file upload to one drive

Question

how to upload file to one drive using asp.net webforms

Kunjahamed P · Answer

Maybe this can help you out: Using the code: public string OneDriveApiRoot { get ; set ; } = "https://api.onedrive.com/v1.0/" ; Upload file to OneDrive //this is main method of upload file to OneDrive public async Task string > UploadFileAsync( string filePath, string oneDrivePath) { //get the upload session,we can use this session to upload file resume from break point string uploadUri = await GetUploadSession(oneDrivePath); //when file upload is not finish, the result is upload progress, //When file upload is finish, the result is the file information. string result = string .Empty; using (FileStream stream = File.OpenRead(filePath)) { long position = 0; long totalLength = stream.Length; int length = 10 * 1024 * 1024; //In one time, we just upload a part of file //When all file part is uploaded, break out in this loop while ( true ) { //Read a file part byte [] bytes = await ReadFileFragmentAsync(stream, position, length); //check if arrive file end, when yes, break out with this loop if (position >= totalLength) { break ; } //Upload the file part result = await UploadFileFragmentAsync(bytes, uploadUri, position, totalLength); position += bytes.Length; } } return result; } private async Task string > GetUploadSession( string oneDriveFilePath) { var uploadSession = await AuthRequestToStringAsync( uri: $ "{OneDriveApiRoot}drive/root:/{oneDriveFilePath}:/upload.createSession" , httpMethod: HTTPMethod.Post, contentType: "application/x-www-form-urlencoded" ); JObject jo = JObject.Parse(uploadSession); return jo.SelectToken( "uploadUrl" ).Value string >(); } private async Task string > UploadFileFragmentAsync( byte [] datas, string uploadUri, long position, long totalLength) { var request = await InitAuthRequest(uploadUri, HTTPMethod.Put, datas, null ); request.Request.Headers.Add( "Content-Range" , $ "bytes {position}-{position + datas.Length - 1}/{totalLength}" ); return await request.GetResponseStringAsync(); } Get Share Link: ( Javascript ) //This method use to get ShareLink, you can use the link in web or client terminal public async Task string > GetShareLinkAsync( string fileID, OneDriveShareLinkType type, OneDrevShareScopeType scope) { string param = "{type:'" + type + "',scope:'" + scope + "'}" ; string result = await AuthRequestToStringAsync( uri: $ "{OneDriveApiRoot}drive/items/{fileID}/action.createLink" , httpMethod: HTTPMethod.Post, data: Encoding.UTF8.GetBytes(param), contentType: "application/json" ); return JObject.Parse(result).SelectToken( "link.webUrl" ).Value string >(); }

Deepthi Vr · Answer

Sir, I have Client ID, Client Secret, Application ID and Folder Details for a onedrive 365. Please help in uploading and downloading file to and from this Folder usind asp.net c#

file upload to one drive

Answers (2)