An Exception Occurred During A Webclient Request

Mar 20, 2011

when doing the exact same thing on a diffrent pc it give me "An exception occurred during a webclient request." even in debugging.the first way is the regular "my.computer.download file" and the second one is:[code]

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An Exception Occurred During Webclient Request

Mar 18, 2011

I have a problem whit the webclient request. It work great on my pc, but my pc alone. It just says "an exeption occured during a webclient request." I thought it was the user-agent header.. but now when I have that, its the same.

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Response.write Oldvalues Error - An Unhandled Exception Occurred During The Execution Of The Current Web Request

Jul 27, 2009

Why am I getitng the following error? Object reference not set to an instance of an object. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.

Source Error:

Line 9: Dim entry As DictionaryEntry

Line 10: For Each entry In dictionary

[CODE]...

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Error - A First Chance Exception Of Type 'System.Exception' Occurred In Microsoft.VisualBasic.dll

Sep 2, 2009

I have a large project where we have 2-3 dll projects that are converted from VB6 to VB.NET. We have fixed all the issues that caused compilation errors, and most of obvious issues in running, so now we have basically a program up and running. The exe is created from scratch in VB.NET, using a lot of functionality from the converted dll's (including GUI forms). What I wonder is when I run the program in debug mode, I get a bunch of warnings in the "Immediate Window" saying:

A first chance exception of type 'System.Exception' occurred in Microsoft.VisualBasic.dll

...and some of other type (but most of them in Microsoft.VisualBasic.dll).I was wondering if this is common in projects converted from VB6, or if it is caused by bad design in our code...

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A Transport-level Error Has Occurred When Sending The Request To The Server?

Aug 3, 2011

We have an in-house developed VB.Net Windows Forms application that is losing users' individual connections to the SQL Server 2008 R2 database.The bolded message below is what appears.

A transport-level error has occurred when sending the request to the server. (provider: TCP Provider, error: 0 - An existing connection was forcibly closed by the remote host.)I have looked at many numerous articles both from Microsoft and others, but have been unable to pinpoint the issue.Sometimes it occurs when the user has been away from the open application for a long-time; others maybe less than 20 minutes.

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Parser Error Occurred During Parsing Of A Resource Required To Service This Request

Jun 13, 2010

login.aspx generates the following error on load, this file worked great for over 2 years, problems with Godaddy forced us to create a new account IIS6 ASP 1.1 which matched the original hosting environment. However now after the migration this file generates this error. Any Ideas why this parsing error is generated?

Parser Error:

Description: An error occurred during the parsing of a resource required to service this request. Please review the following specific parse error details and modify your source file appropriately.

Parser Error Message: Could not load type 'HopeCounselingWeb.login'.
Source Error: [Code]

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An Error Occurred Creating The Form : Request For The Permission Of Type 'System.Security......?

Sep 4, 2009

we are making our program in other computer it runs, without errors, but then when we transfer the program to another computer it has an error that says

An error occurred creating the form. See Exception.InnerException for details.The error is: Request for the permission of type
'System.Security.Permissions.FileIOPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.

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VS 2008 - WebClient DownloadCompleted Exception

Oct 10, 2010

I have not much experience with the WebClient.. How can I catch this exception of e.Result DownloadDataCompletedEventArgs; "The remote name could not be resolved", which occurs after some time when internet connection is not working..? [URL]

The calling method:
Private Sub DoDownload()
Dim wc As New WebClient
Try
wc.DownloadDataAsync(New System.Uri(Me.webImageLink))
AddHandler wc.DownloadDataCompleted, AddressOf OnDownloadCompleted
Catch ex As Exception
Debug.Print(ex)
End Try
End Sub

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An Unhandled Exception Has Occurred In Application?

Jan 20, 2011

An unhandled exception has occurred in your application??

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An Unhandled Win32 Exception Occurred In VB6.EXE

Oct 1, 2009

I have installed VB6 and Visual studio 2005. when i am opening the VB6 files getting this error.

Visual Studio Just in time debugger

An unhandled win32 exception occurred in VB6.EXE

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Unhandled Exception Has Occurred In Application?

