Forms :: App That Allows A User To Upload A File To A Database
Oct 12, 2011
i have an app that allows a user to upload a file to a database. then, in the background, i want to move the file to a different folder.i am trying to use a background worker to do the file move but i always run into this error: the process cannot access the file because it is being used by another process.so i'm guessing it is still doing the file read/upload to the database (it works fine for really small files)how can i do the move once the upload is complete?i tried putting the actual upload piece in a background worker but it gives me an error saying the filename can't be null even though i check it and it isn't null.
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Apr 28, 2009
I'm developing an application that will take the data from a cd. This cd stores a .csv file. Can VB read this data from the disc and upload it to a database? Im not sure exactly where to start looking. Can someone point me in the right direction, as to what compnents i should be looking at.
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Jan 6, 2011
I want to create a page that allows a user to upload a file directly to my ftp server. For some reason when I run the code and try to upload a file I get:
ERROR: Could not find file 'C:Documents and SettingsuserMy DocumentsVisual Studio 2010ProjectsASP.NETuploadASP.NETuploadfile.txt This is not where the file is located. I am fairly new to .NET programming so I may have done some things incorrectly.
Here is my code:
If FileUpload1.HasFile Then
Dim fileExt As String
fileExt = System.IO.Path.GetExtension(FileUpload1.FileName)
fileExt = fileExt.ToLower
[code]....
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Jun 7, 2010
I'm working on creating a web application which is going to allow the user to upload a video file to the server. Once the file is uploaded to the server, it's going to be converted to .flv and copied to another folder in the same directory. Since I'm doing this from a web app, I don't want to tie up the app with the conversion process. That is when I figured this might be a good time to try threading the conversion process... what do you think?
Currently, my process logic is this:
1) User presses the upload button.
2) A dummy record is created in the database for the file being uploaded.
3) Folders are created on the server to house the original video file and the converted video file.
4) The original is copied to the server.
5) Once the original is finished being copied, the app converts the original to .flv and saves it in another folder.
6) Information about the conversion process is stored in a .xml file
7) The dummy record is updated with real data
8) There is a redirect to a page that lets the user view the .flv file on the web
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Jun 29, 2009
I am pretty new at VB but am trying to design an application that will allow a user to select from files on his or her PC, hit a '>>' button, and those files will appear in a list on the right side of the button (so I can then have the application upload those files via ftp). I am planning to use a TreeView control to act as a file explorer in the application. I have been unable to find any resources on the internet to populate the tree view with the user's local file structure, and was wondering if anyone could point me in the right direction.
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Dec 15, 2011
I am trying to store the filepath of uploaded files in a sql server database using vb.net. I have run the code at it uploads fine but nothing is being added to the database.
Protected Sub btnUpload_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnConfirm.Click
If IsPostBack Then
Dim path As String = Server.MapPath("~/UploadedVideos/")
Dim fileOK As Boolean = False
If FileUploadVideo.HasFile Then
[Code] .....
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Sep 13, 2011
I want to use BULKCOPY to upload an excel file to an sql database. The sql table has two fields whose values are not in the excel file but also need to be updated as they indicate the source of the data and the date on which the upload was done. The source is selected from the drop down menu on the form. Is there a way to append each record in the bulkcopy upload with these additional fields at the same time as you are uploading the excel file? P
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May 28, 2009
I would like to know how to upload .doc files to access database in VB.NET.All the codes I find are ASP.NET I don't understand how to do that in Vb.net.
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Jun 7, 2011
I am building a site for our company to share files between all users but administrators will be the only users who can add new files to the site.I need the administrator to be able to upload a file to a folder on the server and at the same time create a new record for that file and include a title, description, url of file, and other details in the database. In one click.
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Aug 12, 2009
i have a program in vb.net and my program will upload any type of file to my database, e.g common ext. to upload (.doc.xls) Im using mysql as database?
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Jul 14, 2011
How to upload text file and microsoft office file to mysql database using open file dialog.
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May 11, 2012
i have this code, how do i incorporate a progress bar into it? Private Sub btn_upload_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btn_upload.Click
[code]...
