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HomeHomeDevelopment and...Development and...DNN Platform (o...DNN Platform (o...How do I call custom HTTP handler from JavaScript?How do I call custom HTTP handler from JavaScript?
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3/20/2009 12:56 PM
 
Nerve

Joined: 10/28/2008
Posts: 1

Hello,

I have the following problem: I would like to make an async request in JavaScript to custom HTTP handler (created by myself, let's say, handler.ashx).

But I cannot execute it all times as DesktopModules/MyModule/handler.ashx.

First time after I open my portal, it works ok (when browser's URL is like http://localhost:53418/WebSite/). But after I make some actions there (f.i. press Home), my URL becomes like http://localhost:53418/WebSite/Home/tabid/37/Default.aspx, and my handler is not executed (a DNN page is returned).

If I specify path to my handler as http://localhost:53418/WebSite/DesktopModules/MyModule/Handler.ashx, it works OK in both cases.

But it is not good to specify full path including domain name.

How can I overcome this (i.e. specify relative path only)? Thanks in advance.

 
 
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3/20/2009 2:40 PM
 
Oliver Hine


Oliver Hine's Avatar

Oliver Hine's Avatar

Oliver Hine's Avatar

www.nbrane.com
Joined: 7/2/2003
Posts: 559

Nerve wrote

But I cannot execute it all times as DesktopModules/MyModule/handler.ashx.

First time after I open my portal, it works ok (when browser's URL is like http://localhost:53418/WebSite/). But after I make some actions there (f.i. press Home), my URL becomes like http://localhost:53418/WebSite/Home/tabid/37/Default.aspx, and my handler is not executed (a DNN page is returned).

Try referencing the script with an absolute path (not the relative syntax you're currently using). The reason you need to use an absolute path is because of the FriendlyURL provider in DotNetNuke. Basically just reference your javascript like this, and everything should just work.

/Website/DesktopModules/MyModule/handler.ashx

If you really want to use a relative path, you'll most likely have to run the register javascript file dynamically at runtime. I've used something like this in my DNN5 travel, it should get you going as well. 

Page.ClientScript.RegisterStartupScript(Me.GetType(), "name_of_script_to_prevent_duplicates_getting_registered", Me.ControlPath() & "handler.ashx", True)

Hope this Helps

 
 
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