System.IO.IOException: The Device Is Not Ready?

Oct 12, 2011

I am developing an application that reads from a network shared folder on a separate Windows Server. When the application attempts to read, I am receiving the error message "System.IO.IOException: The Device Is Not Ready". I have tried running the application as an Administrator, however I still receive the same error.The files in question do not appear to be in use by any other application.

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Server : Msg 823, Level 24, State 2, Line 1 - Error 21(The Device Is Not Ready)?

Feb 3, 2012

Server: Msg 823, Level 24, State 2, Line 1

I/O error 21(The device is not ready.) detected during read at offset 0x0000000001c000 in file 'Y:MSSQLDATAGLC2005.mdf'.

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A First Chance Exception Of Type 'System.IO.IOException' Occurred In System.dll

May 3, 2011

Brief of my project: Taking attendance using RFID reader and RFID passive tag. Main tasks:

1) Scan a Tag and Tag ID is transmitted to GUI.

2) Tag ID is matched with Student ID in database.

3) Successfully matched Student ID is displayed on GUI and LCD.

When i had experienced this problem, student ID was only display on UI but not LCD. After that, my system hang. This happened only when the data of tag scanned is taken from text file through OpenFileDialog. Manually add of data via UI just work fine.

[Code]...

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Windows Cannot Load The Device Driver For This Hardware Because There Is A Duplicate Device Already Running In The System (Code 42)

Nov 13, 2009

A Problem in accessing a device from VB Windows cannot load the device driver for this hardware because there is a duplicate device already running in the system. (Code 42) This error is because i am using 2 devices of the same company which has the mass usb storage on it and when i install one of the device the other hides. So one is detected the Other is not. It also give a error called designed dragnonacally something...

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Delete The Attachment But Get An System.IO.IOException Error

Jan 15, 2012

In the following Sub I'm sending an Attachment when the email has been sent I would like to delete the attachment but I get an system.IO.IOException Error. the file I'm trying to delete is being used by another process. How can I detect if the process has finished.

CODE:

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System.IO.IOException When Creating A Test File

Aug 26, 2009

Determining the max filename & path size of the OS.zip I whipped up a quick app to test the max filename & path length for a chosen folder. It works gr8 except when I choose the root of the C-drive. When I do, I get this error:

[Code]...

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_serialPort.Open(), System.IO.IOException In Windows 7?

Apr 17, 2012

I am receiving "A device attached to the system is not functioning" IOException in_serialPort.Open() in a Windows 7 PC (64 bits). The vb.net application is working ok in 32 bits and is compiled x86. In the device manager, the driver appears ok under Ports (COM & LPT) -it's a USB, CDC or virtual comm port.This exception occurs mostly all the time, but ocasionaly, few times, _serialPort.Open() has worked and the communication between the application and the hardware has been stablished. If the Pc is restarted and connected to the same port where the driver

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Could Not Complete Operation On Some Files And Directories (System.IO.IOException)

Apr 11, 2011

I get the following error message when i try to copy a directory using folder dialogue to get the path, into a predestined path. The code is as follows:

[Code]...

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Random Exceptions: System.IO.IOException: The Handle Is Invalid

Dec 27, 2011

I have a relatively simple VB.NET app. It targets framework 2.0 from Visual Studio 2010. The app works fine most of the time, except that the users sometimes receive the

following exceptions. The error is completely random and somewhat rare. I haven't been able to trap it while in a development environment. It also doesn't appear to be

pointing at my code. My app continues to run if the users ignore the error. How would I trap and handle this error?

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System.IO.IOException When Renaming Files - .Net 2.0 - Server 2003

Jan 3, 2012

I'm writing a short app that will send an email notification, rename files and move them to a history folder after a DTS package runs and creates the files. It's a simple setup, the files will be in a folder. I'm attempting to rename them, then move them. For some reason, I keep getting System.IO.IOExceptions when I try to rename the files. Here's my code:

[Code]...

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Copy The Files From Release Folder To A Folder On The Server Erro "IO Exception The Device Is Not Ready"

Jan 18, 2011

I have developed a vb.net application which creates a csv file from database. When I run it from my system it works perfectly but when I copy the files from release folder to a folder on the server and runs the .exe file it give me IO Exception error. "The device is not readyť

[Code]...

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Error "An Unhandled Exception Of Type 'System.IO.IOException' Occurred In Mscorlib.dll" Deleting File

Aug 6, 2002

An unhandled exception of type 'System.IO.IOException' occurred in mscorlib.dll Additional information: The process cannot access the file "c:Fax524b2cfa00.tif" because it is being used by another process.

[Code]....

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Image.Dispose() Error "An Unhandled Exception Of Type 'System.IO.IOException' Occurred In Mscorlib.dll"

Oct 7, 2009

i am making an application that grabs an image from a folder, sets it to a picture box, then has the option to delete the folder... when i click the delete folder button i get the error:

[Code]...

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How To Disable System Device

Sep 10, 2009

Is there any way to disable a system device from VB.NET. Such as a device that needs to be enabled/disabled quickly and or uninstalled.

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Connect Device With System Design?

Aug 11, 2009

I have 1problem...i want to connect device and then the device can display the output in mysystem design.the system is for display value output in decimal.so,how to create code for the projek?and than the device use port usb...how to connect device with my system?

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Find The Operating System Of The Device (if It's A Computer)?

Jan 26, 2012

I am building a simple network browser that pings a specified range of IP addresses, and if a response is discovered, it gets the host name and MAC address of the device it pinged.My first question is how can I find the operating system of the device (if it's a computer)?My second question is, for devices that aren't computers e.g. a wireless printer or router, is there a way I can find out what type of device it is?

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C# - Get Current Volume Of System Sound Device In Windows 7?

