MVC :: ActionFilter For Banned Users Causes Error 'Server Cannot Modify Cookies After HTTP Headers Have?
Mar 12, 2011
I am trying to make ActionFilter which redirects banned users to /Error/NoAccess site, so I have ActionFilter:
[Code]....
Before each public class xxxxxxController : Controller I use [NoBannedUsersActionFilter]. But for example on website /Account/LogOff I have error: 'Server cannot modify cookies after HTTP headers have been sent.' and VisualStudio shows me AccountModel.css file and this method:
[Code]....
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Mar 31, 2011
I am creating a web application in C#.When my page loads I fire an asynchronous thread to process some data. Part of this processing is the updating of a cookie. However when I save the cookie to the response by System.Web.HttpContext.Current.Response.Cookies.Add(c) where c is the HttpCookie, I get the following exception:HttpException: Server cannot modify cookies after HTTP headers have been sent.
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Apr 1, 2011
We have a basecontroller that has both an OnActionExecuting and OnActionExecuted. Occassionally, the OnActionExecuted will throw an exception 'Server cannot modify cookies after HTTP headers have been sent.'. This doesn't happen all the time, and we can't find a pattern to it. My guess, based on searching, is that filterContext is not always the current context. Is there a way to rewrite the Cookies.Add to get the current context, always? Or is the fact that we are in the ActionExecuted mean the headers will always already have been sent and we shouldn't be doing anything like this in the executed step?
[Code]....
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Feb 27, 2011
Im doing something like this to get a list of all users that have been blocked:
public IQueryable<Aspnet_User> GetBannedUsers()
{
return db.Aspnet_Memberships.Where(x => x.IsApproved == false).Select(x => x.Aspnet_User);
}
Im doing this to block users:
MembershipUser user = Membership.GetUser(username);
if (user != null)
{
user.IsApproved = isApproved;
Membership.UpdateUser(user);
}
how can i get the list of banned users ordered by date they were banned.
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May 19, 2010
I am getting the following warnings on the Event Log for a Asp.Net WebSite running on IIS 7.
Exception information:
Exception type: HttpException
Exception message: Server cannot append header after HTTP headers have been sent.
at System.Web.Hosting.ISAPIWorkerRequest.SendUnknownResponseHeader(String name, String value)
[code]....
I tried to debug the WebSite but it just does not show in debugger. The web page which has got this issue contains the following.
Its a content page with a Master page.
It has a grid inside an UpdatePanel which is Triggered by a Timer.
On the specified time grid data is refreshed.
Everytime this happens we see a new warning in the EventLog.
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Sep 13, 2010
I have an ASP.Net site (happens to be MVC, but that's not relevant here) with a few pages I'd like cached really well.
Specifically I'd like to achieve:
output cached on the server for 2 hours.if the file content on the server changes, that output cache should be flushed for that page
cached in the browser for 10 minutes (i.e. don't even ask the server if it's that fresh)when the browser does make an actual subsequent request, I'd like it to use etags, so that the server can return a 304 if not modified.
(note - time values above are indicative examples only)
1) and 2) I can achieve by Response.Cache.SetCacheability(HttpCacheability.Server)
I know 3) can be achieved by using max-age and cache-control:private
I can emit etags with Response.Cache.SetETagFromFileDependencies();
but I can't seem to get all of these things to work together. Here's what I have:
Response.Cache.SetCacheability(HttpCacheability.ServerAndPrivate);
Response.Cache.SetRevalidation(HttpCacheRevalidation.AllCaches);
Response.Cache.SetETagFromFileDependencies();
Response.Cache.SetValidUntilExpires(true);
Response.Cache.SetMaxAge(TimeSpan.FromSeconds(60 * 10));
In particular:
can browsers do both 3) and 4) like that? When Firefox issues a new request after it expires in the local cache, it does indeed send the etag the server responded with before, but I get a 200 response.setting the variables like above, where would I set the duration of the output caching?
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Sep 3, 2010
Server cannot append header after HTTP headers have been sent
[Code]....
[Code]....
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Dec 2, 2010
I am having problem redirecting error when error is http 500 or http 403 locally running this site there is no problem it gets redirected to my errorpage.aspx. But when deployed at server, it does not get .tried putting try and catch in page_load and in global.asax and I have set Application_Error to redirect to that page and also set <customErrors defaultRedirect to that page also
error
statusCode="500"
redirect="/errors/errorpage.aspx?error=500"
/>
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Oct 13, 2010
I have a action filter:
[Code]....
Once the action filter handles the validation, instead of redirecting to another pages is it possible just to return the view associated with the action with the updated modelstate? Basically this is to handle business validation exceptions thrown by the business layer in a generic way.
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Feb 14, 2011
I have created one page to show the progress of payment . After successful payment i need to redirect user to the payment confirmation page. When i am redirecting am getting the following error.
Cannot redirect after HTTP headers have been sent.
[Code]....
