PowerPivot for SharePoint–Generating thumbnails/preview issue

The “PowerPivot for SharePoint” generates thumbnails for the excel uploaded.  This preview is generated only while uploading the excel files thro’ IE8.  The preview thumbnails will be not generated if the excel is uploaded using IE9.  So, don’t panic if you don’t see the preview thumbnails not generated.

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Expanding Active Directory (AD) Distribution Group (DG) members recursively…

In one of my projects there was a requirement to get the unique list of members from a given DG, which may have multiple levels of nested DGs.  So, I thought of using the “System.DirectoryServices” namespace with “DirectoryEntry” & “DirectorySearcher” classes.  But the challenge was to recursively expand the nested DGs and eliminate the duplicates…

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SharePoint 2010–SPSite(requestUrl) throws FileNotFoundException

Recently, when I to write a SharePoint Server Object Model code snippet to fetch some list items, I came across this exception at “new SPSite(requestUrl)” method call.  I was just wondering what could be the possible reason and after few minutes of browsing I found out there are multiple reasons that could contribute to this…

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