like the way they renders the url/view. Basically, they are both JSON & and standard GET request, so you get the best of both worlds: SEO and ajax'ed view that seamlessly return views! And in case if the client's javascript is off, it will use standard GET request and render the view. I've tried to copy that technique but they doesn't work, and the project is a bit complicated for me to digest.

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Mar 17 10 at 12:30

I'm using mvc2 and trying to send a list of json objects with hard coded values from the home controller, and receive them in index.... in the code below i'm sending 1 json object. how do i send many?

in home controller:


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JQuery :: Make Json Call To Send An Email?

Aug 27, 2010 08:30 AM

the aspx:


the jquery :


The problem is that I need to use the text in a text box in my webmethod, and I can't because it's static, this results in a compilation error:


What can I do ?

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Make A JQuery Ajax Call To A Webservice That Needs To Return JSON

Jun 19 10 at 23:33

Actually I am trying to learn jQuery Ajax calls to asp.Net webservices.

I have been trying to call the webmethod below:


Do I need to serialize my object in some way before setting the 'data' attribute, so that I can call $.ajax() function?

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Selectively Redirecting HTTP Requests To HTTPS Requests?

Jun 18 10 at 9:56

What's the simplest and most effective way to selectively redirect HTTP requests to your ASP.NET page to its HTTPS equivalent? For example, if my page site URL is [URL], I want to redirect some (or all) page requests to [URL] What's the easiest way to do that?

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Mapping All Requests Through Asp / Call Application_BeginRequest() In With All Site Requests?

Dec 29, 2008 02:00 PM

Is it possible to map ALL requests to a website to ASP.NET? Essentially, what I need to do is call the
Application_BeginRequest() method in the Global.asax file everytime a page (or picture) is requested on my website. Not just .aspx pages, but .html pages as well...

I know when, for example, is called, so is

but how about:

is there a way to call Application_BeginRequest() in with ALL site requests?....

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Total Size Of ViewState By Using Fiddler?

Nov 16 10 at 12:37

Where can I see the total size of ViewState out of the total size of the Response (value in bytes in the Body column) in Fiddler 2?

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Jul 18 10 at 12:48

I am using ASP.Net + .Net 3.5 + VSTS 2008 + IIS 7.0 + C# to develop a web application. I want to use Fiddler to debug (i.e. monitor request and response Http traffic) local traffic -- i.e. when I test web application inside VSTS 2008's built-in test ASP.Net web server. Is that feasible? If yes, how to monitor such traffic? For example, in VSTS 2008's built-in ASP.Net test web application server, the Url I want to monitor request traffic sent to [URL] and its response (i.e. when F5 is pressed in VSTS 2008).

BTW: I previously think Fiddler could only be used to monitor port 80 Http traffic, not sure whether port 1870 could be monitored?

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Wcf - Fiddler Not Sniffing SOAP Traffic From Website

May 6 10 at 17:37

So far I've been successfully using fiddler to sniff web service traffic from both test fixtures, console apps and web projects.

Today I noticed I am not able anymore to sniff that kind of traffic if I am running my web application (it's a ASP.NET website, hosted locally on IIS). I see all the local traffic but the web service traffic is just gone (the service is being hit as I do see the response debugging into the code).

I am still able to successfully sniff soap requests and responses from test fixtures or console apps in the same solution (exact same environment).If it was a windows (I am on Win7) security update or the likes it would never work I guess (unless it affects only traffic routed through IIS).

What should I be looking for that could cause the emergence this behavior?

NOTE: I can see local traffic, but not the SOAP request/responses to the web service which is not hosted locally anyway (it's a sandbox another team is providing)

EDIT: This bit of configuration did the trick (found on Rick Strahl's blog)

<proxy [code].....

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Fiddler Is Showing A Bunch Of 404 Errors To Embedded Dlls?

Dec 28, 2010 07:18 PM

In the application, there is an HTML page that references a .dll (dllMain) using an <object> tag.

dllMain references several other dlls (dll1, dll2, and dll3).

When the web page is loaded, it loads just fine and everything works.

