Visual Basic IO Exception: File Cannot Be Accessed Because It Is Being Used By Another Process
May 20, 2012
I have been searching throughout the forums and have yet to find an answer that will work for resolving the above problem in my program The exception is occurring within the declaration of a new streamwriter and after the closing of a previously used streamreader that accessed the same file I'm trying to write to. I think that the file is completely closed at the end of the streamreader block, but I cannot tell for sure.
This bit of code is the block just before the streamwriter declaration and the declaration itself:
Dim fn As Integer = 1 'first number for searching for file
[Code]...
If you need more info or more code chunks to help solve the problem, feel free to ask
View 4 Replies
ADVERTISEMENT
Mar 10, 2009
I've been stuck on this for 3 days now.I have a TiffBitmapDecoder accessing a file and generating a BitmapSource from one of the frames in the file. If I try and modify the file after that e.g. insert new frame or even delete file, I'm informed that the file cannot be accessed as another process is accessing the file.How do I either a) Get the TiffBitmapDecoder to release the file or B) force all processes that have access to a file to release?Note: I'm using WPF and the TiffBitmapDecoder does not have standard fileStream methods like close, dispose or flush.
View 9 Replies
Jul 14, 2009
We migrated from VB 6 to VB.NET 2008. Convertion went fairly well. There is one issue with exception.
The following line in the InitializeComponent throws exceptions.
Me.dirSelector = New Microsoft.VisualBasic.Compatibility.VB6.DirListBox
The exception message says that "Invalid Property value". It happens only once. After that everything seems to be working.
View 1 Replies
Sep 21, 2007
When I load my solution and compile it after first starting the IDE, everything works as expected. After changing source and recompiling, I get the following compile error:
Error 11 Unable to copy file "objDebugCAMDRS.Library.dll" to "binCAMDRS.Library.dll". The process cannot access the file 'binCAMDRS.Library.dll' because it is being used by another process. CAMDRS.Library.
After closing Visual Studio 2005 and reopening the solution I can compile again successfully. This is an old solution that has been fine for a long time. I just recently changed computers and reinstalled everything.I am running win XP Pro sp2, Visual Studio 2005 sp1.
View 22 Replies
Dec 9, 2010
In VB.NET or C#, I'm trying to read the contents of a text file that is in use by another program (that's the point, actually, I can't stop the program or it stops writing to the text file, and I want to periodically read out what is currently in the text file in another program)[code]in VB the code is above (a C# answer would be fine as well), however, it still throws the IO exception "The process cannot access the file 'file.txt' because it is being used by another process." Are there any workarounds in this scenario?
View 3 Replies
Jun 12, 2011
I am writing a program that creates a file and attaches it to an email. I use a loop to create the attachment, send the email and then do it again with different information in the attachment. This works well for one tim through the loop, but on the second time through I get an error when I try to open the file for output to create the new version of the file. I get an unhandled exception of "The process cannot access the file 'c:ProjectArticles1Article.txt' because it is being used by another process.". How can I release the file from being used once the email has been sent?
[Code]...
View 2 Replies
Dec 15, 2011
I'm trying to build a program updater based around downloading XML files from a server. The idea being that the servers XML file contains the current version number and installer location. the updater either gets dumped in the startup folder or gets installed as a service, etc. The program successfully reads and parses the current version xml file and it successfully downloads the xml file from the server.
However when I try to parse the newly downloaded file from the server I get the error:
'IOException was unhandled'
'The process cannot access the file 'C:Program Files (x86)TestServerVersion.xml' because it is being used by another process.'
The code is as follows with the error marked by a comment on line 52:
Imports System.IO
Imports System.Xml.XmlTextReader
Imports System.Net
Module Module1
[Code] .....
It's still work in progress but there's not much point in writing code to download and execute the installer if I can't work out the location of the new version. In case it's of use here is the XML:
<?xml version="1.0" encoding="UTF-8"?>
<VersionConfig>
<AvailableVersion>2.0.0.0</AvailableVersion>
<ApplicationUrl>http://192.168.2.226/EPI/2.0.0.0/</ApplicationUrl>
</VersionConfig>
View 1 Replies
Jan 24, 2011
How do you extract source code from a VB.NET .EXE file?
View 3 Replies
Jul 17, 2011
My.Computer.FileSystem.Rename(pathname,name) < < Throws the above exception I am trying to rename a small .jpg image, - previously (in this application program flow) accessed by the following:
btmp = New Bitmap(pathname) < < , and was followed by a btmp.Dispose well before the Rename called it. Plenty of time had gone by. But for some reason the "application process" is not releasing the pathname for me to rename or delete it.
View 5 Replies
Dec 7, 2010
how to write?inserting an avi file in visual basic on .net what is the syntax?
View 1 Replies
Sep 9, 2011
I want to search and some changes on headers in my .doc file
View 2 Replies
May 2, 2007
I have a batch file which I would like to include in my code. Dose anyone know how to run a batch file within the codefor example:I have the bath file at c: est.batWhen a click a button a want this batch file to run.
View 7 Replies
Nov 24, 2010
I wrote a program to save a ini file and read it in visual basic 6.0 but i want in visual basic 2008 the code i used in vb6 is this:
[Code]...
View 3 Replies
Oct 24, 2011
What is the best way to zip a file with my visual basic application?
View 2 Replies
Dec 20, 2011
Am trying to achieve a couple of things: merge a bunch of individual text files into a combined file, move the files that were combined into a new folder. I have assigned each of these tasks to a method. Something in the first method is hanging on to the file, even though I am closing and disposing the stream reader - but I can't figure out what. I know that a process from the first method is hanging on to the file because when I comment out the first method, the second method moves the files without a problem.
