HttpHandlers / Modules :: Redirect To Login Page From Generic Handler

Sep 8, 2010

I have created a asp.net generic handler to use it in auto-complete text box. Here is my code to it

/// <summary>

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HttpHandlers / Modules :: Cannot Retrieve An Image Using A Generic Handler

Mar 26, 2010

I wrote a generic handler like this:

[Code]....

and on the other page I would like to retrieve the database image using :

<img alt="" src="ShowImage.ashx?ID=467711" />

but I am getting nothing in this case. The picture exists and there are 91000 bytes in array.

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HttpHandlers / Modules :: Use Generic Handler To Call External Web Service?

Oct 28, 2010

I am tring to call external web service through generic handler ,post some example code for the call webservice from generic handler .

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HttpHandlers / Modules :: Generic Handler / Prevent Data From Being Written To Live Table Via The Live.aspx Page?

Jun 28, 2010

I am using a generic handler (indicator.ashx) to create a graphic that is overlayed from information from a table (called LIVE) from our SQL database. This is working very well and I am very happy with the results.

However I am having an undesirable issue where the query string that is used for this is also being accessed by another page (called ReceiveLive.aspx) which is populating our LIVE table with data when we don't want this. I have been able to track this issue down to our generic handler that seems to populate this table with data whenever the handler is accessed.

The query string that is used to access our graphic through our generic handler is
http://mydomain.com/indicator.ashx?ID=ABC001.

Our other page that writes data to our LIVE database used the query string
http://mydomain.com/live.aspx?ID=ABC001 which is normally only accessed by a small piece of software that sits on the users PC and sends the data when necessary.

My question is this: How do I prevent data from being written to our LIVE table via the Live.aspx page everytime a query string is processed by my indicator.ashx is accessed?

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HttpHandlers / Modules :: Redirect A Page From Http To Https Using Http Module Begin Request Handler?

Jul 15, 2010

i redirect a page from http to https using http module begin request handler .i am calling webservice using ajax but it is saying webserice not defined .which otherwise works fineits work fine when rediect page in page_load instead .but i need to add function for https to http in every page. i still not know why ajax is not working when i use http module for redirect

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HttpHandlers / Modules :: Set Handler Mapping To Redirect .php File To .aspx File On IIS7?

Mar 15, 2011

Our website used to be a php website, now everything changed to .net, but the customer still want to keep the original php Request url. I want to know How to set Handler mapping on IIS7 to redirect .php file to .aspx file ? In more details, when you click handler mappings on IIS 7.0, what kind of hanlder should you add (add managed handler or add script map or add wild card script map or add module mapping) to redirect .php file to .aspx file?

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HttpHandlers / Modules :: Handler And Sessions?

Mar 7, 2011

I have a form with a server side button, clicking on which session variable is added Session.Add("ABC","123")After this (in same postback event), I redirect user to a site, which returns user back to my site. And I still have session "abc" available to me.NOW, In another scenario I am trying to do the same thing but in a handler. I.e.User clicks a clinet side button which redirects users to sameSite.xyz. Handler of xyz adds session variable like above and redirects user to the other site. But, this time when user returns back from other site, my session is lost. How can I imitate scenario 1 with handlers?

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HttpHandlers / Modules :: Get An Image From A Handler?

Dec 29, 2010

v4 NET framework / ASP.NET

I am trying to retrieve an image created by a handler. Here is the code for the handler:

[Code]....

Here is how i call it from an aspx file:

[Code]....

The image is missing from the webpage generated.

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HttpHandlers / Modules :: Handler Pulling Image From Different URL?

Mar 4, 2011

I have 50 sites for 50 states. When a company uploads their contact info their image is stored in a folder relative to the site they are uploading from. When you view this company on the other sites the image is not present. So, I was thinking I would store the path of where the file is originally and then access it through the handler, but I can't seem to get the handler to recognize locations other than virtual directories.

[Code]....

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HttpHandlers / Modules :: Displaying Png Image With Handler?

Jun 30, 2010

a silverlight app sends an image to a webservice which store the image in a database and then a handler retrieves the image from the db to display it... quite common so far.

Everything is working absolutely fine on my test server (IIS on my development machine) but, as soon as i try it on the production server : no way, the image is never displaying (in any browser). Firefox says that it cannot display it because it contains error...

I tried to download the database from the production server just after saving an image to the db and, locally, the image is displaying...

The image is in png format.

Here is my code :

[Code]....

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HttpHandlers / Modules :: Asynchronous Read From Handler?

Jan 16, 2010

I have found very strange problem with using asynchronous request. I wrote ASP.NET handler like follows.

[Code]....

Next, i write C# client application as follows.

[Code]....

This works very fine, s == "Test1".Now i want to make nonblocking call as follows.

[Code]....

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HttpHandlers / Modules :: Pass Two Variables To A Handler.ashx??

Jul 27, 2010

I have a gridview and in it is code to display an image

[Code]....

This works fine for pass one variable. but I need to send two variables 'ImageNum' and 'refID' to the Handler.ashx page, any ideas how, tried a few things in last few hours and as yet no joy!

