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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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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System.mail.net Attachment Help. Error: Logon Failure?

Jun 16, 2011

I am writting a program to sendout email by reading from SQL database and get the data out for the email information: To, From, subject, body and attachment. I am importing system.net.mail. But My email will send without any attachment but it will not send with the attachment. It give me this error: Logon Failure: Unknow UserName or bad password. However if I send the email with the attachment that is not get from the sql database. It will send just fine.

[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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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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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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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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Saving A File After Using It As A System.Net.Mail.Attachment?

Jun 14, 2011

I'm having an issue where the ContentLength is being set to 0 when I try to use an external function to save a file toa server after I use the same file as an attachment:Dim tempFileColl As HttpFileCollection = Request.FilesDim tempFile As HttpPostedFile = tempFileColl.Get(0)

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.net - Generate A PDF File As System.net.mail.attachment Using Memory Stream?

Nov 25, 2011

I have a function that accepts a string and generates an email attachment based on that string. It works fine for html pages, text documents, and so forth but I can not get it to generate a PDF file.

Code:

Public Sub SendMail _
( _
ByVal strFrom As String _
[code]......

If I save the file attachment as Whatever.PDF i get the error that it was not encoded properly.I am using datadynamics active reports PDF exporter to generate the PDF

dim pdf as new datadynamics.activereports.export.pdf.pdfexport
sendmail("from@", "to@", "test", "test", pdf.tostring, "pdf.pdf")

I think the problem is I am converting the PDF to a string, and then trying to convert it back to a PDF and attach it to the email but I am not 100% sure.

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VS 2010 : Getting An Error When Sending An Attachment - Smtp Exception Was Unhandled

Oct 25, 2009

When i add an attachment to my email and click send i get an error.

Error : smtp exception was unhandled
Line : SmtpServer.Send(mail)
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click

[code]....

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Delete Folder Permission - Get System Permission To Delete The Directory?

Apr 3, 2009

My.Computer.FileSystem.DeleteDirectory("folder location here", FileIO.DeleteDirectoryOption.DeleteAllContents)

I created a program which was deleting a particular directory for me. The program was compiled and working. Today I run the same program...did not do any system updates and now it won't delete my specified directory. I ran tests to make sure the directory is there when testing...I keep getting access/permission errors.

I rebooted system, ran my application...still gave me error. I turned off Windows Defender...still got error. If I manually delete the directory...no problem.

Is there a way to get system permission to delete the directory? I am being given an 'access denied' error...I do not have permission. I tried running my application as administrator...no good. - VB 2008 Express - VISTA OS

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Error: A First Chance Exception Of Type 'System.InvalidOperationException' Occurred In System.Data.dll

May 5, 2011

I am using VS 2008, Office 2007, and Win7 Home Premium on my system.I have a simple application which should be a breeze to build. All I am attempting to do is pull data from an Access database with four small tables into a data grid on a windows project. Should be simple, set up the data connection, choose a datagrid from the table in the data source view, drag it onto the page and done, right?I can't get it to work. It will all work fine until I attempt to run or debug the project. The data will not show up. The data grid does, but I get this error: A first chance exception of type 'System.InvalidOperationException' occurred in System.Data.dll

As I said, the project seems to build fine, but it will not pull the data. After the initial build I get the message that Windows will show this page in Compatibility View. Is it something with Win7 Home Premium, or a setting somewhere?

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VS 2008 : Error - Cannot Perform 'Like' Operation On System.Int32 And System.String"

Nov 2, 2009

I'm trying to use DataView.Rowfilter and I'm getting an exception which says "Cannot perform 'Like' operation on System.Int32 and System.String".

Here's the code...

Dim str2 As Double = CDbl(searchSTR)
Me.shipperDV.RowFilter = fieldName & " LIKE '*" & str2 & "*'"

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DB/Reporting :: Error: Cannot Perform '=' Operation On System.Int32 And System.String

Mar 6, 2010

I wrote the code below which calculates the length of a line on the form and save record. An error occurs when the programme tries to save the record. It gives me "Cannot perform '=' operation on System.Int32 and System.String" error. I checked the data type of "ID"(int), "Microscope"(Varchar), "Magnification"(int) and "Calibration"(Decimal), and they are fine so far as I know.

Code:
Private Sub btnEnd_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnEnd.Click
'Check if the length textbox is not empty

[Code].....

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Error : An Unhandled Exception Of Type 'System.StackOverflowException' Occurred In System.dll

Mar 21, 2011

get out from the below loop

Shared Function GetIPAddress() As String
Dim sam As System.Net.IPAddress
Dim sam1 As String

[code]....

