Can Combine WebResource.axd CSS Requests
Sep 15, 2010
I have developed some ASP.NET server controls which include their own javascript and css files. A lot of these controls use jQuery extensions which, as you know, often include their own css files.
I'm using Telerik's RadScript manager which combines the javascript like a boss. However, I'm using the AjaxToolkit's ClientCssResource attribute to include the css files in my server controls, and I have noticed that the CSS files are not getting combined at all. My pages have 10-15 WebResource.axd requests for css files for my server controls.
Everything I find only is about combining javascript, and nothing tells me how I can combine the CSS files. Does anyone know if there is a way to combine the CSS dynamically (I don't want to manually combine as each page might use a different subset of the server controls)?
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Jan 27, 2011
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Jun 18, 2010
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Feb 26, 2010
ASP.NET automatically includes the following script tag:
<script src="/WebResource.axd?d=8H_C0aee9xE8e9a-3YoRhA2&t=633413907763620168" type="text/javascript"></script>
However the clients site is being proxied through another site. So the URL to the root of their site is:
http://domain.com/somename/
So I need to prefix the WebResource.axd with /somename so the resulting tag will look like this:
<script src="/somename/WebResource.axd?d=8H_C0aee9xE8e9a-3YoRhA2&t=633413907763620168" type="text/javascript"></script>
What I am not sure is how to actually set this? Is there a web.config setting I can set so it has this prefix?
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Apr 6, 2010
I am generating a System.Drawing.Bitmap on the fly in an ASP.NET Custom Web Server Control, and then I want to serve this bitmap as part of the WebResource, because I do not want to save it on the hosting computer. Is there a way to instruct ASP.NET to serve the generated System.Drawing.Bitmap as part of it's WebResource? (therefore making it an "Embedded Resource")
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Apr 4, 2011
My web application [URL] is currently requesting the WebResource.axd file like this:
<script src="/WebResource.axd?d=xxx" type="text/javascript"></script>
As we're using urlrewiting in a Netscaler to forward all requests for the "/social" folder onto a seperate server farm containing this app, the "/" root path won't resolve correctly as it will be requesting the resource from the something.com app.
Therefore I need to change the url of the requested script to either request it explicitly:
<script src="/social/WebResource.axd?d=xxx" type="text/javascript"></script>
or to request it using a relative path:
<script src="WebResource.axd?d=xxx" type="text/javascript"></script>
So far I've looked at overriding the render method, using a control adapter and various other things but haven't really got anywhere as of yet.
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Mar 21, 2010
My website is looking in the wrong place for the scriptresource.axd and webresource.axd. How do I point it at the correct subfolder? Or how do I set it so that scriptresource.axd and webresource.axd are stored in the root of the website?All the ajax is done within subfolders. The web.config is at the root of the website.
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Jan 17, 2011
We have an array of about 12 servers serving a website. Over the past few hours, one single server has started throwing exceptions for WebResource.axd and ScriptResource.axd requests.
Exception
System.Web.HttpException - This is an invalid script resource request.
Stack Trace
at System.Web.Handlers.ScriptResourceHandler.ProcessRequest(HttpContext context)
at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)
Broken server URL
/WebResource.axd?d=S6kjkBsrIKni9uO5HCkv0c8eYObzibWXn9R6A7Yr_Fy7CW4dRFZm1HfcnUTEZ8xBYZDM-5zeTVk1tTgC1hp7d5YYw3o1&t=634308186300177825
All other servers URL
/WebResource.axd?d=yj6PW1hbOvqhMkOh2gYGlw2&t=634207187366247462
I have checked the web.config, machine.config for every server and they're all identical. The only difference been able to find so far is that prior to the problem commencing, the servers were patched, after which, the problematic server looks to be using different version of the System.Web.dll to the others?
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Dec 9, 2010
Is it possible to change the referral to the WebResource.axd from:
<script src="/WebResource.axd
to
<script src="http://mysite/WebResource.axd
?
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Mar 5, 2011
I have someone doing a penetration test on a site and they are trying to exploit WebResource.axd. I'm confused because whenever I try his URL I either get it trying to download to a text file in IE or displaying as text on FF
https://www.abc.com/admin/WebResource.axd?d=RwbBVERJr4odqFAEhrTxZocB3t466Wz_wzC0J-SrAE-W4xu-AzmjqZkrwGODx5_afw_duUtD5UrVO_hDOpznd5ZG60E1&t=634219309938290489&%3E%27%22%3E%3Cscript%3Ealert%2816146%29%3C%2Fscript%3E=123
He says that it is giving him an alert with 16146 in it, I can't fix it because I can't even duplicate it.