Jan 2, 2011

unhandled exception has occurred in your application

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"WebClient" Very Slow On Initial Request

Dec 20, 2010

I am looking for a great VB.NET forum for support on the newest 2010 version.

I have a large project currently Compiled on the NET 4.0.

I have also ran it on 3.4, 2.0, and, 1.1..

I am trying to read a text file on a server which has ONE line about 12 charters long.

On the initial request to read the file I have about a 7 second delay before there is any further action. All subsequent request are instant considering I do not close the program.

I have searched and searched Google and read some older post from this site. Most refer to the proxy setting and say setting the proxy to NULL will fix this issue. Well we all know that this cannot be down in the newer version of .NET. I did not have this issue in .NET 1.1 using the same code.

Can anyone here tell me how to make the webclient avoid this delay the first time it hits the server?[code]...

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Get The Error 'An Exception System.NullReferencException Is Occurred In Svc.exe'

Oct 29, 2009

I have a small application. When I start to debug it, in the debug window I get the error 'An exception System.NullReferencException is occurred in svc.exe' whithout the string 'object referenc not set ... ' But the debugging isn't stopping and the programm runs and I can't figure out where the bug is because the debugging tool doesn't stop in the line of the bug. Why? How can I find the bug?

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IDE :: In Finally Block - Check If An Exception Occurred Or Not ?

Sep 18, 2011

In Finally Block, How can we check if an exception occurred or Not.I am programming in VB.Net. Why i am asking is that in the Finally Block there could be some things you would like to do if an Exception has occured and some things you want to do if an exception has not occured. So, within finally block how do we know if an exception has occured

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Redirect To Error Page When Exception Occurred In Asp.net?

Apr 18, 2011

I want redirect to error page when exception occured. If the code is not handling try{}catch(Exception ex){}in the page and if error occured in web application. Then I want redirect Error.aspx with Exception details to diplay. I am already wrote code in Global.asax page like this.

[Code]...

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Try/catch Unhandled Exception Has Occurred In Your Application?

Jun 12, 2011

In my code I am trying to come up with the following messages using a try/catch Unhandled exception has occurred in your application. If you click continue, the application will ignore this error adn attemp to continue. If you click Quit, the application will close immediately.conversion from string """" to type 'integer' is not valid Warning Icon followed by 3 buttons one that saids the DETAILS, another for CONTINUE, and one for QUIT.Here is part of my code. I did use Try/catch correctly, but it doesnt say the message the way i described it above ..

[code]...

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Unhandled Exception Has Occurred In Application .net Framework

Apr 6, 2010

unhandled exception has occurred in your application .net framework if you click Click continue and application will ignore this error and attempt to continue if you click quit the application will close immediatly

index 62515 out of bounds

In this application, it fills the access database with data

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Unhandled Exception Has Occurred In Your Application - Error

Nov 19, 2010

I try to share my project to the other computer and i got this error:

Unhandled exception has occurred in your application, If you click

Continue. the application will ignore this eror and attempt to continue. If you click Quit, the application will close immediately.

The File "\FolderProjectBinDebugProjectDatabase.mdf" is on a network path that is not supported for data files.An attemp to attach an auto-named database for "\FolderProjectBinDebugProjectDatabase.mdf" failed.A database with the same name exists, or specified file cannot be opened, or it is located on UNC how to fix this error?

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Within The Finally Block, Check If An Exception Occurred Or Not ?

Sep 18, 2011

I am Not using the "Catch Ex as Exception" for some of my application's architect details.So, if my code is something like

Try
'code here
Catch ex As ApplicationException '!!! i.e. ApplicationException

[code]....

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A First Chance Exception Of Type 'System.InvalidOperationException' Occurred

Mar 29, 2010

I have several ActiveX controls in my project one of them loads solidmodeling files for viewing. Because this process can take some time the authors provided an OnFinishedLoadingDocument event.This worked fine under VB6.Now however under VB.NET 2008 framework 3.5 I get an exception thrown When I try to access a form control from this event.

Quote:

A first chance exception of type 'System.InvalidOperationException' occurred in System.Windows.Forms.dll I found an article that says something about it.

Quote:

If you are using ActiveX controls on a form, you may receive the cross-thread InvalidOperationException when you run under the debugger How can I add text to my control from this event?

