Error while uploading file method in Client Object Model + Sharepoint 2010. Once the file got uploaded. After that though the code compiles with no error
I get the error while executing
"{"Value does not fall within the expected range."}
{System.Collections.Generic.SynchronizedReadOnlyCollection}
I have a method which takes care of functionality to upload files
///////////////////////////////////////////////////////////////////////////////////////////
public void Upload_Click(string documentPath, byte[] documentStream)
{
String sharePointSite = "http://cvgwinbasd003:28838/sites/test04";
String documentLibraryUrl = sharePointSite +"/"+ documentPath.Replace('\\','/');
////////////////////////////////////////////////////////////////////
//Get Document List
List documentsList = clientContext.Web.Lists.GetByTitle("Doc1");
var fileCreationInformation = new FileCreationInformation();
//Assign to content byte[] i.e. documentStream
fileCreationInformation.Content = documentStream;
//Allow owerwrite of document
fileCreationInformation.Overwrite = true;
//Upload URL
fileCreationInformation.Url = documentLibraryUrl;
Microsoft.SharePoint.Client.File uploadFile = documentsList.RootFolder.Files.Add(
fileCreationInformation);
//uploadFile.ListItemAllFields.Update();
clientContext.ExecuteQuery();
}
/////////////////////////////////////////////////////////////////////////////////////////////////
In the MVC 3.0 application in the controller I have defined the following method to invoke the upload method.
//////////////////////////////////////////////////////////////////////////////////////////////////
public ActionResult ProcessSubmit(IEnumerable<HttpPostedFileBase> attachments)
{
System.IO.Stream uploadFileStream=null;
byte[] uploadFileBytes;
int fileLength=0;
foreach (HttpPostedFileBase fileUpload in attachments)
{
uploadFileStream = fileUpload.InputStream;
fileLength=fileUpload.ContentLength;
}
uploadFileBytes= new byte[fileLength];
uploadFileStream.Read(uploadFileBytes, 0, fileLength);
using (DocManagementService.DocMgmtClient doc = new DocMgmtClient())
{
doc.Upload_Click("Doc1/Doc2/Doc2.1/", uploadFileBytes);
}
return RedirectToAction("SyncUploadResult");
}
//////////////////////////////////////////////////////////////////////////////////////////////////
Please help me to locate the error
I think your documentLibraryUrl needs to be relative. This is working for me with Sharepoint 2013
[HttpPost]
[ValidateAntiForgeryToken]
[SharePointContextFilter]
public ActionResult Upload()
{
if (Request.Files.Count > 0)
{
HttpPostedFileBase file = Request.Files[0];
if (file != null && file.ContentLength > 0)
{
var fileName = Path.GetFileName(file.FileName);
var spContext = SharePointContextProvider.Current.GetSharePointContext(HttpContext);
using (var clientContext = spContext.CreateUserClientContextForSPHost())
{
if (clientContext != null)
{
FileCreationInformation newFile = new FileCreationInformation();
using (MemoryStream ms = new MemoryStream())
{
file.InputStream.CopyTo(ms);
byte[] array = ms.GetBuffer();
newFile.Content = array;
}
List docs = clientContext.Web.Lists.GetByTitle("Documents");
Folder folder = docs.RootFolder;
clientContext.Load(folder);
clientContext.ExecuteQuery();
newFile.Url = docs.RootFolder.ServerRelativeUrl + "/" + fileName;
Microsoft.SharePoint.Client.File uploadFile = docs.RootFolder.Files.Add(newFile);
clientContext.Load(uploadFile);
clientContext.ExecuteQuery();
//Set the metadata
Microsoft.SharePoint.Client.ListItem item = uploadFile.ListItemAllFields;
string docTitle = string.Empty;
item["Title"] = docTitle;
item.Update();
clientContext.ExecuteQuery();
}
}
}
}
return RedirectToAction("Index", new { SPHostUrl = SharePointContext.GetSPHostUrl(HttpContext.Request).AbsoluteUri });
}
Related
I have tried the following code ..