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May 27, 2010
In my application I need to set a http response header. I'd like to do this in web.config. but I dont'know if this is possible and I can't find it on Google. Solution Finally, after a long search I found the solution. Create a class with this code:
public class myHTTPHeaderModule : IHttpModule
{
#region IHttpModule Members
public void Dispose()
{
}
public void Init(HttpApplication context)
{
context.EndRequest += new EventHandler(context_EndRequest);
}
void context_EndRequest(object sender, EventArgs e)
{
HttpResponse response = HttpContext.Current.Response;
response.AddHeader("Content-Language", "*");
}
#endregion
}
(Don't ask me why to use this event, but it works..) Now add a line in web.config in the HttpModule section:
<httpModules>
<add type="namespace.myHTTPHeaderModule, assembly name" name="headers" />
<add name="ScriptModule" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
</httpModules>
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Oct 5, 2010
I Have a specific set of HTTP response headers I'm trying to recreate in ASP.NET.
Here is how it looks in Fiddler (Raw):
HTTP/1.1 200 OK
Content-Length: 570746
Content-Type: audio/wav
Last-Modified: Wed, 19 May 2010 00:44:38 GMT
Accept-Ranges: bytes
ETag: "379d676ecf6ca1:3178"
Server: Microsoft-IIS/6.0
X-Powered-By: ASP.NET
Date: Tue, 05 Oct 2010 18:35:18 GMT
Here is how it looks on the Headers tab (same data. Different view)
I am trying to recreate the same set of headers (different values of course) with code, on an ASP.NET page. The biggest problem is with the cache settings and the ETag. It usually shows some "private" or similar cache setting and no ETag value, even though I'm trying to set it explicitly with
Response.Cache.SetETag
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Feb 4, 2011
This has been bugging me for a while now. Whenever I try to share my website link on Facebook or another link-sharing site, the link-sharing site either removes the URL (like it doesn't recognize it as valid) or in Facebook's case - it can't retrieve meta-data automatically.
I'm pretty sure that it used to work. However, Googling / StackOverflowing for this problem is a difficult task, since I have no idea what possibly could create this problem.
I've tried to create a static .HTM file on my website, and that works fine: test.htm
My default home page is a classic ASP (yeah I know, PHP version in the works) which uses IIS 7 URL Rewrite module.
I've tried to check the resultcodes and headers for both test.htm and my default home page on this page: [URL]
This is the results:
test.htm
URL=http://www.orango.nu/test.htm
Result code: 200 (OK / OK)
Content-Type: text/html
Last-Modified: Fri, 04 Feb 2011 10:16:55 GMT
Accept-Ranges: bytes
ETag: "0d877a654c4cb1:0"
Server: Microsoft-IIS/7.0
X-Powered-By: ASP.NET
Date: Fri, 04 Feb 2011 10:40:08 GMT
Content-Length: 452
default home page /
URL=http://www.orango.nu
Result code: 200 (OK / OK)
Cache-Control: public
Content-Length: 13463
Content-Type: text/html; Charset=UTF-8
Accept-Ranges: bytes
Server: Microsoft-IIS/7.0
Set-Cookie: ASPSESSIONIDSCSADCAR=DLPBECCBGDJMADLEPMOMHDDC; path=/
X-Powered-By: ASP.NET
Date: Fri, 04 Feb 2011 10:24:22 GMT
The first 4 lines of my default.asp (/) file are:
Response.ContentType = "text/html"
Response.AddHeader "Content-Type", "text/html;charset=UTF-8"
Response.CodePage = 65001
Response.CharSet = "UTF-8"
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Apr 12, 2010
I have just installed IIS manager version 6.1 build 7600 and visual studio 2010 (latest additions of both).
I have followed all the instructions and given the correct permisions ect for IIS to work with my directory. I have a helloworld website that has worked via the localhost server many times, but almost hourly something happens to the settings in IIS and it starts throwing errors.
The current error copied below. Basically I am wondering a few things...
1. Why does my IIS constantly do something so that it works one minute and then it wont the next (this is with an identical helloworld.htm file so I know it is not something I am doing with the file that is messing it up).
HTTP Error 500.0 - Internal Server Error
Calling LoadLibraryEx on ISAPI filter "C:WindowsMicrosoft.NETFrameworkv4.0.30128aspnet_filter.dll" failed
Module
IIS Web Core [code]......
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Aug 11, 2010
In the web app (C#, ASP.NET) I am working on at the moment, the value in Request.Headers["Referer"] can determine things like custom style. I have created a custom page with a drop down menu to test this functionality. So when the selected index changes, the value selected should be set in the Request.Headers["Referer"] then will be redirected (Response.Redirect), the receiving page will then pick up the value in Request.Headers["Referer"] and adjust the styling accordingly. However I haven't been able to set value for Request.Headers["Referer"]. Is it possible at all?
Website 1 sets the value in Request.Headers["Referer"], e.g. www.xyz.com and before doing Response.Redirect to www.website2.com
Website 2 picks up value in Request.Headers["Referer"], in this case www.xyz.com and do what it needs to do, i.e. styling etc.
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Apr 20, 2010
I am currently trying to setup our website on a windows 2008 R2 64bit machine without much success. When I try to run the website I get the error detailed below. This only happens when I run the site under .NET 4. It works when I run it under .NET 2.