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HttpHandlers / Modules :: Adding A Messagebox To An ASHX Handler

Nov 18, 2010

Is it possible to add a messagebox to an ASHX Handler? I used a handler to pass data from a Web Service to an internal system and need a messagebox to pop up to ask the user to choose from one option or another.

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HttpHandlers / Modules :: Cannot Load Image By Using Http Handler?

Nov 30, 2010

I use http handler for loading images.

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HttpHandlers / Modules :: Securing A HTTP Handler That Returns Xml?

Apr 6, 2010

I have a HTTP handler that returns a GeoRSS feed (type of XML) when called. This handler is called from a javascript and the returning xml is consumed directly by a Virtual Earth (bing) map control on the same page. I am Encrypting/Decrypting URL parameters but any one can see the source html, copy the url and get access to the xml feed.Since the call is from javascript how can I prevent unauthorized access to the HTTP handler?

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HttpHandlers / Modules :: Reading Video From Byte Stream Using Handler?

Jan 1, 2011

i have a application which use to store video in sql databasei want to have a function which should have return type of video so that i can pass it to player in next page, for that i have retrived it as byte stream but dont know how to return it as video file.if i am going wrong then suggest me some other way.Note video are based on authentication so no way to switch to file system

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HttpHandlers / Modules :: Custom Handler Caching User File?

Oct 18, 2010

i have a custom handler which captures user's book mark entry. To debug this handler, i have created a file "test1.txt" in code behind which saves the user entry. After the debug, i removed the text file (test1.txt) then re-complied the web app and deployed new DLLs for the site. But, the site is still looking for test1.txt file. i dont know how to confirm if the handler is really removed from the new DLL. Also, looked at the handler code behind file and didn't find any entry with test1.txt. So,

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HttpHandlers / Modules :: Http-handler Not Recognizing Full Stop?

Mar 5, 2010

I am using this root .

[Code]....

It is working absolutely fine with this root folder('myroot'). When we change root foldername to "myroot.net" handler not responding.I have checked it by RouteDebugger and it shows thatRoute: NO MATCH!Matches Current Request: True

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HttpHandlers / Modules :: .aspx Sessions Being Called In .ashx Handler?

Aug 20, 2010

I have an Handler.ashx file and on .aspx page load it calles the .ashx file for image reading. I am attempting to pass a session from the .aspx file to the .ashx file in order to make my query of grabing the image secure. The problem is that everytime I call a session: HttpContext.Current.Session["ID"], the value is returning null or errors saying the o so commong "Object reference not set to an instance of the object". I have tried a couple ways of grabing the session:

1.) context.Session["ID"]
2.) HttpContext.Session["ID"]
3.) HttpContext.Current.Cache["ID"]

none of them are giving me the ID session set in the .aspx page. should i be using Server.Transfer instead? is there a way to grab a session variable set in a .aspx page and called in a .ashx page?

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HttpHandlers / Modules :: Resize An Image Pulled From The Database In A Handler?

Jan 13, 2010

I am using a handler to pull an image from the database and I need to resize the image while maintaining the aspect ratio.I have seen a few examples, but they were all pulling the image from the filesystem and not a database. This is the code I am using inside the handler to pull the image from the database:
[Code]....
Can someone point me in the right direction?

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HttpHandlers / Modules :: Create And Configure Custom Handler In IIS5.1?

Feb 23, 2011

As im new to this concept,i request anyone to explain in detail about configuring the custom handlers in IIS 5.1 STEP by STEP and also about mapping the extension.

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HttpHandlers / Modules :: If-Modified-Since Format Modification With A Handler Or Module?

Feb 6, 2010

The iPhone sends an HTTP GET request to my web application to recieve an update for an internet calendar. The iPhone does not conform to the RFC 822 Date Format for this request. It sends the If-Modified-Since as follows:

RFC 822 format - Sun, 06 Nov 1994 08:49:37 GMT
iPhone Format - Sun, 6 Nov 1994 08:49:37 GMT

I dont know much about handlers or modules. Is it possible to write a handler or module that could intercept this request and reformat the If-Modified-Since date format to the standard. Currently when IIS recieves this request it immediately sends back a 400 Error because of this invalid format.

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HttpHandlers / Modules :: Redirect Shareware Download URL From A File To A Download Page?

Oct 13, 2010

I'm about to submit my pad file to multiple sharware sites but the pad file has to have a direct link to the download file and can't link to a download page which is what I would like to do, so I can track the traffic and get the downloader's email before allowing the download. I am running an ASP.NET site in VB. Is there a way to tell the web app to redirect to a specific aspx page when it receives a request for a specific file?

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HttpHandlers / Modules :: Passing Session / Cookie Values To Ashx Handler?

May 30, 2010

i am trying to pass a value, from my .aspx form to a ashx request via a session or a cookie,

the cookie exists but in the ashx it returns a null, and same with the session value.

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HttpHandlers / Modules :: Using The 301 Redirect From Global.asax?

Jun 21, 2010

I am trying to use the 301 redirect for SEO purpose from global.asax .

Intending redirect [URL] to [URL]

Seems it is going through this process but redirecting to [URL]

I have set default.aspx and default page in IIS.

how I could resolve this.

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