When I try out the following code I get 404 content not found. Also my controller doesn't get hit when I try to debug the code ..
public async Task<IActionResult> Download(string filename)
{
if (filename == null)
return Content("filename not present");
var path = Path.Combine(Directory.GetCurrentDirectory(),"wwwroot", filename);
var memory = new MemoryStream();
using (var stream = new FileStream(path, FileMode.Open))
{
await stream.CopyToAsync(memory);
}
memory.Position = 0;
return File(memory, GetContentType(path), Path.GetFileName(path));
}
Upload file with size and filename as response:
public async Task<IActionResult> OnPostUploadAsync(IFormFile file)
{
long size = file.Length;//in bytes
if (file.Length > 0)
{
var name = Path.GetRandomFileName();
//var fileOriginName = file.FileName;
var path = Path.Combine(System.IO.Directory.GetCurrentDirectory(), "wwwroot", name);
using (var stream = System.IO.File.Create(path))
{
await file.CopyToAsync(stream);
}
return Ok(new { size = size, filename = name });
}
else {
return Ok(new { size = 0, filename = ""});
}
}
===============================================
I have an api like below and I had a file test.txt in wwwroot folder.
public async Task<IActionResult> Download(string filename)
{
if (filename == null)
return Content("filename not present");
var path = Path.Combine(System.IO.Directory.GetCurrentDirectory(), "wwwroot", filename);
var memory = new MemoryStream();
using (var stream = new FileStream(path, FileMode.Open))
{
await stream.CopyToAsync(memory);
}
memory.Position = 0;
var contentType = "APPLICATION/octet-stream";
return File(memory, contentType, Path.GetFileName(path));
}
Then when I call localhost:port/home/download?filename=test then I'll get exception that file can't find. And when I call localhost:port/home/Download?filename=test.txt it succeeds.
My API is in an asp.net core MVC project and I think you need to check the contentType.
I have following code segment it works for small file. But if the file is larger then application is loading for long and recieves No 'Access-Control-Allow-Origin' header is present on the requested resource.
[HttpPost]
[ScopeAuthorize(Constants.ClaimScopeSGCanManageAll, Constants.ClaimScopeUserCanManage)]
[DisableRequestSizeLimit, RequestFormLimits(MultipartBodyLengthLimit = int.MaxValue, ValueLengthLimit = int.MaxValue)]
public async Task<IActionResult> UploadFile()
{
if (!Request.Form.Files.Any())
{
throw new Common.Exceptions.ValidationException("Empty file");
}
IFormFile formFile = Request.Form.Files[0];
var csvDatas = new List<PatientsCSVItem>();
using (var reader = new StreamReader(formFile.OpenReadStream()))
{
while (!reader.EndOfStream)
{
var line = reader.ReadLine();
var values = line.Split(';');
//process csv rows
}
}
PatientCsvLog executionLog = _patientCsvManager.AddOrUpdatePatientsByCsvData(csvDatas, _userManager.GetLoggedUserId(User));
if (executionLog == null)
{
throw new ArgumentNullException(nameof(executionLog));
}
var response = new
{
NumberRecordImported = executionLog.NumberRecordImported,
NumberRecordUpdated = executionLog.NumberRecordUpdated,
NumberRecordDiscarded = executionLog.NumberRecordDiscarded,
DiscardedRecordList = executionLog.DiscardedRecordList
};
return Ok(response);
}
I went ahead and implemented an ASP .Net Core file upload controller per the documentation and it requires using a [DisableFormValueModelBinding] attribute for streaming large files. I got that working fine. Unfortunately, when using that attribute it seems to block my JSON properties coming in from the form.
