I've tried almost everything, nothing worked to me.

I'm testing a site on xampp (apache 2.2.14, php 5.3.1 and mysql 5.1.41) and surprise!!! SilverStripe does not do searchs on DataObjects!!!!

I've managed to create a document manager, multiple files on same DataObject (pdf, images, etc), I got all these working, but can't make any search on summary Text field.

I need some clue on how to do it!! please!!

There are a number of ways to do it -- the Sphinx module, Lucene module. I prefer to just use Google search. You're not going to beat their search algorithms. You have to pay a nominal fee if you want to skin it, but it's worth it for the search power.

Here's an example of a site that's built out with all dataobjects, and you can see we use Google for the global search function.

http://www.yestermorrow.org

Hi Uncle Cheese
Nice work with the Custom Google Search
I am testing integration of a custom Google search and can do so with results be shown on the same page as the KW input search field
(by extending a page type)
What method are you using to have the search input form available on all pages and output to a separate search results page?

It's a trick. Look closely.. the search form goes to a custom page type, with the query in the URL, and that page has an inline script that just runs the google search asynchronously.

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Silverstripe tips, tutorials, screencasts, and more. http://www.leftandmain.com

An alternative to Google : a widget proposed by Exalead (http://www.exalead.com/search/widgets/search/generate/)
You can test it on one of my websites if you like : http://anafin.fr/
Just one drawback : you can't customize the results page. But it's free and it works very well !