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Deploying and Using jQuery with a SharePoint 2010 Sandboxed Solution
If you’re an avid reader of this blog, you probably now that I’m quite a big fan of the jQuery Javascript library, especially in combination with SharePoint sites. For a while I’ve been trying to find a mechanism to deploy jQuery and add a reference to it on all SharePoint pages of a site, by just using a Sandboxed Solution. The first part, deploying the jQuery file, is really easy; this can be done in a Module in a SharePoint project. The second part was more of a challenge; making sure the jQuery file got referenced in all pages of a SharePoint site. My initial thought was to do this by using the AdditionalPageHead Delegate control, but it’s not possible in a Sandboxed Solution (you need to deploy the .ASCX to the SharePoint root). My second thought was to use the new ScriptSrc attribute you can use in a CustomAction (I wrote about this attribute some time ago). But initially I was under the impression that the ScriptSrc attribute could only target Javascript files loaded from the SharePoint Root (the \LAYOUTS) folder, resulting in a no-go for a Sandboxed Solution as well. Daniel McPherson stumbled upon this issue as well, but neatly solved it using Javascript to add the reference dynamically.