I have customErrors defined within web.config, everything is going to the same concise error page. I kind of get how you COULD exploit this file but I just want to know what I managed to do that causes it to come across text.
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Mar 25, 2010
combining these type of files so that there are fewer http requests? Or for that matter any other tips on making them more efficient?
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Jun 9, 2010
I built the asp.net website in release mode, set the debug flag to false in web.config, but still some of the webresource.axd and scriptresource.axd and javascript files are not getting cached. fiddler shows the status code "200" for these items instead of "304". what else I am missing to cache these files?
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Jul 16, 2010
Im working on a project where i am implementing a friendly url system using the url rewite module in ii7.
This is all good and works great.
My only issue is that webresources.axd and Telerik.Web.UI.WebResource.axd both have relative paths. This causes lots of issues when the url is http://domain.com/some_page_name/
<script src="/WebResource.axd?d=mJUUfJUeVsvUq18HY14aGg2&t=634054669363345579" type="text/javascript"></script>
<script src="/Telerik.Web.UI.WebResource.axd?_TSM_HiddenField_=RadScriptManager1_TSM&compress=1&_TSM_CombinedScripts_=%3b%3bSystem.Web.Extensions%2c+Version%3d3.5.0.0%2c+Culture%3dneutral%2c+PublicKeyToken%3d31bf3856ad364e35%3aen-US%3a1247b7d8-6b6c-419f-a45f-8ff264c90734%3aea597d4b%3ab25378d2%3bTelerik.Web.UI%2c+Version%3d2010.1.519.35%2c+Culture%3dneutral%2c+PublicKeyToken%3d121fae78165ba3d4%3aen-US%3afcd44c12-f50d-4937-b05d-1aa46b5c5b3e%3a16e4e7cd%3aed16cbdc" type="text/javascript"></script>
Is there anyway I can assign an absolute url to these resources?
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Jul 12, 2010
I have a site that uses the Ajax Control Toolkit that's been running for several weeks and a week ago all of a sudden users are seeing script errors. I'm getting 'Sys' is undefined errors, as well as 'object required' and other JavaScript exceptions. The site does not function because of this.
I checked the page source and looked for the WebResource.axd and ScriptResource.axd's and tried navigating to them directly by putting the URL in the browser. I got a 404 error - file not found. If I do the same in our test environment, it comes back and asks me if I want to save or open the file. If I open it, I see the JavaScript that I am expecting (from the Ajax Control Toolkit).
In our test environment, with the same code, everything works fine. This tells me there was something on the production server that's preventing this from working. About 4 days before this started happening, we found that some user documentation (PDF) wasn't being protected by Forms Authentication (we need only legitmate users having access to it) so we added a wildcard mapping in IIS with "verify that file exists" was unchecked, knowing that if it were checked, we'd have this problem. I had one of the network admins check this setting after this started happenig and he said that it was still unchecked. I asked him to remove the wildcard mapping altogether and I still see the same behavior.
I am certain that this isn't a coding problem; again, as it went through the QA process in our test environment, everything works perfectly. And after the last deployment to production three weeks ago, everything was perfect as well. We added the wildcard mapping (which shouldn't have had an effect) and four days later the site breaks. I've asked our IT department if any changes were made to the server recently and nobody says they did.
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Apr 12, 2010
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May 16, 2010
I have published a website and installed it on my local machine and it works fine, but when i install it on the both servers who controlled from the load balancer i got an error like the WebResource.axd not found. how can i resolve this problem? i have checked the IIS for axd mapping, the "Check that file exists" is unchecked for both servers.
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Apr 30, 2010
I have introduced site wide exception handling on my site to catch unexpected errors. The event handler sends a message to me when such an exception occurs. But the problem is that any clicks on my site will cause an exception to be thrown with the message: "This is an invalid webresource request."
I googled for an answer and only found a couple of references to 1. setting a fixed machinekey (which for some reason didn't work for me, I got an error saying that the virtual directory wasn't set in IIS, and as far as I know I'm not using IIS at all, I'm using the local development environment and then deploy to a web host) or 2. using a robots.txt file to stop robots from accessing the axd files, but that doesn't help either because it's not robots that cause the problem, anyone clicking around on the page will cause this error. how to solve this problem properly? For now I have handled it by catching and ignoring this particular error by the text in the error message, which works but I would rather fix it so that this error doesn't occur at all.
[Code]....
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Dec 7, 2010
I migrated an ASP.NET 3.0 application from one web server to another. The only difference that I know of between these webservers are, one is running II6 and the new one (the one this app was moved to) is running IIS7. The application was running fine in it's old environment, no code changes were made, but now it doesn't seem to like the web.config. I get the following error:
[Code]....
