Update an existing file in a sharepoint 2013 document library

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SharePoint2013

Hello ,

I'd like to upload a file dto document library but if there is a file
already exists with the same name I'd like to update the existing one
with the one i am trying to upload to a Sharepoint 2013 document library .

Is there anyone can tell me how to do it :(

Posted 20-May-14 2:26am

Ayshine

Updated 18-Oct-20 14:59pm

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2 solutions

Solution 3

Thanks for sharing!
What program/language did you use?

Posted 18-Oct-20 14:59pm

Member 14968761

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CHill60 19-Oct-20 4:42am

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Ayshine · Accepted Answer · 2014-05-21T01:57:00

Anyway I solved my own problem,
In case of someone else looks for same thing Here is my solution .

private static void uploadDocument(string DocumentLibraryString, Uri SiteUrl, string DocumenttoUploadUrl)
{
using (SPSite Site = new SPSite(SiteUrl.ToString()))
{
using (SPWeb Web = Site.OpenWeb())
{
if (!System.IO.File.Exists(DocumenttoUploadUrl))
throw new FileNotFoundException("File not found.", DocumenttoUploadUrl);

SPFolder myLibrary = Web.GetList(DocumentLibraryString).RootFolder;

// Prepare to upload
Boolean replaceExistingFiles = true;
String fileName = System.IO.Path.GetFileName(DocumenttoUploadUrl);
FileStream fileStream = File.OpenRead(DocumenttoUploadUrl);

// Upload document
SPFile spFile = myLibrary.Files.Add(fileName, fileStream, replaceExistingFiles);

myLibrary.Update();
if (myLibrary.RequiresCheckout)
{
spFile.CheckIn("Automatically created file checked in", SPCheckinType.MajorCheckIn);
spFile.Publish("Automatically created file published");
}

}
}

}