Code:
Private Sub oView_SW_OnFinishedLoadingDocument(ByVal sender As Object, _
ByVal e As AxEModelView._IEModelViewControlEvents_OnFinishedLoadingDocumentEvent) _
Handles oView_SW.OnFinishedLoadingDocument
Dim nSheet As Integer = 0

[code]....

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An Error Occurred Creating The Form. See Exception.InnerException?

Mar 16, 2010

in my machine it works fine, when i run program on another machine it gets error:

An error occurred creating the form. See Exception.InnerException for details. The error is: Could not load type 'Microsoft.VisualBasic.PowerPacks.ShapeContainer' from assembly 'Microsoft.VisualBasic.PowerPacks.Vs, Version=9.0.0.0, Culture=neutral,

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An Unhandled Exception Of Type 'System.StackOverflowException' Occurred In Sys

Jun 24, 2009

At first it was when I was trying to output to a text file, I disabled that for testing purposes and now I'm getting it randomly again.. Here is the code that always seems to throw the exceptio:

[Code]...

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Error 1001 Exception Occurred While Initializing The Installation

Sep 28, 2011

I am trying to install a 64 bit windows service application and I get the following error:Error 1001. Exception occurred while initializing the installation: System. BadImage FormatException: Could not load file or assembly 'file:///C:Program Files or one of its dependencies.An attempt was made to load a program with an incorrect format.

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Fix An Unhandled Exception Of Type 'System.StackOverflowException' Occurred

Feb 5, 2005

why this error comes up it has happened in most of my projects and i don't know how to fix it.An unhandled exception of type 'System.StackOverflowException' occurred in Unknown Module.

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Unhandled Exception - Error Occurred Creating Form

Apr 9, 2008

I have written an application but it didn't work here on my pc and unhandled expression occurred when I execute my program then this error is occurred.

"System.InvalidOperationException was unhandled
Message="An error occurred creating the form. See Exception.InnerException for details. The error is: Unable to cast object of type 'System.String' to type 'System.Byte[]'."
Source="E-Photographer"
[Code] ....

List View is already added for the purpose of thumbnails. I also need thumbnails when I click on root of the treeview and I also want to show image in the picture box when I click on node(photo). I need my code such as that it can display thumbnails on List View and pictures on Picture Box.

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Unhandled Exception Has Occurred. Event Code: 3005?

Jun 29, 2011

I am facing a problem where i couldnt able to fix it. Could anyone help me on this issue.

[Code]...

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A First Chance Exception Of Type 'System.UnauthorizedAccessException' Occurred In Mscorlib.dll?

May 11, 2012

I am running vs 2008 and and trying to connect to an sql server 2005 to do userauthentication, but the error message i get is"Access to the registry key 'HKEY_LOCAL_MACHINESOFTWARESmartinfoLibServer' is denied" and the message "A first chance exception of type 'System.UnauthorizedAccessException' occurred in mscorlib.dll" also shows in the immediate window.

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An Error Occurred Creating The Form - See Exception.InnerException For Details

Feb 22, 2011

here is mt code it was working great till i closed my computer and go to sleep then when i wakeup i found that the form that i was working with not working

[Code]...

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An Error Occurred Creating The Form. See Exception.InnerException For Details

Mar 7, 2009

im making a simple blackjack game. im not using pictures or anything, just using alt + 3-6 to make these symbols: everything was going great up until a little while ago. it worked fine, then i added a timer to tell who wins and some code for it. im stumped, and i know i could make this code 50x more elegant but i dont care that much,....the exception is: An error occurred creating the form. See Exception.InnerException for details. The error is: Object reference not set to an instance of an object.

Code:
Public Class Form1
Dim unused(52) As String
Dim dealcards As Integer = 2

[code]....

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

Dec 20, 2010

I am getting a stack overflow exception during the process of my program. yes I have used recursion method in my application and can't see any other logic to get the data. Scenerio is I need to present the data in the grid as BatchNo|Parent|Date|Qty|Cost columns. I have stock history and old stockhistory table(17 million records).

Public Class Form1
Dim dtAgeing As DataTable
Dim sTransdate As String
Dim dcCost As Decimal

[code]....

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