Compress and Minify WebResource.axd and ScriptResource.axd in ASP.NET 4 WebForms

Question

I have been trying for a week now to reduce the number of requests on our web application but I can't seem to combine the .axd files. I got a suggestion from somewhere which worked locally (development box) but doesn't work on our test and production environment as they are both on HTTPS. The developer didn't comment on that and the component he wrote was last updated in 2011. (I will find the link and update this post).

I tried using the CompositeScript in ScriptManager and again it doesn't work on Test/Production environments.

I used SquishIt to resolve the other files. (see attachment)

enter image description here

Aristos · Accepted Answer · 2015-01-23 14:29:46Z

8

To force it work on your environment, set ScriptMode="Release" eg as:

<asp:ScriptManager ID="ScrMang" runat="server" ScriptMode="Release"  >
    <CompositeScript>
    <Scripts>
        <asp:ScriptReference name="MicrosoftAjax.js"/>
        <asp:ScriptReference name="MicrosoftAjaxWebForms.js"/>
        <asp:ScriptReference name="Common.Common.js" assembly="AjaxControlToolkit"/>
    </Scripts>
    </CompositeScript>
</asp:ScriptManager>

Some more notes

To find what scripts to add inside CompositeScript you can use the code from here : http://aspnet.codeplex.com/releases/view/13356 and get more help how to use it from this page : https://lancezhang.wordpress.com/2008/11/15/aspnet-ajax-performance/

edited Jan 23, 2015 at 14:29

answered Jan 23, 2015 at 14:22

Aristos

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11 Comments

RealSollyM Over a year ago

Although this didn't minify or compress the WebResource.axd, it at least minified the ScriptResource.axd. There were cases where I had more than one ScriptResource.axd and it combined them as well. Thanks @Aristos for your help.

Aristos Over a year ago

@SollyM Yes you are correct, is not minified. To minified I use this aspnet.codeplex.com/releases/view/40584 and I pass the code from it... but if you just gZip its also ok from the manner of download speed...

RealSollyM Over a year ago

I had to unmark it as an answer. This 'CompositeScript' prevents postbacks. I have been trying to resolve postbacks while it was intact but failed. once I remove it my forms post fine.

Aristos Over a year ago

@SollyM I use this kind of script years now with out any problem. I really do not know whats your issue is with the prevent post back that you say. Hope to find it.

Aristos Over a year ago

@SollyM Check what is the error message, also check what kind of script reference you need to add. Here I have add some for demonstration, you need to find all your script using the above links on the answer. Probably you forget to add some scripts.

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