EDIT The first method is returning a value for new big file. This is passed as a parameter to the second method. When the second method tries to reference this file, that is when the program throws the error (5th line from bottom) Most posts on SO advise closing/disposing IO objects, but I am already doing that. They also advise using a third party tool to investigate what process is hanging on to a file, but I already know that it is the first merge method (because when it is commented out the program runs).
[Code]....
View 4 Replies
Mar 5, 2009
My .NET application gets this XML response from the W3C's public validation server:
<?xml version="1.0" encoding="UTF-8" ?>
<env:Envelope xmlns:env="http://www.w3.org/2003/05/soap-envelope">
<env:Body>
[Code]....
How can I fix the broken code above? Or: Am I way off track with this?
View 3 Replies
Apr 20, 2012
i just thought if i can use this script to visual basic program so that i can give it some buttons and other stuffs? just copied it to my friend and i want to give it a little more professional touch ....
[Code].....
View 3 Replies
Jun 29, 2010
I'm working on a practice exercise to convert a XML file to a text file. Here's the code;
Function XML2Text(xmlNode As Variant, Optional recordQuery As String = "*", _
Optional propertyQuery As String = "*", Optional filename As String = "", _
Optional Delimiter As String = ",") As String
Dim buffer As String
Dim recNodeList As IXMLDOMNodeList
[Code]...
View 3 Replies
Mar 9, 2012
I'm using Microsoft Visual Studio 2010 Express: the C++ and VB versions.
There is some VB code that forms the body of a program, and all the GUI.There is also some C++ code that does some fast processing (lots of loops).
I am trying to call the C++ code, compiled as a dll, using:
Private Declare Sub CalcGraph Lib "Model.dll" ()
And at the moment keep getting the error: Unhandled exception has occurred in your application. Unable to find an entry point named 'CalcGraph' in DLL 'Model.dll'I'm fairly new to programming, so please be patient with me That said, I'm prepared to do the leg-work, and have already spent quite a while reading around on this and other sites. Nothing seems to match quite well enough to help me understand what's going wrong.
View 3 Replies
Apr 28, 2011
i am beginer in visual basic.i am developing a software which require to insert and view from local database of sql server
i wrote connection string in class like this :
Private connectionstring As String = "provider=sqloledb.1;" & "data source=harampak.sdf ; conntiontimeout = 15 ; integrated security=sspi but error is occuring , saying that sql server doesnt exist , invalid connection string the database file is on the same folder of the project file
View 4 Replies
Feb 25, 2010
I am working on a program for the Windows Mobile 6.0 system and using Visual Basic 08. I would like for the current txt file that I have, that is formatted as follows: "NOR400","277225","ZIMA 4/6 12OZ NR BOTTLES","07199077603",21.65,"cs",7.19,"pk","C4/6PK","12 OZ "
to be imported and each item in the line will be assigned to its own txt box. I have been able to load up the file, in to one txt box, but am unable to separate the items in to their own box. Should I be using arrays for this?
View 1 Replies
Jul 25, 2011
Ok, so I'm making a program that will read from a text file, convert each line into an array, the. Send each of those lines 1 per tick. This is in 2010 Visual Basic. Closest I've gotten is sending all at once, I worked on it over night and am slowly destroying it. Ideally, I want Button 1 click to populate the array from the file at LocationTB then start the timer. The timer should send a line at a time on the GapTB interval.
Public Class Form1
Public TextLine As String
Public MyFileName As String
[Code]...
View 2 Replies
Oct 23, 2010
How can I put a gif file as the icon of a tab?
View 2 Replies
Nov 7, 2009
I need a file search for my Visual Basic 2008 program. Do you guys know a way to start off? I've heard that you need admin priveledge for some file searches, but I don't want any of those kind of things since it would be a bug to the user.
View 1 Replies
Jan 25, 2010
It needs to be run standalone on NT How do you launch a VB app without VB being installed on the run-time computer? The VB executable will be on a CD. It can be standalone or as part of a bat file.
View 5 Replies
Oct 11, 2011
My project is using Visual Basic 2010. I have a pure text save file with the following format:
num_TEC|1
num_STR|0
num_PER|0
num_MEC|1
num_KNO|1
num_DEX|1
I'm trying to load the data by using the first column as the object name and the second as the value. I've had some success with the following (skipping some basic IO lines):
prop = FileReader.ReadLine().Split("|")
tempvar = prop(0)
If TypeName(Me.Controls(tempvar)) = "NumericUpDown" Then
Me.Controls(tempvar).Value = prop(1)
I have a problems with this because I have some objects in panels or group boxes and Me doesn't reach into them.
Is there a way to just strictly reference an object with a variable? I'd love to assign the first column into prop(0) and just say
if TypeName(object(prop(0))) = "NumericUpDown" then
object(prop(0)).Value = prop(1)
View 1 Replies
Jun 27, 2011
I have a vb 2008 code project i need to build the exe filehow could I do this please note that our clients do not have visual basic 2008 software..so how can I build the exe file of vb 2008 project and run it in other machines where visual basc 2008 is not installed
View 3 Replies
Jan 20, 2010
I've seen posts on deleting the lines from a text file that are specified as a function parameter, but I only need to delete the first and last lines from the file.
I'm still a newbie when it comes to working in files, but it seems that it should be simple to delete the first line... Just delete all text from BOF to the first CrLf character. Am I right?
As for the last line, I understand that I'll have to get a count of the lines in the text file to find it (as the file won't always be x amount of lines long).
View 3 Replies
Nov 6, 2009
Would it be something like this
My.Computer.Network.DownloadFile("ftp://My.Site.com")
View 2 Replies
Oct 2, 2010
how to extract the various images from an icon file ie 256 x 256, 48 x 48, 32 x 32, 24 x 24, 16 x 16 etc.
View 1 Replies
