(.NET Core C#) SharePoint -- Upload File

See more SharePoint Examples

Demonstrates how to upload a file to a SharePoint folder.

For more information, see https://learn.microsoft.com/en-us/sharepoint/dev/sp-add-ins/working-with-folders-and-files-with-rest

Chilkat .NET Downloads Chilkat .NET Assemblies Chilkat for .NET Core Chilkat for Mono

// This requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

// -------------------------------------------------------------------------
// The following comments apply to SharePoint Windows classic authentication.
// -------------------------------------------------------------------------
// For example, imagine our SharePoint endpoint is https://xyzoffice.mycompany.com/
// The SHAREPOINT_NTLM_DOMAIN would be "mycompany.com"
// The SHAREPOINT_HTTPS_DOMAIN would be "xyzoffice.mycompany.com"
// Also, the SHAREPOINT_USERNAME would be just the name, not a full email address.
// for example, "chilkat" instead of "chilkat@mycompany.com"

Chilkat.Http http = new Chilkat.Http();

// If SharePoint Windows classic authentication is used, then set the 
// Login, Password, LoginDomain, and NtlmAuth properties.
http.Login = "SHAREPOINT_USERNAME";
http.Password = "SHAREPOINT_PASSWORD";
http.LoginDomain = "SHAREPOINT_NTLM_DOMAIN";
http.NtlmAuth = true;

// -------------------------------------------------------------------------
// The more common case is to use SharePoint Online authentication (via the SPOIDCRL cookie).
// If so, do not set Login, Password, LoginDomain, and NtlmAuth, and instead
// establish the cookie as shown at SharePoint Online Authentication
// -------------------------------------------------------------------------

// When creating, updating, and deleting SharePoint entities, we'll need
// to first get the server's form digest value to send in the X-RequestDigest header.
// This can be retrieved by making a POST request with an empty body to
// http://<site url>/_api/contextinfo and extracting the value of the
// d:FormDigestValue node in the XML that the contextinfo endpoint returns.

// Apparently, SharePoint needs an "Accept" request header equal to "application/xml",
// otherwise SharePoint will return an utterly incomprehensible and useless error message.
string savedAccept = http.Accept;
http.Accept = "application/xml";

// If your Sharepoint site is within a site collection, then use "https://SHAREPOINT_HTTPS_DOMAIN/sites/teamA/_api/contextinfo" where "teamA" is the name of the site.
Chilkat.HttpResponse resp = http.PostXml("https://SHAREPOINT_HTTPS_DOMAIN/_api/contextinfo","","utf-8");
if (http.LastMethodSuccess != true) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

// Restore the default Accept header
http.Accept = savedAccept;

if (resp.StatusCode != 200) {
    // A response status code not equal to 200 indicates failure.
    Debug.WriteLine("Response status code = " + Convert.ToString(resp.StatusCode));
    Debug.WriteLine("Response body:");
    Debug.WriteLine(resp.BodyStr);

    return;
}

Chilkat.Xml xml = new Chilkat.Xml();
xml.LoadXml(resp.BodyStr);

Debug.WriteLine(xml.GetXml());

// The response XML looks like this:

// <?xml version="1.0" encoding="utf-8" ?>
// <d:GetContextWebInformation xmlns:d="http://schemas.microsoft.com/ado/2007/08/dataservices" xmlns:m="http://schemas.microsoft.com/ado/2007/08/dataservices/metadata" xmlns:georss="http://www.georss.org/georss" xmlns:gml="http://www.opengis.net/gml" m:type="SP.ContextWebInformation">
//     <d:FormDigestTimeoutSeconds m:type="Edm.Int32">1800</d:FormDigestTimeoutSeconds>
//     <d:FormDigestValue>0x3059FFB920651834540F3E6792EA73F5746B302E953FF4E808E485DB1E6C2836C7CF924644995F092453B02A94DE14A7962674B7B16780AF16EAFB8C246BCDC7,12 Apr 2017 17:08:22 -0000</d:FormDigestValue>
//     <d:LibraryVersion>15.0.4569.1000</d:LibraryVersion>
//     <d:SiteFullUrl>https://SHAREPOINT_HTTPS_DOMAIN</d:SiteFullUrl>
//     <d:SupportedSchemaVersions m:type="Collection(Edm.String)">
//         <d:element>14.0.0.0</d:element>
//         <d:element>15.0.0.0</d:element>
//     </d:SupportedSchemaVersions>
//     <d:WebFullUrl>https://SHAREPOINT_HTTPS_DOMAIN</d:WebFullUrl>
// </d:GetContextWebInformation>
// 

// We'll use the d:FormDigestValue in the X-RequestDigest request header
// for the actual file upload.

// --------------------------------------------------------------------
// Now upload a file named "penguins2.jpg" to the "/Documents" folder.

