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Can we upload document to Sharepoint using a C# code without using Microsoft.Sharepoint DLL?
Sunasara Imdadhusen 4-Jun-13 6:14am
Why u don't want to use Sharepoint dll?
suhanaarora 4-Jun-13 7:29am
Because I heard dll works only if Sharepoint is installed and I do not want this dependency
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Solution 1

You can upload documents to SharePoint libraries using the Object Model or SharePoint Webservices.

Upload using Object Model:

String fileToUpload = @"C:\YourFile.txt";
String sharePointSite = "";
String documentLibraryName = "Shared Documents";

using (SPSite oSite = new SPSite(sharePointSite))
    using (SPWeb oWeb = oSite.OpenWeb())
        if (!System.IO.File.Exists(fileToUpload))
            throw new FileNotFoundException("File not found.", fileToUpload);                    

        SPFolder myLibrary = oWeb.Folders[documentLibraryName];

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

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

        // Commit 
Member 10397912 13-Jan-14 4:36am
I want to upload a file into an document library having flag value. When we do upload a file flag value should be "Zero" and when we click save flag value should be updated as "one"
Ankur.15 26-Sep-16 2:20am
I tried this code and also added Microsoft.Sharepoint Namespace.
But still it is showing red line error in SPSite and SPWeb.
Can you please help me out how to solve it?
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Solution 2

// First locate your sharepoint site and hit service in browser.
// It is like "http://fullsitename/_vti_bin/lists.asmx"
// If you do not get 404 then it accessible and seems working for current user.
// Add its reference to project.

// SharePoint 2010 provides web service list.asmx which can be used.
// It can be used with Jquery Ajax calls as well.
// In below example i updated listitem by attaching attachment to it.
// Care fully add web reference in project or you will not get ServiceWebReference.Lists class.
// ServiceWebReference can have different name, as you prefer.
// This is working POC...... Hope this help :)

private void button1_Click(object sender, EventArgs e)
string srcUrl = @"C:\Users\prasads\Downloads\birthdaypic.gif";

if (!File.Exists(srcUrl))
throw new ArgumentException(String.Format("{0} does not exist",
srcUrl), "srcUrl");

FileStream fStream = File.OpenRead(srcUrl);
string fileName = fStream.Name.Substring(3);
byte[] contents = new byte[fStream.Length];
fStream.Read(contents, 0, (int)fStream.Length);

ServiceWebReference.Lists listService = new ServiceWebReference.Lists();
listService.Credentials = System.Net.CredentialCache.DefaultCredentials;

string addAttach = listService.AddAttachment("mylistname", "1", fileName, contents);


catch (System.Web.Services.Protocols.SoapException ex)
// catch error

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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