C# - How To Upload A Large File (~4mb) Over Https From Winforms With A Progress Bar
Apr 26, 2010Easy way how to upload a large file from winforms c# to asp.net https (web service or asp.net page), with progress bar?
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Apr 19, 2010I don't know which forum to post.
I need my asp.net application upload a file (some times the size is around 500M) from client to server.
I tried to use <input type="file" in website, and code with[Code]....
Ｂut this is HTTP protocol, right?
Is there any security protocol to upload from a web page, such as using protocol HTTPS?
if there is, can anyone provie me a sample or url?
Web Forms :: Add A File Upload Progress Bar To The Existing File Uploader?
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Jul 4, 2013I have a wep page. Its consists of some controls along fileupload controls. My page Fully placed into UpdatePanel. when i press the submit all contols values and file upload file should be stored into back end.i used vs2008 framework 3.5.
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Feb 4, 2010I have a scenario which I am looking at where large files which are about 30-40 MB are being FTPed to a server. I am looking at creating a .net screen with the FTP control to upload the file to a Unix server. I need to know how much of a performance hit it is to work with such large files, is it a feasible option in this scenario? I might have to create a .net component for the same and call from ASP application. Is it doable?
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Apr 23, 2010I have standard asp.net file upload control on a page. If a user try to upload large file they get all the cryptic error messages like page not found etc.I dont want them to be able to upload large files, but still want to show gracefull error message saying that file is too large to upload or something like that. Is there any way to do that?
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Mar 7, 2011i have a large excel file which has 1 lakh row , i want to insert these data in my table i am using entity framework for insert but it takes more than 45 minutes to insert which is too much, i want to speed up the uploading process what should i do. can I use multithreading for it if yes then how i can use? if any other way to do this process.
View 1 RepliesAJAX :: Asynchronous File Upload With Update Progress Using Loading Gif Image And Use Ajaxtoolkit 3.0
Apr 22, 2010my application is running in visual studio 2005, i used ajax control toolkit for .Net framework 2.0.but now i want to use ajaxcontroltoolkit latest version which is for .net framework 3.5 in my application which is running on .net framework 2.0 and visual studio
2005.how to integrate or use ajaxcontrol toolkit ?because i have some functionality like there is one file upload control and when click button it will take 2 to 3 min for upload so
i need progress bar with loading gif file.because of asynchronous postback fileupload control has not file.so i must assign postback trigger to button if i assign postback trigger to button than loading gif or progress bar not working.so i want to use AsynchFileUpload control of newly release toolkit.
is there any way to do it? or any other way.my client also not want to switch over it's application from 2005 to 2008.My code is below
<asp:UpdateProgress ID="uppr" AssociatedUpdatePanelID="up" runat="server">
<ProgressTemplate>
<div id="IMGDIV1" align="center" valign="middle" runat="server" style="position: relative; display:none; [code]....
C# - Large File Upload Support In Hosted (godaddy) Medium Trust .net App?
Jan 15, 2011I need large file upload support in my hosted (godaddy) medium trust asp.net app.It obviously needs to be responsive with indication of progress, so handling the stream myself is important.This all seems pretty simple and works well when in full trust:
1.Write an HttpModule that listens for file uploads.
2.Get the HttpWorkerRequest object from the Context using reflection.
3.Write out stream to a FileStream
All very well and good except that I keep getting permission exceptions when trying to get the HttpWorkerRequest object from the context in medium trust. Whether I use reflection or I use System.IServiceProvider.GetService() to get the object (which is clearly using reflection), I get the same error.
I have also tried using System.Web.HttpPostedFile. It has a property InputStream. But it seems this object is uploading the entire file on initialization, so no good.I have googled myself tired, and can't find another alternative.
Even if it is a security risk to let users have the HttpWorkerRequest object, surely the framework provides another way to handle the stream of files when Method="POST" and enctype="multipart/form-data"
AJAX :: AsyncFileupload Control Is Not Working On Server When Upload A Large File?
Jan 23, 2011My problem is Asyncfileupload control is working fine when i debug the application and upload large file...but when i run this from iis it only upload file less then 5 kb. why is that so?? i did try adding Httpruntime maxRequestLength="4096" i tried to find on search but no help... did m i mising any settings..??