Jan 9, 2011

how to get current volume of system sound device in windows 7 ?I looked up in google but every solution returned values like -1, 4686346, ...

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.net - What GPS Dongles Work With Windows 7 And The .Net 4.0 System.Device.Location Namespace

Jun 29, 2010

I want to add full GPS support into my application. The .Net 4.0 System.Device.Location namespace information here is perfect for my needs. When this was first announced and the Beta release was out, I got a GPS dongle, but I could never get Windows 7 to see it as a sensor and therefore make use of System.Device.Location. After many e-mails to Microsoft they would only confirm that they were using the GPS dongle that comes with a M$ Mapping product..

Does anyone know of any other Dongles that definately will appear as a sensor in Win7? I like the look of this one, it gets good reviews and is a nice size.Is there anyway of knowing that it will work, for example what Chipsets are supported as a Windows 7 Sensor, a lot of the information out there says that the Win7 implementation is really lacking..

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Make Program Feel If Any Device / Usb Device Plugged Into Computer Or Unplugged

May 5, 2010

how can i make my program feel if any device or usb device plugged into the computer or unplugged.url...

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IOException Not Getting Thrown

Mar 4, 2012

I'm a learning VB.NET programmer that just ran in to some trouble. I'm creating a TCPClient/Server chat room application. When a client connect to the server, the server creates an object that represents the client and stores the reference to this object in an ArrayList. This "IndividualClient" object begins listening for messages, just strings, from the actual client program using a new thread that runs NetworkStream.Read. Now, when the client program is closed, the server-side IndividualClient object is supposed to throw an IOException at the NetworkStream.Read method, but this exception is never thrown, and I'm not able to catch it and handle the disconnecting of the client. With the client not disconnecting and never being removed from the ArrayList, all kinds of problems start to arise when the server tries to send a message to all connected clients.[code]

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Getting Unhandled IOException When Using Itextsharp ?

Sep 15, 2009

I am getting this unhandled IOException when using itextsharp

Rebuild failed: Error reading string at file pointer 3; Original message: xref subsection not found at file pointer 118

The line of code throwing this error is: Dim inputDoc As New iTextSharp.text.pdf.PdfReader(inputPath)

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Code(s)s To Catch Specific IOException(s)?

Aug 9, 2010

Does anyone know a link to a list of IOException codes or some way of catching a specific error?I have been digging for a couple hours trying to find a code, or a number to catch when my app throws

System.IO.IOException was unhandled
Message="The file exists. "
Source="mscorlib"

[code]....

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Threading Not Mastered / Still Having Ioexception Errors

Feb 13, 2011

I have been creating multiple background threads to parse xml files and recreate new xml files. Now the problem I am having is that even though I use synclock on global variables, I will still at times get errors and I am sure that this is just the crude way of coding I am doing, but I was wondering if someone had a better option. [code]I have global variables through out the app and should I be locking each one and does this not make using threads then useless.

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VS 2010 IOException When Writing To A Txt File?

Jan 29, 2011

I have some code which writes the variables out to a debugging text file.

Try
Dim LogFileName As String
LogFileName = "log.txt"
objWriter = File.AppendText(DesktopPath & LogFileName)

[code]....

However when I run the code I get a IOException "C:Users***Desktoplog.txt" is in use by another process. the log is not open in notepad or any other program so what other process is using that file?

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Deleting Attachment After Email Sent - IOException Error

Dec 29, 2011

In the following Sub I'm sending an Attachment when the email has been sent I would like to delete the attachment but I get an system.IO.IOException Error. the file I'm trying to delete is being used by another process. How can I detect if the process has finished.

Private Sub SendMail()
Try
Dim cfiAttach As Net.Mail.Attachment
Dim Attacmentfile As String = AttDir & fileName & ".pdf"
Dim SmtpServer As New SmtpClient()
[Code] ......

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[2005] Saving And Loading Data: IOException?

Jan 18, 2009

I keep getting an IOException, because the file is apparently already in use. I'm pretty sure I closed every handle, and I don't know what to do.

High-Score
If haswon Then
Dim strFormat As New StringFormat()

[code]....

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Check When The Webbrowser Is Ready?

Apr 6, 2011

How do I check when the webbrowser is ready? The code below should work but VB.net continues to work before the website have loaded completely.

Code:
While (WebBrowser1.ReadyState <> 4)
Application.DoEvents()
End While

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Detect When Drive Is Ready Or Not?

May 31, 2010

I'm trying to create a Windows Explorer like application, when a flash drive is connected/disconnected the application detects it and does some stuff. This is what I've accomplished so far:

Code:

Private Const WM_DEVICECHANGE As Integer = &H219
Private Const DBT_DEVICEARRIVAL As Integer = &H8000
Private Const DBT_DEVICEREMOVECOMPLETE As Integer = &H8004

[Code]....

One thing that this code does not do is detect when the driver changes from ready to not ready, e.g. if a CD is removed/ inserted into the optical drive or a memory card is removed/inserted into the card reader. How can I accomplish that?

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Get WebBrowser Text When It Is Ready?

Jan 20, 2010

After lot of searching I found a working sample showing how to get a HTML page loaded. It works now if I wait until it is finished loading and then press a button to transfer HTML data into string. I tried to use webBrowser1.DocumentCompleted event but it does not fire.My question: How to get the data automatically when it is ready. Or what is wrong in my code.

Imports
System
Imports[code]......

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How To Make App Ready For Localization

Jul 1, 2009

I've been reading about i18n and how to make my app ready for localization. One thing recommended is to set the NeutralResourceLanguageAttribute in the AssemblyInfo.vb file like such: <Assembly: NeutralResourcesLanguageAttribute("en")>However, when I do that I get 'Type is not defined' Anybody have any clues?

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