I have also tried going to a test aspx page to see what happens and it also give me the same error so it is obviously something to do with .NET 4 or the way I have it set up. I am thinking it might be a permissions thing but I am not sure what permissions should be set where. Please note this is the full version of .NET 4. The error I keep getting is:
HTTP Error 500.0 - Internal Server Error
An error message detailing the cause of this specific request failure can be found in the application event log of the web server. Please review this log entry to discover what caused this error to occur.Detailed Error Information
Module AspNetInitClrHostFailureModule
Notification BeginRequest
Handler PageHandlerFactory-Integrated-4.0 [code]....
Most likely causes: The module could not be found.IIS received the request; however, an internal error occurred during the processing of the request. The root cause of this error depends on which module handles the request and what was happening in the worker process when this error occurred.
IIS was not able to access the web.config file for the Web site or application. This can occur if the NTFS permissions are set incorrectly.
IIS was not able to process configuration for the Web site or application. The authenticated user does not have permission to use this DLL.
The code in the test.aspx is
<%@ Page language="vb" %>
<html>
<body> [code]....
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Mar 22, 2011
I try to upload web application to the server. After that I access it through http://..., but get
[Code]....
I search on the web, and add IIS_IUSRS to security of the folder of web application, and upload again. But still get same error. I need help on this,
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Sep 20, 2015
the same application is working fine in 32 bit machine of my colleague where as in my 64 bit machine I am getting the following error. I also tried by changing Target Platform of the web app, under Properties-->Build-->Platform Target: From X86 to X64, in fact I tried all 3.
HTTP Error 500.19 - Internal Server Error
The requested page cannot be accessed because the related configuration data for the page is invalid.
Detailed Error Information:
Module
IIS Web Core
Notification
BeginRequest
[Code]....
Config Source:
18: <validation validateIntegratedModeConfiguration="false"/>
19: <handlers>
20: <remove name="ChartImageHandler"/>
More Information: This error occurs when there is a problem reading the configuration file for the Web server or Web application. In some cases, the event logs may contain more information about what caused this error.
View more information »
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Jan 11, 2010
I'm very new to ASP and have been writing a site which has been working fine both in development and on my production server.
However I added some reports to my site and now it works fine when I run debug on my local machine, but when I package the solution and move it onto my production server I get:
HTTP Error 500.23 - Internal Server Error
An ASP.NET setting has been detected that does not apply in Integrated managed pipeline mode.
I'm suing server 2008 STD X64 with IIS7. I've made sure all my windows updates are done.
I've no idea whats causing this. I've tried removing the pages with reports on and I still get the same issue.
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Jun 30, 2010
I have an existing ASP.NET application and there is a requirement in which i need to use ASP.NET MVC in that.
So altogether i need to mixing ASP.NET Webforms and ASP.NET MVC I am following an article [URL] I am done with all the steps. But its not working as expected.
[Code]....
When ever i add this to the web.config i am getting error. HTTP Error 500.22 - Internal Server Error An ASP.NET setting has been detected that does not apply in Integrated managed pipeline mode. ERROR CODE: 0x80070032 My OS is Vista Enterprise Edition.
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Jan 11, 2011
We have had some problems with using a unmanaged DLL file written in Delphi. (Unable to load dll - not found...)The following code solved the problem on my local machine:
[Code]....
1) The elusive DLL is copied to the ASP.NET temporary files folder2) To check this we get a list of files from that folder.3) The needed function is called with DLL-import.1 & 2 works perfectly - both run directly from Visual Studio 2010 and when uploaded to a webhotel3 works perfectly local, but causes the remote host to think a little and then return a HTTP 503 Service Unaviable error for the next few minutes...
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Nov 19, 2010
I am facing a problem ' HTTP/1.1 500 Intenal Server Error' while I want to create a new project of Visual Studio .NET.
It's running on VS 2003 which is quite old now rather than VS 2010 already came out.
I've tried to re-installed the aspnet account by running 'aspnet_regiis -i' and then reset the iis, and the result is nothing
I also tried to reinstall the IIS and VS 2003. And currently I'm still facing the same problem.
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Aug 8, 2010
I've a code to persist information in cookies about users like UserName and password.
Question is:
Its not secure to store information like that plain text in cookies.My DB store hashed passwords,so i could save those hashs in cookies and retrieve them later,but if i do that i wouldnt be able to fill password's textbox cause the hash string would be too long for it.
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Oct 8, 2010
I am using ASP.NET profiles with allowAnonymous="true". I am NOT using ASP.NET membership. I recently took a hard look at the aspnetdb database and noticed that although my site gets 600-800 unique visitors daily, there are 4000-5000 "users" being created in the database.
Clearly what is happening here is the users with cookies disabled end up creating a record for every request.
My question: How do I prevent user and profile database records from being created if the client doesn't support cookies or has them disabled?
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Nov 18, 2010
how to auto login the user like in facebook.
what i mean that if the user ticks remember me then next time he will be auto logged in
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