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Error - An Unhandled Exception Of Type 'System.StackOverflowException' Occurred In System.Windows.Forms.dll

Feb 19, 2010

When I run my project I get "An unhandled exception of type 'System.StackOverflowException' occurred in System.Windows.Forms.dll"

Public Class frmViewReport
Dim objForm As New frmViewReport
Private Sub frmViewReport_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
objForm.ViewReport("C:a2.rtp", , "@parameter1=test�mter2=10")

[code]....

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Error : A First Chance Exception Of Type 'System.ArgumentException' Occurred In System.Windows.Forms.dll

Nov 16, 2009

I have the following code running, the first time I change the selected index, everything runs smoothly. However, if I try to change the selected index again, nothing happens and the subcategories combobox values do not change.

Private Sub cboMainCategory_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cboMainCategory.SelectedIndexChanged
'* make sure the combobox is fully loaded

[code]....

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Error : An Unhandled Exception Of Type 'System.ArgumentOutOfRangeException' Occurred In System.windows.forms.dll

May 6, 2009

I keep getting an eroor this error says: An unhandled exception of type 'System.ArgumentOutOfRangeException' occurred in system.windows.forms.dll Additional information: Specified argument was out of the range of valid values.

Option Strict On
Public Class frmWeeklyReport
Inherits System.Windows.Forms.Form

[code].....

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Error - Soap Serializer Does Not Support Serializing Generic Types : System.Nullable`1[System.DateTime]

Oct 2, 2009

Im working on my first n-tier application. I am trying to serialize a structure and Im getting an error"Soap Serializer does not support serializing Generic Types : System.Nullable`1[System.DateTime]."Here is the structure that is being serialized
Namespace Structures

<Serializable()> _
Public Structure structAllergy
Public AllergyID As String
Public ProfileID As String

[code]....

The bold line is the line that is throwing the error.

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Error:A First Chance Exception Of Type 'System.Reflection.TargetParameterCountException' Occurred In System.Windows.Forms.dll

Feb 6, 2010

I am working on a card game, and i get this werid error:

A first chance exception of type 'System.Reflection.TargetParameterCountException' occurred in System.Windows.Forms.dll

The code that is cousing this error is:

Private Delegate Sub ShowcardDelegate(ByVal test As String, ByVal objtest As Object, ByVal value As Boolean)
Private Sub Showcard(ByVal test As String, ByVal objtest As Object, ByVal value As Boolean)
If objtest.InvokeRequired Then

[code].....

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System.Exception: Unexpected Return Code: 1 At System.Data.OracleClient.DBObjectPool.GetObject Error

Jul 13, 2010

I have a windows service written in .NET 2.0 that will run every 5 minutes and executes bunch oracle SQL/PLSQL scripts based on time/validation, it throws the above said error some times against some SQLs, the same SQLs run fine at later point without any error, I have no idea what is going on with the app. I am not sure if this has any thing to do with oracle connection pool as I am properly closing the connections after every SQL execution.

Exception:

System.Exception: Unexpected return code: 1 at System.Data.OracleClient.DBObjectPool.GetObject(Object owningObject, Boolean& isInTransaction) at System.Data.OracleClient.OracleConnectionPoolManager.GetPooledConnection(String encryptedConnectionString,

[CODE]............................

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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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Jul 29, 2011

I am getting following error whenever I want to use IIf function inside entity framework query.

LINQ to Entities does not recognize the method 'System.Object IIf(Boolean, System.Object, System.Object)' method, and this method cannot be translated into a store expression.

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PrintDialog Windows - Getting An Error "An Exception Of Type 'System.Runtime.InteropServices.SEHException' Occurred In System...?

Dec 1, 2011

I'm using a 64 Bit Windows 7 system and trying to use PrintDialog. I know it doesn't work on Windows 7 unless you add this

PrintDialog1.UseEXDialog = True

So I have added that code but then I get this error for the following

Dim result As DialogResult = PrintDialog1.ShowDialog()

And the error:

"An exception of type 'System.Runtime.InteropServices.SEHException' occurred in System.Windows.Forms.dll but was not handled in user code

Additional information: External component has thrown an exception."

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Delete The Files In Remote System?

Apr 27, 2009

I want to delete some temporary log files in remote system without using UNC share path. If I used UNC share path in my application, the application execution was failed. In order to execute successfully, i want to map remote system in my machine and then application was executed successfully by using UNC share path. So, i dont like to use UNC share path in my application.

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