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Visual Web Parts - programmatically change Web Part Title not working

Posted By:      Posted Date: October 28, 2010    Points: 0   Category :SharePoint


I have four custom made Web Parts (based on the Visual Web Part template) that show a filtered set of data from various lists. These work just fine on my front page (which is a Publishing enabled page/site). Each Web Part has some functionality for setting a date filter on the set of data. Now, on every load I generate a string which tells what the current filter is (default filter, custom set date filter +++) and set this string to the Web Part's Title. This text then shows up in the Web Part's header. All this works just fine on the front page.
However, I also have a few sub sites that are based on either the Blank Site or a Team Site and on these sites setting the Web Part's Title property doesn't work. Well, it works, but doesn't get rendered. If I do a "Edit page" or go to one of the Web Part's properties, all the Web Parts' headers get updated to the correct text. But, the next time I load the page, it's back to some old value. 

I dont' get it! Does anyone know what might be causing this?


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