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Jun 13, 2010
How can I do it so every time the user loads my application it will automatically (without prompt, or user selecting) upload all the files in a folder i select beforehand and add them into ListBox1
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Oct 24, 2011
Rather than using a Handler(.ashx), is it possible to use a web service(.asmx) to upload?
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Jun 17, 2010
I'm trying to write vb code to verify a password input by a user to known table passwords in access database. The form has a drop down combo box that has userID's that are selectable. I'm trying to get the index number out of the combo box selection and use that to look up what the password should be. With that information i can then compare the stored password with the password typed into the text box below the combo box. All of the examples i've found that direct me show the code in regular Visual Basic. I'm using Visual Basic 2010 with the .net architecture.
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Oct 22, 2009
I have a program that I want it to send me the person's IP of the person that uses it. I had it send me an email, but that freezes the program for like 5 seconds, and I don't want my inbox spamming me a lot of emails with everybody's IP. Is there a way, somehow, to put that IP in a text file on a remote server? Would a FTP upload freeze the program like the email? Or, better yet, how would I make the email function NOT freeze it when it sends. I tried adding a sleep, but it just freezes the program the sleep time PLUS the time it takes to send the email.[code]e....
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Sep 21, 2010
I have a form on which the user selects a file using an openFileDialog. The selected filepath is then processed, which may take 10-20 seconds before the user is presented with the results.I'm finding that the once the user selects the file (clicking the OK button on the openFileDialog), the openFileDialog remains open until all of the processing going on in the background is completed. Once the processing has finished the openFileDialog disappears and the results are shown.The problem is that whilst the openFileDialog remains open on screen, it is not apparent to the user that anything is happening in the background. I do actually have a textbox which updates the user with messages showing the progress. However the openFileDialog hides the messages until it closes, essentially making the progress messages useless.What I'm trying to do is have the openFileDialog close immediately that the user selects a file. Then the processing can continue without the openFileDialog obscuring my form.
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Jul 28, 2009
I have an UI for user to upload an image, "Browse" button which open up a file dialog that accept those image file.My problem is i try to get the type of image that has been uploaded by the user, how to get the image type (JPEG, GIF..etc)
[Code]...
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Dec 17, 2009
I know there is a lot of forums out there regarding this, but I haven't been able to find what I need and I am somewhat new to this. I would like the simple openfiledialog code button click to attach a word document or PDF and upload it to a SQL server table to be saved. I would like to use my current datasets and controls without creating another SQL query within my project as I have seen in other forums, unless that is the only method. I know that the data needs to be saved as an image type with the file name and extension but I just need the code for this. I would then like to download the doc or pdf to view it within a form.
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May 1, 2009
I am using ASP.net with VB.NET.Is there some Validator that i can use that will check the size of the uploaded image?Else what must i do in code to make sure that the user do not upload images more than 1MB?
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Dec 24, 2011
I am wanting to create an application that will monitor the upload/download traffic of a user. Can someone point me too some code that I can have a look at?I have found SharpPcap - A Packet Capture Framework for .NET, but cannot find any vb.net code for it.
I have found this code:
Dim Properties As IPGlobalProperties
Dim StatV4 As IPGlobalStatistics
Properties = IPGlobalProperties.GetIPGlobalProperties
StatV4 = Properties.GetIPv4GlobalStatistics
Dim Packets As Long = StatV4.ReceivedPackets
What actually is a 'packet'? Can I calculate the download/upload from this code by maybe multiplying the recievedPackets by packet size... or something like that?
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Oct 31, 2009
I'm trying to upload a file via FTP from my local computer to an FTP server, which is also on my local computer at the moment. I've got this sub I'm calling:
Public Sub UploadFTPFile(ByVal ftpservername, ByVal fullfilepath, ByVal filename, ByVal username, ByVal password)Dim clsRequest As System.Net.FtpWebRequest = _
DirectCast(System.Net.WebRequest.Create("ftp://" & ftpservername & "/" & filename), System.Net.FtpWebRequest)
clsRequest.Credentials = New System.Net.NetworkCredential(username, password)
clsRequest.Method = System.Net.WebRequestMethods.Ftp.UploadFile
[Code]...
