SharePoint Ajax web part web.config problems

Question

Hi I am using AJAX Extensions 1.0 in my web part. It works great when I add it on SharePoint and everything runs fine. I also have links to other applications which are put onto SharePoint as IFRAME's. I run into a problem with the application inherting from my SharePoint web.config. I get this error in the IFRAME:

Parser Error Message: The entry 'ScriptModule' has already been added.

Line 98:     <!-- ASP.NET AJAX -->
Line 99:     <httpModules>
Line 100:     <add name="ScriptModule" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"/>
Line 101:    </httpModules>
Line 102:    <compilation debug="true">

I think this is because the SharePoint web.config also contains this line. I cannot remove it from there because I need it for my web part. I thought of adding <clear/> in my IFRAME applications to get around this but I have so many applications and I am not sure if there is more than once place I will need to do this. Is there a better solution? Thanks.

Answer 1

You have to modify global web.config. It can be done by WebConfigModification (don't remember full name of the class, it's been a while). There is feature Ajaxify MOSS available on CodePlex which I used and it works just fine. Take a look there. http://ajaxifymoss.codeplex.com/

Answer 2

Try this

<httpModules> <clear />
<add name="ScriptModule" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"/>
</httpModules>