Is there any way to get both the file and the form data here? Here is my controller code (the request.form calls are where I am having issues):
[Route("{caseNbr:int}/Document")]
[ResponseType(typeof(CaseDocumentModel))]
[DisableFormValueModelBinding]
[HttpPost]
public async Task<IActionResult> PostDocument(int caseNbr)
{
string errorTrackingFileName = string.Empty;
try
{
UserSessionModel userSessionModel = SessionExtensions.CurrentUserSession;
if (!MultipartRequestHelper.IsMultipartContentType(Request.ContentType))
{
return BadRequest("Bad Request");
}
var boundary = MultipartRequestHelper.GetBoundary(MediaTypeHeaderValue.Parse(Request.ContentType), _defaultFormOptions.MultipartBoundaryLengthLimit);
var reader = new MultipartReader(boundary, HttpContext.Request.Body);
var section = await reader.ReadNextSectionAsync();
while (section != null)
{
var hasContentDispositionHeader = ContentDispositionHeaderValue.TryParse(section.ContentDisposition, out var contentDisposition);
if (hasContentDispositionHeader)
{
if (!MultipartRequestHelper.HasFileContentDisposition(contentDisposition))
{
return BadRequest("Bad Request");
}
var fileName = WebUtility.HtmlEncode(contentDisposition.FileName.Value);
errorTrackingFileName = fileName;
var trustedFileNameForFileStorage = fileName; //Path.GetRandomFileName();
var streamedFileContent = await FileHelpers.ProcessStreamedFile(section, contentDisposition, ModelState, _permittedExtensions, _fileSizeLimit);
if (!ModelState.IsValid)
{
return BadRequest("Bad Request");
}
using (var targetStream = System.IO.File.Create(Path.Combine(_tempFilePath, trustedFileNameForFileStorage)))
{
await targetStream.WriteAsync(streamedFileContent);
**//This is where I am having trouble:**
string descrip = HttpContext.Request.Form["Description"].ToString();
string docType = HttpContext.Request.Form["DocType"].ToString() ?? "Document";
bool isGeneralFileUpload = false;
if (string.IsNullOrWhiteSpace(Request.Form["GeneralFileUpload"]) == false && AppHelper.IsBool(Request.Form["GeneralFileUpload"]))
isGeneralFileUpload = bool.Parse(Request.Form["GeneralFileUpload"]);
int transcriptionJobId = 0;
if (string.IsNullOrWhiteSpace(Request.Form["TranscriptionJobId"]) == false && AppHelper.IsNumeric(Request.Form["TranscriptionJobId"]))
transcriptionJobId = int.Parse(Request.Form["TranscriptionJobId"]);
CaseDocumentModel createdCaseDocumentModel;
if (docType.Equals("Dictation"))
createdCaseDocumentModel = DictationRepository.ProcessDictationFile(userSessionModel.DBID, caseNbr, _tempFilePath, fileName, userSessionModel);
else if (isGeneralFileUpload)
createdCaseDocumentModel = DashboardAdjusterRepository.CreateGeneralFileUploadDocument(_tempFilePath, fileName, userSessionModel, docType, descrip);
else if (docType.Equals("Transcription"))
createdCaseDocumentModel = TranscriptionRepository.UploadTranscriptionFile(userSessionModel.DBID, _tempFilePath, fileName, userSessionModel, transcriptionJobId);
else
createdCaseDocumentModel = CaseRepository.CreateCaseDocumentRecord(userSessionModel.DBID, caseNbr, descrip, docType, _tempFilePath, fileName, userSessionModel);
return Ok(createdCaseDocumentModel);
}
}
// Drain any remaining section body that hasn't been consumed and
// read the headers for the next section.
section = await reader.ReadNextSectionAsync();
}
}
catch (Exception ex)
{
AppHelper.WriteErrorLog("CaseController PostDocument failed due to " + ex.Message + " case number was " + caseNbr + " file name was " + errorTrackingFileName);
return BadRequest("Bad Request");
}
return BadRequest("Bad Request");
}
Here is a sample call with Postman:
Screen shot of Postman
I am designing an educational site. When the user downloads a training course, I want this download (training course) to be done in the form of compression (zipper), please give a solution
My code:
public Tuple<byte[],string,string> DownloadFile(long episodeId)
{
var episode=_context.CourseEpisodes.Find(episodeId);
string filepath = Path.Combine(Directory.GetCurrentDirectory(),
"wwwroot/courseFiles",
episode.FileName);
string fileName = episode.FileName;
if(episode.IsFree)
{
byte[] file = System.IO.File.ReadAllBytes(filepath);
return Tuple.Create(file, "application/force-download",fileName);
}
if(_httpContextAccessor.HttpContext.User.Identity.IsAuthenticated)
{
if(IsuserIncorse(_httpContextAccessor.HttpContext.User.Identity.Name,
episode.CourseId))
{
byte[] file = System.IO.File.ReadAllBytes(filepath);
return Tuple.Create(file, "application/force-download", fileName);
}
}
return null;
}
I write a demo to show how to download zip file from .net core:
First , Add NuGet package SharpZipLib , create an Image Folder in wwwroot and put some picture in it.
