Check Whether The File Is Selected In File Upload Or Not?
Feb 3, 2011How can i check whether the file is selected in file upload or not
View 1 RepliesHow can i check whether the file is selected in file upload or not
View 1 RepliesI 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.
how to image upload without button click c#?
View 1 RepliesHow to set default file in <asp:FileUpload />
When a FileUpload is null then i want to set defualt file .
regarding my code :
Byte[] imgByte = null;
if (FileUpload1.HasFile && FileUpload1.PostedFile != null)
{
HttpPostedFile File = FileUpload1.PostedFile;
imgByte = new Byte[File.ContentLength];
File.InputStream.Read(imgByte, 0, File.ContentLength);
}
Is there a file upload control for ASP.Net which performs a client-side checksum calculation (CRC, MD5, etc) on the file contents and transmits the checksum to allow for server-side checksum validation?
I have looked through answers on several file upload questions, but did not find this feature mentioned anywhere.
I want to check the selected file size BEFORE uploading a file with the asp fileupload component.I can not use activex because the solution have to works on each browser (firefox, Chrome, etc..)How can I do that ?
View 3 RepliesI am trying to check if a file already exists before uploading a file. I have the following code but it doesn't work whether the file exists or not.
[Code]....
Is there any way to check the size of a file that is being uploaded before its uploaded? Below i have code that works, but it doesnt check the file size until its uploaded.
[Code]....
I need upload multiple images and check before image size, I don't wanna use JQuery but if is necessary i can use it, some of you have or know one example.
View 1 RepliesI was wondering if there is a method where i can check to see if the file that a user is uploading is either one of the following formats:
Quote:
.doc
.docx
.pdf
I currently upload like so:
PHP Code:
[code]....
Now is there a way i can check to see if the files are of the above formats and limit the users to only be able to upload files of this format?
I'm a beginner i work with visual studio 2005 and ajax 1.0
i have a web page with a control input i must to check the weight of the file but in javascript WITHOUT ActiveXObject !?
How do I check if an asp:FileUpload control has a file selected in JavaScript?
I've tried .HasFile and .value, both have returned undefined.
I would like ask you for some ideas how can I write mechanism that will be automatically read files from folder. I don't know how to schedule the write task. I want to check for new file everyday and if the new file is in the folder read it.
View 2 Replieshow can I know that the user already selected a file in the upload control, basically I need something like an event when the uploadfile control already have the filename, since I want to upload inmediately without having a second button that the user would need to click so the program can do the SavAs, I want to do it automatially after the user selected the file with the upload control.
View 1 RepliesI have an asp.net panel having various controls including gridview. I have converted this panel into pdf and attached it as an email attachment using memory stream. Everything is working fine. Now I have an File upload control outside panel through which I have to attach a file and send it in mail along with the already attached panel. But I am unable to figure out how to do it.
View 1 Replieshow to upload and save files to oracle database, and view file using C# .net and can upload one or more files in one webform.
View 1 RepliesI want to upload files to the web servers from the client machines.
Can i upload a file on a network share folder using file upload control?
I would like to create a share folder on a file server sitting next to the web server. If i upload the file from the network share folder instead of uploading it from the client machine does it make any difference?
Will the file be stored in a temporary location before copying to the final destination? Where will be the file stored in this case of uploading it from share folder?
I want to get full path which user selected in file upload control.
how can we do it.
I am selecting the file in the file uploader and when i press the button,the page gets postbacked and the selected files in the file uploader gets removed. I need to remain the selected file in the file uploader even thought the button clicked.
View 1 Replieshi iam using asp.net with c#in my form there is file upload control to browse and get the image and there is dropdownlist control from which i have to select the items ,on selecting the items from dropdownlist onselectedindex changed event ,the file upload control is becomming empty how to handle this situation
View 2 RepliesI am using the File Uploader to upload files. It is working fine. But I receive the page can not be displayed when I try to upload a file>4Mb in size.
View 1 Repliesmy project is in c sharp and must upload pictures to MySql DataBasethe uploadfile controle is included in asp form that i made but the problem is that the uploadfile always get the Postedfile = null i tried to use html input file but the same problem still
@ Page Language="C#" MasterPageFile="~/MasterPageB.master" AutoEventWireup="true" CodeFile="test.aspx.cs" Inherits="Add_Pictures" Title="Untitled Page" %>
<%@ MasterType TypeName="MasterPageB" %>
<%@ Register assembly="MyFormView" namespace="MyFormView" tagprefix="asp" %>
[code]...
i have simple code. in which i want to check whether file is uploaded or not. but HasFile return false. I think every thing is ok but not working. how i will upload only images instead of "All Files"
[Code]....
How to upload images with some conditions
Like
size not gretr than 50 kb
with = 110px, height 140 px
etc..
i have problem in uploading 2gb video file using file upload control in asp.net, i have limit the maximum file size in web config file then also it shows error any remedy for that...
View 1 Replies