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Uploading Files and Folders Recursively to a SharePoint Site

, 10 Aug 2010 CC (ASA 2.5)
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This article demonstrates how to upload files and folders recursively from a local folder to Microsoft SharePoint Foundation site using the Object Model.

Introduction

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.

Sharepoint.png

Background

I was assigned a project to Migrate DOORS (Dynamic Object-Oriented Requirements System) data into the TFS 2010 SharePoint portal server. The DXL script is take care of the extraction part and stored the files into the local folders. Then I Googled around to find a way to upload files recursively to SharePoint server, but no use. So I decided to do some research on it and came up with this code.

Microsoft.SharePoint

The Microsoft.SharePoint.dll is used to access the Sharepoint object model.

Code for Uploading File to Document Library

try
{
	localPath = txtLocalPath.Text; 		//Local path.
	sharePointSite = txtServerURL.Text; 		//SharePoint site URL.
	documentLibraryName = txtLibrary.Text; 	// SharePoint library name.

	// Make an object of your SharePoint site.
	using (SPSite oSite = new SPSite(sharePointSite))
	{
		oWeb = oSite.OpenWeb();
		CreateDirectories(localPath, 
			oWeb.Folders[documentLibraryName].SubFolders);
	}
}
catch (Exception ex)
{
	MessageBox.Show("Error:" + ex.Message );
}

CreateDirectories(string path, SPFolderCollection oFolderCollection)

The CreateDirectories method is a recursive method which accepts two parameters. The path parameter specifies the path of the source location in the file system of the local computer, and the oFolderCollection parameter specifies the folder collection of the destination.

private void CreateDirectories(string path, SPFolderCollection oFolderCollection)
{
	//Upload Multiple Files
	foreach (FileInfo oFI in new DirectoryInfo(path).GetFiles())
	{
		FileStream fileStream = File.OpenRead(oFI.FullName);
		SPFile spfile = oFolderCollection.Folder.Files.Add
					(oFI.Name, fileStream, true);
		spfile.Update();
	}
	
	//Upload Multiple Folders
	foreach (DirectoryInfo oDI in new DirectoryInfo(path).GetDirectories())
	{
		string sFolderName = oDI.FullName.Split('\\')
					[oDI.FullName.Split('\\').Length - 1];
		SPFolder spNewFolder = oFolderCollection.Add(sFolderName);
		spNewFolder.Update();
		//Recursive call to create child folder
		CreateDirectories(oDI.FullName, spNewFolder.SubFolders);
	}
}

Local Folder

Sharepoint-Local.png

SharePoint Library

Sharepoint-Web.png

Output

Sharepoint3.png

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.

History

  • 10th August, 2010: Initial post

License

This article, along with any associated source code and files, is licensed under The Creative Commons Attribution-ShareAlike 2.5 License

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About the Author

BalaG Ganesan
Technical Lead Infosys
India India
Working as a Technology Lead in Infosys at Chennai, India.

Comments and Discussions

 
QuestionSolution Created as a webpart PinmemberJhonny Marcelo24-Jun-14 12:59 
QuestionI have a custom list Manage Requisition Groups and Two folder content type Requisition Parent Group and Requisition Sub-Group.Each Folder conent type contains site columns Name, Parent Group and Group users.I want to populate list item in a treeview. PinmemberDeempy16-Jul-12 6:05 
QuestionError: Value does not fall within the expected range. PinmemberRittikaKumar7-May-12 10:05 
QuestionDXL script to save Word document Pinmemberszczy75-Jan-11 6:48 
GeneralThere's an easier way PinmemberNetDave11-Aug-10 9:20 
GeneralRe: There's an easier way Pinmemberkaufmed8-Sep-10 11:52 
GeneralRe: There's an easier way [modified] PinmemberSevententh13-Dec-11 23:25 
GeneralYou should probably remove your TFS bindings before uploading the code Pinmemberkaschimer10-Aug-10 6:10 
GeneralRe: You should probably remove your TFS bindings before uploading the code PinmemberBalaG Ganesan10-Aug-10 8:28 
GeneralRe: You should probably remove your TFS bindings before uploading the code PinmemberL Hills17-Aug-10 3:58 

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