controller
public class HomeController : Controller
{
private IHostingEnvironment _IHosting;
public HomeController(IHostingEnvironment IHosting)
{
_IHosting = IHosting;
}
public IActionResult Index()
{
return View();
}
public FileResult DownLoadZip()
{
var webRoot = _IHosting.WebRootPath;
var fileName = "MyZip.zip";
var tempOutput = webRoot + "/Images/" + fileName;
using (ZipOutputStream IzipOutputStream = new ZipOutputStream(System.IO.File.Create(tempOutput)))
{
IzipOutputStream.SetLevel(9);
byte[] buffer = new byte[4096];
var imageList = new List<string>();
imageList.Add(webRoot + "/Images/1202.png");
imageList.Add(webRoot + "/Images/1data.png");
imageList.Add(webRoot + "/Images/aaa.png");
for (int i = 0; i < imageList.Count; i++)
{
ZipEntry entry = new ZipEntry(Path.GetFileName(imageList[i]));
entry.DateTime= DateTime.Now;
entry.IsUnicodeText = true;
IzipOutputStream.PutNextEntry(entry);
using (FileStream oFileStream = System.IO.File.OpenRead(imageList[i]))
{
int sourceBytes;
do
{
sourceBytes = oFileStream.Read(buffer, 0, buffer.Length);
IzipOutputStream.Write(buffer, 0, sourceBytes);
}while (sourceBytes > 0);
}
}
IzipOutputStream.Finish();
IzipOutputStream.Flush();
IzipOutputStream.Close();
}
byte[] finalResult = System.IO.File.ReadAllBytes(tempOutput);
if (System.IO.File.Exists(tempOutput)) {
System.IO.File.Delete(tempOutput);
}
if (finalResult == null || !finalResult.Any()) {
throw new Exception(String.Format("Nothing found"));
}
return File(finalResult, "application/zip", fileName);
}
}
when I click the downloadZip ,it will download a .zip file
The simple example that follows illustrates the use of the static ZipFile.CreateFromDirectory method which, despite the fact that it is in the System.IO.Compression namespace , actually resides in the System.IO.Compression.FileSystem assembly, so you need to add a reference to that in your controller.
[HttpPost]
public FileResult Download()
{
List<string> files = new List<string> { "filepath1", "filepath2" };
var archive = Server.MapPath("~/archive.zip");
var temp = Server.MapPath("~/temp");
// clear any existing archive
if (System.IO.File.Exists(archive))
{
System.IO.File.Delete(archive);
}
// empty the temp folder
Directory.EnumerateFiles(temp).ToList().ForEach(f => System.IO.File.Delete(f));
// copy the selected files to the temp folder
files.ForEach(f => System.IO.File.Copy(f, Path.Combine(temp, Path.GetFileName(f))));
// create a new archive
ZipFile.CreateFromDirectory(temp, archive);
return File(archive, "application/zip", "archive.zip");
}
Answer from Source - MikesDotNetting
How I will upload a file in the database without using ViewModel in asp .net core? Is it possible or not? ***
Advance thanks
public async Task<IActionResult> Create([Bind("Id,CategoriesId,Product_Name,Image_path,Add_Date,Price,Quantity,Description")]Product product, IFormFile file)
{
if (ModelState.IsValid)
{
if (file == null || file.Length == 0)
{
return RedirectToAction(nameof(Create));
}
else
{
string filename = System.Guid.NewGuid().ToString() + ".jpg";
var path = Path.Combine(
Directory.GetCurrentDirectory(), "wwwroot", "Images", filename);
using (var stream = new FileStream(path, FileMode.Create))
{
await file.CopyToAsync(stream);
}
byte[] filenamee = Encoding.ASCII.GetBytes(filename);
p.Image_path = filenamee;
}
_context.Products.Add(p);
await _context.SaveChangesAsync();
return RedirectToAction(nameof(Index));
}
ViewData["CategoriesId"] = new SelectList(_context.Category, "Id", "Category_Name", product.CategoriesId);
return View(product);
}