I'm running an FTP Server using Golder FTP Server, which is freeware. I think it's setup correctly because connecting to the FTP Server using the exact same string as above using Windows Explorer works great.
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Dec 18, 2009
Option Strict Off Option Explicit On
Imports Microsoft.VisualBasic
Imports System
Imports System.Data
Imports System.Data.OleDb
Imports System.Data.DataSet
[Code]...
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Mar 15, 2012
I want that when the application exe file is running at that time the database associated with the application shud be closed....Means...I am using the .mdb file...is there any way that when the application starts, if the user has opened the .mdb file then it shud be closed and also that when the application is running no one shpuld be able to open the .mdb file....
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Jun 8, 2011
I am on a project where users can login /register /change status/ ... just like facebook. The problem is that i can't find a code that allow users to upload pictures as their profile picture. I think i should save the Url of the image in the database not all the image . I found a site where i can save the images: [URL] but i couldn't find a way uploading images to photobucket trough my application and get the url of the image ....:( What i really need is a way to upload images from my windows application form to my sql database.
[Code]...
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Jun 12, 2011
1. i hve create school system...so when register new student i want to upload their picture in folder,not database...when upload, all student picture will be in same folder like student picture..
2. i'm using listview to view all student information,so i want picture display in listview column..
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Jan 15, 2012
I use a datagridview in vb to display the content of a table database.My goal is to be able to upload pictures in the sql database(to have a control near the datagridview that does this) and to display them in the datagridview.
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Sep 1, 2011
I have a WinForms application that I have taken over support for and it was build using Visual Studio 2005 with VB.Net. The application makes use of an Access database. It runs fine when it is installed as a standalone application, but the install cd for the application also allows for a network install and this is where I am currently encountering issues.
To test the network install I created a folder on my server (Windows Server 2003 SP2) and copied the Access database to this folder. I created a share for this folder and gave everyone full permissions to the share. Then on the workstation I installed the application and gave the path to the database as follows:
\myservermysharemydb.mdb
(The install steps here are as per the instructions given on the installation cd)The workstation that I installed it on is Windows 7 Ultimate. When I run the application, I get the error message given in the title when the application tries to read the database file. I have confirmed that I am able to write to the shared folder on the server, so I don't think this is a permissions issue. Also, the database file is not in use at all, so it is definitely not opened exclusively.
UPDATE:I have tested the workstation installation on a computer with a fresh install of Windows XP SP3 and it is able to access the database file without a problem. So it seems that this error that I am getting is somehow specific to Windows 7. Is there maybe a known issue with Oledb drivers on Windows 7? My version of Windows 7, btw is 32 bit.
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Oct 30, 2008
Here's what I'm attempting: The user browses for and opens a dbf file. The user is presented with a checkedlistbox which shows the column headers. The user then selects the columns they wish to run a report on. ex. total # of cells not empty, longest cell length, etc.
I'm to the point of populating the checkedlistbox with all of the columns shown but I'm unsure if the users selections are actually linked to my data and if they are how I go about isolating said selections for the reports. I have a feeling that my approach to populating the checkedlistbox is not the proper way for what I'm trying to accomplish.
Here is the code
Public Sub btnGetFile_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnGetFile.Click
Dim fileLookUp As New OpenFileDialog
[CODE]......................
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Nov 30, 2010
I have a folder on the Server that has a bunch of files such SBSA_UPLO_20101124, SBSA_UPLO_20101125, SBSA_UPLO_20101126. I would like to copy these files from this Server to a remote host Server that is connected to my IBM Universe database. The application must only copy a file that was uploaded 3 days before the current date.
e.g. if the current date is 27/11/2010, it must copy this file SBSA_UPLO_20101124.
SourcePath : \\ntdfkku1\download
Destination Path: cd /disk1/mmhh/PFILES
I am not sure what the best way to start this is
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