Chilkat.HttpRequest req = new Chilkat.HttpRequest();
req.HttpVerb = "POST";
// Change "/Documents" to whatever folder is the destination.
// If your Sharepoint site is within a site collection, then use "/sites/teamA/_api/web/GetFolderByServerRelativeUrl('/sites/teamA/Documents')/Files/add(url='penguins2.jpg',overwrite=true)" where "teamA" is the name of the site.
req.Path = "/_api/web/GetFolderByServerRelativeUrl('/Documents')/Files/add(url='penguins2.jpg',overwrite=true)";
// Give the location of the file to be uploaded.  
// Note: The file is not loaded into memory at this point.  It is never fully loaded
// into memory.  Instead, the file data is streamed directly from the file when
// when the upload occurs.
req.StreamBodyFromFile("qa_data/jpg/penguins2.jpg");

// Add the X-RequestDigest header field.
req.AddHeader("X-RequestDigest",xml.GetChildContent("d:FormDigestValue"));

// Set the Accept header
req.AddHeader("Accept","application/xml");

// Do the upload using https (TLS). Port 443 is the default port for https.
bool bUseTls = true;
resp = http.SynchronousRequest("SHAREPOINT_HTTPS_DOMAIN",443,bUseTls,req);
if (http.LastMethodSuccess != true) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

// The response body contains XML.  Load it into our xml object..
xml.LoadXml(resp.BodyStr);

if (resp.StatusCode != 200) {
    Debug.WriteLine("Response status code = " + Convert.ToString(resp.StatusCode));
    Debug.WriteLine(xml.GetXml());
    Debug.WriteLine("Failed");

    return;
}

// Show the successful XML response.
Debug.WriteLine(xml.GetXml());
Debug.WriteLine("Success.");

// A successful XML response looks like this:

// <?xml version="1.0" encoding="utf-8" ?>
// <entry xml:base="https://SHAREPOINT_HTTPS_DOMAIN/_api/" xmlns="http://www.w3.org/2005/Atom" xmlns:d="http://schemas.microsoft.com/ado/2007/08/dataservices" xmlns:m="http://schemas.microsoft.com/ado/2007/08/dataservices/metadata" xmlns:georss="http://www.georss.org/georss" xmlns:gml="http://www.opengis.net/gml">
//     <id>Web/GetFileByServerRelativeUrl('/Documents/penguins2.jpg')</id>
//     <category term="SP.File" scheme="http://schemas.microsoft.com/ado/2007/08/dataservices/scheme" />
//     <link rel="edit" href="Web/GetFileByServerRelativeUrl(&apos;/Documents/penguins2.jpg&apos;)" />
//     <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/Author" type="application/atom+xml;type=entry" title="Author" href="Web/GetFileByServerRelativeUrl(&apos;/Documents/penguins2.jpg&apos;)/Author" />
//     <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/CheckedOutByUser" type="application/atom+xml;type=entry" title="CheckedOutByUser" href="Web/GetFileByServerRelativeUrl(&apos;/Documents/penguins2.jpg&apos;)/CheckedOutByUser" />
//     <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/ListItemAllFields" type="application/atom+xml;type=entry" title="ListItemAllFields" href="Web/GetFileByServerRelativeUrl(&apos;/Documents/penguins2.jpg&apos;)/ListItemAllFields" />
//     <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/LockedByUser" type="application/atom+xml;type=entry" title="LockedByUser" href="Web/GetFileByServerRelativeUrl(&apos;/Documents/penguins2.jpg&apos;)/LockedByUser" />
//     <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/ModifiedBy" type="application/atom+xml;type=entry" title="ModifiedBy" href="Web/GetFileByServerRelativeUrl(&apos;/Documents/penguins2.jpg&apos;)/ModifiedBy" />
//     <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/Versions" type="application/atom+xml;type=feed" title="Versions" href="Web/GetFileByServerRelativeUrl(&apos;/Documents/penguins2.jpg&apos;)/Versions" />
//     <title />
//     <updated>2017-04-12T17:16:44Z</updated>
//     <author>
//         <name />
//     </author>
//     <content type="application/xml">
//         <m:properties>
//             <d:CheckInComment />
//             <d:CheckOutType m:type="Edm.Int32">0</d:CheckOutType>
//             <d:ContentTag>{FC8D1A58-9544-496C-8D9C-19B501A8B322},2,3</d:ContentTag>
//             <d:CustomizedPageStatus m:type="Edm.Int32">0</d:CustomizedPageStatus>
//             <d:ETag>"{FC8D1A58-9544-496C-8D9C-19B501A8B322},2"</d:ETag>
//             <d:Exists m:type="Edm.Boolean">true</d:Exists>
//             <d:Length m:type="Edm.Int64">99832</d:Length>
//             <d:Level m:type="Edm.Byte">255</d:Level>
//             <d:MajorVersion m:type="Edm.Int32">0</d:MajorVersion>
//             <d:MinorVersion m:type="Edm.Int32">1</d:MinorVersion>
//             <d:Name>penguins2.jpg</d:Name>
//             <d:ServerRelativeUrl>/Documents/penguins2.jpg</d:ServerRelativeUrl>
//             <d:TimeCreated m:type="Edm.DateTime">2017-04-12T17:14:19Z</d:TimeCreated>
//             <d:TimeLastModified m:type="Edm.DateTime">2017-04-12T17:16:44Z</d:TimeLastModified>
//             <d:Title m:null="true" />
//             <d:UIVersion m:type="Edm.Int32">1</d:UIVersion>
//             <d:UIVersionLabel>0.1</d:UIVersionLabel>
//         </m:properties>
//     </content>
// </entry>
// 
//