Custom 404 Redirect For A Site With URL Rewriting?
Sep 1, 2010
In my site, I have used IIS7's URL rewrite module to redirect URLs like http://mysite.com/File.aspx?Name=SomeName into http://mysite.com/SomeName.
It appears that IIS7 has created a corresponding rule check, so that any URL of the sort http://mysite.com/SomeURL is redirected to File.aspx. This is fine in most cases, when the URL is correctly rewritten.
The problem is that in some cases, the file no longer exists - http://mysite.com/SomeName2 will still get redirected to http://mysite.com/File.aspx?Name=SomeName2.
I want to show a custom 404 error page for this URL - how do I trigger the 404 error in global.asax (I have set application error logging and handling in global.asax)? The below code doesn't work.
Response.Status = "404 Not Found"
Response.AddHeader("Location", "http://mysite.com/Invalid-File.aspx?" & Request.QueryString.ToString)
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Feb 18, 2010
In answering another persons question here on SO, I discovered that there is a small "bug" in my global redirect code.I have wired up a Global class to an HttpModule. It's job is to detect "http:/www." in the URL and redirect the user to the NON www. version
Protected Sub OnBeginRequest(ByVal sender As Object, ByVal e As EventArgs)
'Force Removal of WWW
Dim application As HttpApplication = TryCast(sender, HttpApplication)
[code]....
when it redirect a page http://www.example.com/AboutUs, the goal is to have it go to http://example.com/AboutUs (the rewritten page) but instead it's going to http://example.com/Default.aspx?Slug=AboutUs (the original page).I tried doing a bit of a hack by changing
Dim newUrl As [String] = UrlRegex.Replace(url.ToString(), [String].Format("{0}://", url.Scheme))
application.Context.Response.Status = "301 Moved Permanently"
application.Context.Response.AddHeader("Location", newUrl.Replace("Default.aspx", ""))
to
Dim newUrl As [String] = UrlRegex.Replace(url.ToString(), [String].Format("{0}://", url.Scheme))
newUrl = newUrl.Replace("Default.aspx?Slug=", "")
newUrl = newUrl.Replace("Default.aspx", "")
application.Context.Response.Status = "301 Moved Permanently"
application.Context.Response.AddHeader("Location", newUrl)
not something I want to do anyways since it's a hack, but it didn't work anyways.
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Mar 1, 2011
i want to integrate simple url rewriting in my site. It is dynamic website that get contents from the Link My link is always like sitename.com/default.aspx?param1=1¶n2=hello¶m3=test I have only one page in this site. how to implement URL rewrite in this file. I use some demos but unable to do this.
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Sep 11, 2010
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Jul 9, 2010
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Mar 31, 2010
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Apr 10, 2010
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Jan 29, 2011
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#custom redirects
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Aug 12, 2010
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Jan 21, 2010
After button click i would like to redirect to other site but without blink. Is it possible with updatepanel?
This is my main page:
[Code]....
Redirect:
[Code]....
on other page i have only label with text.
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Apr 27, 2010
I have a home server running at home and I want to grant family members access to certain private websites.
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Dec 9, 2010
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Oct 1, 2010
I have 2 sites, one the main product site the other a secure site featuring the basket and checkout processes.
When a user clicks "add item to basket" I am creating a basket in a database and then adding the items to the basket. The theory was then to store the id from the database for the basket (the basketid) in a cookie, redirect the user to secure site, use the basket id from the cookie and display the contents in the basket.
However I am having trouble getting the secure site to use the same cookie. When I redirect the users to the secure site, the basket appears empty. I need to go back to the main site and then back to secure before the cookie appears.
Here is the code for the cookie
[Code]....
And then on the secure site this is how it gets the basket ID from the cookie
[Code]....
But like I say it's having problems. I've tried replacing the cookies with session variables as well but it didn't work.