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Sep 29, 2010
There is a lot of discussion about todays fix for ASP.NET to prevent an attack that can be used to get the encryption keys from an application. In one discussion I read that it could also be used to make the WebResource.axd handler return any file in the application by forging the request parameters to point to a known file location (where /web.config would be the most obvious choice).
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Mar 21, 2010
i hv added a treeview control on the .aspx page, when i try to browse it from web server, the image is showing as broken image, where the image link is showing like this [URL]
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May 7, 2010
Recently, a couple of my applications have started throwing exceptions with the message Padding is invalid and cannot be removed intermitently
My applications already have a machineKey specified in the web.config as suggested in this thread
The applications are deployed to a single Windows 2003 server running IIS6.
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Mar 3, 2011
I have a simple textbox and button on a page using validation, like so:
<body>
<form id="form1" runat="server">
<div>
<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
<asp:Button ID="Button1" runat="server" ValidationGroup="TestV" Text="Button" />
<asp:RequiredFieldValidator ControlToValidate="TextBox1" ID="RequiredFieldValidator1" ValidationGroup="TestV" runat="server" ErrorMessage="RequiredFieldValidator"></asp:RequiredFieldValidator>
</div>
</form>
</body>
[code]...
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Oct 7, 2010
I'm working on an ASP.net web application. I'm getting errors on some of my pages where I get runtime JavaScript errors. I've narrowed the problem down to a single ASP Menu control on the master page. I created a blank page with just the ASP Menu control. The ASP Menu control is bound to Web.sitemap. The page intermittently gives runtime errors. However, if I refresh the page, the error may or may not appear on any given page load. Sometimes, it works; sometimes, the browser throws runtime errors when loading the page or when I mouse over the ASP Menu control.
When I catch the error in Visual Studio, the message is "microsoft jscript runtime error 'sys' is undefined". When I Google for this message, I find that it is usually associated with AJAX. However, the ONLY thing on the page is a single ASP control. There is absolutely no Javascript on the page except for what gets generated by the .net framework. What could be causing this problem? UPDATE I've found out that my environment actually has load balancing with a web farm of three servers servicing the URL. When I access the application on any one of the servers individually by IP address, everything works fine.
To clarify, I understand that when a user hits the public-facing URL, it resolves to x.x.x.1. x.x.x.1 is the address for a switch which routes the request to either x.x.x.2, x.x.x.3, or x.x.x.4. When I use the public-facing URL, I find that some of the axd file requests are intermittently rerouted to Error.aspx! WTF? I'm told that this is the result of a security feature that is meant to protect me from cross-site scripting and other assorted bad stuff. What can I do? Update After taking out some error page auto-redirects, I get a more meaningful error message: ASP.NET Ajax client-side framework failed to load.
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Jul 19, 2010
We have an issue when our web application runs under reverse proxy.
The reverse proxy change the URL for the website from for example: "http://TestWebApp/" to: "http://ProxyDomain/Test/" when it runs under reverse proxy which is mapped to "http://TestWebApp/" and rout requests to it.
This raise an issue of root relative paths (paths that start with "/" to be relative to the root of the web application i.e. "/Folder1/Test.aspx"). Generally all paths that need to be rendered to client we use ResolveClientUrl method and all is good.
When using Ajax controls and ScriptManager WebResource.axd paths are rendered in script tags as a relative url paths ("/WebResource.axd?blablabla") because the root under reverse proxy is the proxy domain itself the path is useless - the web resouce is not downloaded and the application break.
To fix this we tried to set a Response.Filter in OnPreRender event handler of our base page. In our custom filter we use Regex to search and replace all "/WebResource.axd" occurences with the resolved to client root path using the ResolveClientUrl method of the page. This works great and the web resources are downloaded to client.
But this is not the end of our troubles.
In Ajax requests the response output is fixed as described but when recieved at the client end it is not valid and the partial update fails with Sys.WebForms.PageRequestManagerParserErrorException.
It fails to parse the response because the rendered response have numbers that states the actual count of bytes per rendered component (which includes the script tags referencing the WebResource.axd). The client reciever validates the recieved response according to the numbers, but, our filter altered the response so the numbers are not correct and the response validation fails.
We can try and code a smart filter that parse the response and recalculate the numbers according to the ammount of paths fixed, but I hope there is an elegant and better solution for this.
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May 16, 2010
We Installed new application in our dedicated server. I struggle with an issue for the last few days. I get 404 no found in all WebResource.axd requests.
I have uninstall and install .net 2.0 - I have .net 3.5 installed as well. using webresource decrypter I found that many JS files, such as WebForms.js generate the erorr.
I check the iis handlers mapping for .axd
I disable http comp.
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