View 3 RepliesSubmit A Form With A Large File Upload And Send Ajax Requests?
Mar 8, 2011This works in other browsers but not in chrome. I am trying to allow users to upload large files and have an ajax call to update them on the progress of the file upload.
So a unique ID is generated on the client side and added to the action of the form before sending. Then the form is submitted (form only contains a file upload input) and an ajax call is made to get the progress of the upload. The ajax call goes to another page and uses the ID to lookup the upload.
I am using JQuery 1.5.1. Debugging this and putting something on the error function give me nothing other than "error". Not very helpful. I used Chrome's debugger and it just says failed to load resource xxxx.aspx. xxx.aspx is the URL i needed. Turns out that there seems to be some sort of conflict between the form and the ajax call.
AJAX :: HTTPS 413: The Page Was Not Displayed Because The Request Entity Is Too Large?
Jul 2, 2010I am facing the issue "The page was not displayed because the request entity is too large."I am using ASP.Net 3.5, Sql server2008, IIS 7.5 and OS Windows 2008.I am finding the issue on following scenario:1. The error only shows up if the page is viewed as HTTPS (SSL).2. After login in the application if user waits for 1 min or more before doing a postback.Page size is about 200kb. It is running quite fine on Http.
View 5 RepliesFlash - Inaccurate Progress Bar When Uploading Large Files Using ASP.NET And Uploadify?
Feb 10, 2010I've got an ASP.NET web application (utilizing WebForms) and am using Uploadify to handle uploading large files. This is done by posting the file to an HttpHandler.
Example of code (simplified for demonstration purposes):
$(".uploadify").uploadify({[CODE]....
the progress bar being displayed doesn't actually reflect the progress of the upload, and shows the upload as being complete long before the file is actually uploaded. Therefore, the user interface effectively appears like it is doing nothing while the progress bar stays at 100%, until the file is complete.
In some cases, the upload simply fails after reaching 100%, with the OnComplete event never getting fired, almost like the response from the HttpHandler is getting lost in transit, even though the file is saved.I've tried both Flajaxian and SWFUpload, and experienced similar issues with the progress bar being completely out of sync with actual upload progress, indicating completion well before the upload was actually complete.
This problem is not apparent when testing locally, or with small files (typically under a few megabytes) as these tend to upload fairly quickly and there's little or no lag between the file being uploaded and the progress bar completing.Is there any way of using a Flash upload solution (such as Uploadify) with an ASP.NET web application and have the progress bar better represent the actual progress of the upload?
Update: Eventually, I gave up trying to use a flash based uploader as they seemed a bit too awkward, especially the progress bar, which didn't represent the actual progress of the upload at all. Replaced this with Brettle NeatUpload instead which works much better.
AJAX :: Async File Upload Control - Check File Contenttype Before File Upload Starts?
Jan 13, 2010I am using the async file upload control to upload to a image file. I want the user to upload only jpg files. And for that I am checking the uploadedfile content type in server side, after the upload complets. I wanna check this, before upload starts. There is one javascript method
function startUpload(sender, args){}
but how to access the content type of the file selected by user.
Web Forms :: Upload Multiple Files Using JQuery Not Working In HTTPs?
Sep 26, 2012I am using the following code to upload multiple files:
// Upload Source Code -HANDLER upload.ashx
<%@ WebHandler Language="C#" Class="Upload" %>
using System.Collections.Generic;//using System.Linq;using System;
[Code].....
How To Upload More Than One Large Images At Same Time
Jun 28, 2010internet Explorer cannot display the webpage when trying to upload a large image.I have a webform for inserting images. There are four FileUpload controls on the page, allowing the user to upload 4 images at the same time. It inserts them directly into database, in Image field, but before that I am resizing them to 200px x 160 px.
The problem I am having is as follows: If I try to upload larger images (over 2MB), one at the time, everything goes fine. But if I try to upload 2 or more larger images at the same time, I get the message: Internet Explorer cannot display the webpage, and there is a button below: Diagnose Connection Problems.
Can you please point me to what could be an issue? It obviously has something to do with the image size, but I have no idea what.