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Nov 10, 2010
I have developed .net web application. When i change the page name(Which is not exist) in URL, it throws following error msg. I could not redirect the error page for respected error no(401.2..) Through IIS Admin and web config. Could anybody give appropriate solution. It is urgent. Access is denied. Description:
An error occurred while accessing the resources required to serve this request. The server may not be configured for access to the requested URL. Error message 401.2.: You do not have permission to view this directory or page using the credentials you supplied. Version Information: Microsoft .NET Framework Version:1.1.4322.2470; ASP.NET Version:1.1.4322.2470
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Jan 5, 2010
I have created a custom error page to redirect whenever any error occurs. I made the following changes to the web.config file
<customErrors mode="On">
<error statusCode="403" redirect="~/Error.aspx" />
<error statusCode="404" redirect="~/Error.aspx" />
</customErrors>
Suppose my url is in the following way: http://MyTestSite/Posts/Post1.aspx
If I remove the .aspx at the end manually then it is not displaying my customm error page instead it is dispalying default 404 error page : Page cannot be found.
Also, if I give http://MyTestSite/Posts the same 404 error message is displaying. Even the Application_Error event in global.aspx is unable to handle this error.
How can I redirect these type of cases to my custom error Page? Do I need to make any changes in IIS default errors or can I able to acheive only using web.config?
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Feb 24, 2011
I am using a custom event in third party library for my asp.net project. When the event happens, I need to redirect to another page. Problem is that since it is custom event, Server.Transfer or Response.Redirect can't be used (I tried but got "response is not available in this context"). So I think best way would be to trigger post back in the event and redirect in page_load event on appropriate conditions. Is this right approach or is there any better idea? And, how can I trigger postback?
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Jul 19, 2010
I have custom errors set in the web config file as follows:
<customErrors mode="RemoteOnly" defaultRedirect="GenericError.aspx" />
Fine and dandy... I like that mode="RemoteOnly" facilitates development...
For unhandled exceptions, I have in global.asax:
Sub Application_Error(ByVal sender As Object, ByVal e As EventArgs)
Response.Redirect("GenericError.aspx")
End Sub
However, unhandled exceptions are going to the generic error page instead of the informative yellow screen of death preferred by developers. I can comment out the redirect in global.asax, but then I need to remember to change it for the production environment. Is there a way I can check in Application_Error whether I am remote or not to determine whether to redirect?
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Dec 1, 2010
i have developed a production site in godaddy server.Now i want to display a custom error page if there is any error occurs in the site.i have made following changes in the web.config file ,
<customErrors mode="On" defaultRedirect="/Areas/User/Views/Shared/Error">
<error statusCode="403" redirect="NoAccess.htm" />
<error statusCode="404" redirect="/Areas/User/Views/Shared/Error" />
</customErrors>
But now if error occurs the server will display his default error page for 404 page.Now i want to display my customised error page.Please tell me the entire steps to implement this in asp.net mvc 2.0.i,e is there any coding i have to write in then controllers or in the global.asax.
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Sep 25, 2010
I created a custom membership provider for an MVC2 site.My web.config has this:
<membership defaultProvider="MyProvider">
<providers>
<clear/> [code]....
This value, MembershipService.MinPasswordLength, is zero (0). Obviously, this is coming from my class. I can't have a set because the abstract class has this as a read-only property.Why doesn't the MembershipProvider read this value from the Web.Config? What am I missing?
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Mar 18, 2010
I'm using a custom sqlsitemapprovider to get my site hierarchy out of the database and display my navigation. Now, I have the following main (parent) nodes:
Home - Products - News. What I want to achieve is this, suppose you click on products then a subnavigation appears like this:
productGroup1,productGroup2, productGroup3.
But when you click products, no selection was made from the subnavigation, how would I achieve that if someone clicks on products, the
first product with content from the first productGroup1 shows up?