However, there is a bit of a delay in the load time, using fiddler I discovered that it is trying to find dll1, ddl2, and dll3 and failing, resulting in 404 errors... by watching the web page load while watching fiddler, it is clear the delay is from the 404 errors originating from trying to find these embedded dlls.

Is there any way to make the application stop probing for these embedded dlls? Clearly it doesnt need to since the application is working even though these aren't being found?

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Jan 20, 2010 02:12 AM

This is so frustrating to me. I'm doing this via standard .NET 2.0+ web services (not WCF). My application is in .NET 3.5 but I'm just adding a service reference. I've not done any SOAP WSDL sending before. I've used NVP which to me seems much more error prone and burdensome because you have to create all the wrappers yourself and if any of that third party API changes, it breaks your code. I have not a clue how to make a call using the latest PayPal WSDL. I added the service reference and I see proxy classes such as [className]Request and [className]Response but how do you actually make the CALL and send the request over the wire?

I see people have used the outdated (.NET 1.1) PayPal SDK. We do not want to use an SDK just to send a request. Isn't it much easier nowdays in .NET when using any SOAP API to invoke the request? People for example using PayPal are relying on a caller class from that SDK but again it's way, way outdated. So onto today, .NET 2.0+, I thought that you don't need all that plumbing anymore?

How would I do this? I see no good documentation on the net period on .NET 2.0 or 3.5 web services especially SOAP and it's frustrating. Sure add the service reference, use the WSDL and proxy generated class wrappers but outside this HOW to make a request is impossible to find. I'm seeing legacy ways of doing this in .NET and then I hear this is all done under the covers for you in .NET..I guess that must be .NET 2.0+ ?? Is it as simple as just making the proxy class method calls and .NET under the covers takes care of the plumbing to actually send the request over Http unlike .NET 1.1 where you had to do all the plumbing yourself?

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C# - Does The Assignment Of _custName Need To Make Any Request To The Database

Jan 28 10 at 23:48

I want to make my queries better but have been un-able to find a resource out there which lays out when a query is shipped of to the db.

DBContext db = new DBContext();
Order _order = (from o in db
where o.OrderID == "qwerty-asdf-xcvb"
select o).FirstOrDefault();
String _custName = _order.Customer.Name +" "+_order.Customer.Surname;

Does the assignment of _custName need to make any request to the database?

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Jul 28 10 at 5:20

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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Apr 11, 2009 10:30 PM

I need to make a httpwebrequest to a url and then retrieve each url that the request is redirected to. For instance, when you click on an ad in a webpage it will usually redirect to another blank page which processes some statistics and then that page will redirect you again to the final page. I would like to retrieve the urls redirected to in between the url I requested and the final ending url after the redirect sequence. So, in my example I would like to retrieve the url of the blank page which processes the stats. How can i do this?

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Mar 9 at 18:21

I have an ASP.NET app that gets its data form an external service, via HttpWebRequest. Currently the request is made on the Page_Load event. After that event finishes I have my objects in the page and I output their data in the HTML. Sometimes the site hangs and throws timeout exceptions. Should I move the web request to an event prior to Page_Load ?

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AJAX :: Unable To Make Wcf JSON Ajax Service Work Through Http Like Asmx?

Jun 22, 2010 09:49 AM

I am new to WCF, I was using web service asmx before. I have trouble on making my wcf JSON ajax service work through http like asmx.Could you help me see what wrong in my code?My WCF services are defined in my website application folder. My aim is to call this service in my aspx page java-script code and return complex object back as JSON to my javascript. I have no problem on doing this through classic asmx web service.

When I try to test it through my browser by type this in the URL , URL-http://localhost:3849/WebServices/Account/WCFCompanyService.svc/GetAll. it return "Method not allowed."

