Uploading Files and Folders Recursively to a SharePoint 2010

You can upload documents to SharePoint libraries using the Object Model or SharePoint Webservices and this article about how to upload a file and folders recursively from a local folder to a folder on a Microsoft SharePoint Foundation site using the Object Model.

Local Folder

SharePoint Library

Output

Limitations

• The size of the file that is uploaded cannot exceed 2 GB.
• For all this code to execute, current logged in user should have create and upload, delete permissions at respective document library.

You can dowload complete source:http://www.codeproject.com/KB/gadgets/UploadSharePointFiles.aspx

Source:http://virtualizesharepoint.com