To visualize this: I click on Products -> Subnavigaton gets rendered -> PG1 - PG2 - PG3 -> page displays product1 of PG1
Is there as build in manner to accomplish this or how would one create a method to make this work?
P.S.:For my navigation, I'm not using any build in navigation controls, I'm rendering my menu as an html unordered list e.g: <ul><li></li></ul>
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Oct 22, 2010
i have uploaded my site [URL] it it working properly on local machine but when i uploaded on server i am facing 1 error on button clik of any form. there are two ages career and contact whenever i submit this data by clicking button i get this error. Server Error in '/' Application. Runtime Error Description: An application error occurred on the server. The current custom error settings for this application prevent the details of the application error from being viewed remotely (for security reasons). It could, however, be viewed by browsers running on the local server machine.
Details: To enable the details of this specific error message to be viewable on remote machines, please create a <customErrors> tag within a "web.config" configuration file located in the root directory of the current web application. This <customErrors> tag should then have its "mode" attribute set to "Off".
[Code]....
Notes: The current error page you are seeing can be replaced by a custom error page by modifying the "defaultRedirect" attribute of the application's <customErrors> configuration tag to point to a custom error page URL.
[Code]....
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Jun 3, 2010
Say I have a class that wraps the Controller class:
public class MyController : Controller
{
public string SomeProperty {get;set;}
public override void OnActionExecuting(...)
{
SomeProperty = "hello";
}
}
Now in my site.master, I want to have access to the SomeProperty that I just set. How can I do this?
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Nov 28, 2010
When I have a HttpHandler class in C#/ASP.NET mapped to a file extension in IIS any file with that extension fails to download/display in web browsers (it's downloaded as a 0-byte file in some browsers and nothing at all in other browsers). After removing the application mapping for the HttpHandler in IIS so it doesn't call the IHttpHandler class in C#, the web browser downloads the file successfully.
This was tested with an IHttpHandler class in C# that has an empty ProcessRequest method.
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Aug 3, 2010
I am facing problem in to redirect my site from http://example.net to http://www.example.net
When the user can enter the site name in address bar like http://example.net how can i automatically redirected to http://www.example.net
I am trying to change the properties in iis but it doesnot work.
how can i acheive this
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Oct 11, 2010
I am trying to use the Application_Error to redirect the user to a custom error page. I know I could use the web.config to do this, but let's assume for now that this is not a desirable path to take.
Initially, I tried to do a Response.Redirect to perform this, however, there seem to be occasions where the current http context does not define the response object. So, I attempted to perform a check to make sure that the response object is not null prior to attempting the redirection, and if it is not defined, perform a Server.Transfer instead.
What happens is that in most cases, the Redirect causes the browser to some generic "friendlyish" error page rather than the requested error page.
So then I tried using Server.Transfer exclusively, and this worked well for most cases, however, sometimes the transfer didn't seem to take in the browser. Changing it back to a redirect in these cases solved that problem, but reintroduced the issue where the errors previously being captured and transferred now were being redirected.
What I surmised from this is that in certain contexts where the Application_Error method is trapped, it is necessary to use Server.Transfer in redirection, whereas in others, it is necessary to use Response.Redirect. The question then became twofold: (a) When is one necessary and when is the other? and (b) What available information can I poll to tell me when a given condition exists.
After much searching, I cannot find a reasonable answer to this question. So I began to trap errors and examine the HttpContext object for some indicator. One thing that I was looking for is the reason why if even with a defined Response in the current context does a redirect fail. The only thing that stood out is that even though a Response object may exist, the Session data could be absent. I added the case to check whether the Session data was null and perform a Transfer in this case and it
seems to be handling it properly.
I emphasize "seems to be handling it properly" because no documentation I've been able to find confirms either the problem I am having or whether this is an appropriate strategy for solving it.
I guess the question is, am I on the right track here or is the null Session object just a red herring, indicative of nothing relevant. Here's the check I have set up for reference.
[Code]....
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