But if I type just this URL-http://localhost:3849/WebServices/Account/WCFCompanyService.svc, it return this:

WCFCompanyService Service

You have created a service.To test this service, you will need to create a client and use it to call the service. You can do this using the svcutil.exe tool from the command line with the following syntax:

svcutil.exe URL-http://localhost:3849/WebServices/Account/WCFCompanyService.svc?wsdl

This will generate a configuration file and a code file that contains the client class. Add the two files to your client application and use the generated client class to call the Service. For example:


class Test { static void Main() { HelloClient client = new HelloClient();


This is my Ajax-enabled WCF service code:


This is the web.config service model setting


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Web Forms :: Fiddler Has Detected A Protocol Violation In Session #2331

Oct 07, 2010 12:58 PM

I got an error and do not know how to fix it!

Fiddler has detected a protocol violation in session #2331.

Content-Length mismatch: Response Header claimed 1939 bytes, but server sent 1983 bytes.

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Aug 7th, 2009, 10:16 AM

I need to make a single GET request using httpWebRequest class.

I was wondering do i need to get response necessary or making only request is enough?


Dim req As HttpWebRequest = CType(WebRequest.Create(""), HttpWebRequest)

or i have to get the response anyway?

Btw, what is the default value of the HttpWebRequest Method? Is it Get or just nothing?

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Dec 11, 2010 03:55 PM

I have several ASP.NET sites, hosted on the same domain (different subdomains) and working via HTTPS.I have WCF service, hosted on the same domain.I have a separate state server for sessions. why - i will reply later, but it's a 'must') On my sites, I use grid components from Telerik (but actually it does not matter) that ask for data from WCF service and must be filled with this data.I cannot manage to make POST request to WCF service from javascript: for some reason it's always either GET or OPTIONS (no matter if I use Sys.Net.WebServiceProxy invoke or just a plain jquery AJAX request). It happens even if I indicate COOKIE mode

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Mar 03, 2010 05:18 AM

I have integrated Third party advertise module in my website. their domain s "".they read cookie from this domain and display advertise based on cookies value. now I want to set cookies on this domain from my website.though this is not possible. they have provided url to set cookies. can set cookies on their doemain by calling above ur.Problem:1) we can't make xmlHttp request because this is cross-doamin link.2) we can't use jquery because it uses xmlHttp as native implementation.3) i have tried to set above url in <img src="..." > and <script src="...">. both not working.but when i paste above url in address bar it works.can anybody have idea how to call above url from Code.

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May 22 10 at 6:28

I want to provide status updates during a long-running task on an ASP.NET WebForms page with AJAX.Is there a way to get the ScriptManager to execute and process a script for a web service request concurrently with an async postback? I have a script on the page that makes a web service request. It runs on page load and periodically using setInterval(). It's running correctly before the async postback is initiated, but it stops running during the async postback, and doesn't run again until after the async postback completes.

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Mar 04, 2010 10:06 AM

i'm just getting started with and ajax. My question is : is it possible to make an ajax request and simulate the server response in the code behind. in other words can the request be sent to the code behind of the same page? if it's possible haw can i perform this ?

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Apr 5 10 at 21:11

I have an ASP.NET project (VS2008 on Windows 7 with either webforms, MVC1, or MVC2 -- all the same result for me) which is just the File->New hello world web project. It's using the default ASP.NET development server, and when I start the server with F5, the browser never connects and I get a timeout. I tried to debug this by telnetting to the development server's port while it was running, and I got the same result:

C:Usersfarmercs>telnet localhost 54752 Connecting To localhost...Could not open connection to the host, on port 54752: Connect failed I can see in the system tray that the server thinks it's running, and a netstat -a -n command shows that there is indeed an active TCP listener on that port.

This worked in the not-too-distant past, and I could work on web projects using the development server. One thing that has changed since then was that I installed the Microsoft Loopback Adapter to accommodate a local development Oracle installation. I'm not sure this is the problem, but it seems a likely culprit.

I also tried to hit the port using the server name itself (http://mycomputername:54752) but with the same result. So, what could be blocking me from connecting? And if it's the loopback, then what is a good way for me to retain my ability to connect to my development Oracle server while still being able to use the ASP.NET development server?

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Feb 21 at 8:36

I have a listbox on an ASP.NET page:


I'd like the page to form a request to ProcessData.asmx?Language=X when X is selected in the listbox.How do I achieve that?

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