VS2005 Won't Handle "access Denied" Exception
Apr 10, 2012
I'm just testing my application to ensure all exceptions are handled gracefully, but I'm having problems with one particular error.
The code looks like this:
Code:
Try
fw = New StreamWriter(GlobalFileName, False) 'Open for overwriting
{stuff}
[Code]....
This code seems to catch errors such as the file being used by another process or whatever, but in the case of insufficient permissions to the directory (ie. 'read only') the code breaks with the error:
Unhandled exception has occurred in your application... Access to the path '...' is denied.
It is definately the "new streamwriter" line that is crashing it, but why isn't this particular error handled by the "catch exception"?
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Apr 18, 2012
I was scripting a very basic process manager, with a ListView component, and it was working fine for many days, up until now.Here is the code for getting processes:
Dim Process As New Process()
Dim Count As Integer = 0
ListView1.Items.Clear()[code].....
The line of code where I put "*WIN32 EXCEPTION LINE* keeps running into an error(Win32 Exception was unhandled; Access is denied). Here is the full error description:
System.ComponentModel.Win32Exception was unhandled
ErrorCode=-2147467259
Message=Access is denied[code]....
As I said before, this had been working for several days, up until now.
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Apr 10, 2010
I tired this [code]...
but this code not working on windows vista, i can use it on windows xp, i think problem is user permissions but i have to delete or create file via my application how can resolve this problem.
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Mar 30, 2009
I want my program to be able to edit a values within a registry key that resides in 'HKEY_LOCAL_MACHINE'
My.Computer.Registry.SetValue("HKEY_LOCAL_MACHINESOFTWAREXYZ", "MyValue", "MyData")
The above works fine in Windows XP, but throws an UnauthorizedAccessException in Vista.
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Jan 17, 2011
I am trying to get a list of files using this line of Dim files() As String = IO.Directory.GetFiles("D:", "*.*", SearchOption.AllDirectories)But it errors out on folders that are inaccessible, like the RecycleBin folder & the program stops. So how do I get a list of files in all folders, while skipping the inaccessible one
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Jun 22, 2010
I was working on a project in my VB.NET Express and suddenly my code that was working fine and starting up as normal gave me this error:
{An error occurred creating the form. See Exception.InnerException for details. The error is: Corrupt .resources file. Got an unexpected EndOfStreamException while trying to read the ResourceReader header.}
When I'm trying to run my application, it doesn't open my main form.
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Jun 26, 2009
I ran into an interesting dilemna today. I have a function that handles information and checks for duplicate values, then returns the next number that is not a duplicate. So, I have something like this:
Public Function GetNextNonDuplicateNumber(NumberToCheck as Long) as Long
//the non-duplicate the function will return
Dim NonDuplicate as Long
'duplicate
If CheckForDuplicate(NumberToCheck) = True Then
Throw New DuplicateException()
[Code] .....
As you can see, I want to handle the exception specifically, but I also want to throw it when I'm done because I want to alert other code outside the function. The problem is that simply throwing it exits out of the function with a null value.
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Sep 22, 2009
i am using data grid view.if i loaded this data grid view with about 15 and above rows and traverse in data grid view by pressing down arrow key then an unhandeled exception throws.The unhandled exception is as below value of '176' is not valid for 'value' .'value' should be between 'minimum' and 'maximum' parameter name value..
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Nov 23, 2009
I am using VB.Net code to print barcode label in Zebra TLP 2844 printer. And the printer is connected to system by USB port. When i execute the code i get an error "Invalid Parameter : Name handle" in the line outFile = New FileStream(_SafeFileHandle, FileAccess.Write) . As this is a USB port So i shared the printer and used the UNC path. But still i get the error. Below is the complete code
[Code]....
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Mar 9, 2008
What do you think is the best way of handling a Timeout Expired exception?
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Aug 9, 2010
I want to force a calling method to implement exception handling.
Java forces a calling method to implement exception handling where it calls another method that thorws an exception.
Does VB.Net have the same mechanism?
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Nov 26, 2011
I have searched other forums, google, etc. and have not find a solution. I am creating a VB.NET application using Visual Studio 2010. My application runs fine inside the IDE. Outside of the IDE, it crashes immediately with an OOM exception. I have compiled the program in both VS 2010 and VS2008. The outcome is always the same. I increased my Desktop heap to 12288 meg from 3072 meg thinking that was the issue, but the outcome is the case. Although the increase does improve my response in the IDE. The error is also being reported as related to mscorlib.dll; and my version is for 2.0 framework is 2.0.50727 and for 4.0 framework is 4.0.30319. I am running Windows XP/SP3.
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Apr 11, 2012
Is there a way I can catch and handle two different exceptions within the same exception type? For example:
Try
' My code
Catch ex As System.Net.WebException
End Try
I have 2 different exceptions that are System.Net.WebException. I want to handle them different ways. Problem is the catch block above catches them both. Is there a way I can determine if which of the two it is and handle them differently?
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Sep 19, 2009
screwed up User Access Control, some functionality does not inherit the accounts true privileges. I built a Command Prompt application and ran it from an Admin account, but I kept getting access denied when I ran it. The only work around I can find for now to shut the dam thing off in control panel.
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Jun 21, 2010
i doing a window app using vs2005 to download file using FTP to my c drive it have no error when i run it in window xp but when i test it in vista i facing a problem stating access to path "c:program file...." is denied any work around can be apply to it? i know if i grant the folder security to everyone then this problem will be solve but if do so i need to configure it 1 by 1 for every computer
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Feb 10, 2012
I am having a problem with my application I encounter this problem in windows 7 only but in windows XP it is working fine. When I install my application onwindows 7, any file must have an option when I right-click the any files. Here is the code of my project:
Dim WP As RegistryKey = Registry.ClassesRoot.CreateSubKey("*\shell\Upload through ACE\command")
WP.SetValue("", Application.ExecutablePath & " " & Chr(34) & "%1" & Chr(34))
[code].....
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Dec 1, 2011
file = System.IO.File.Create(filepath)
[Code]...
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May 24, 2009
I'm trying to copy a file from one folder to an other using this [code]...
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Aug 18, 2010
I am using Microsoft Visual Studio 2005, and am getting the error Access to path is denied when i try to delete a file across the network.
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Aug 31, 2009
When I run the following command:
infile = New FileStream(SOURCE_FILE, FileMode.Open, FileAccess.Read, FileShare.Read) ' Open the file as a FileStream object.
I am receiving the error message, Access to the path '....' is denied. I have gone through the file/folder properties of my target folders and I thought I gave full access to the items I am targetting but it doesn't seem to help. What else should I try to avoid this error?
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Feb 25, 2011
I am trying to copy data from folder (SC1) to another folder (SC2 in Local AppData).Basically my steps:
1. User click hotkey (To capture image)
2. Data captured will be save in folder sc1 (sc.CaptureScreen.Save("sc1/" & imagename & ".jpg", System.Drawing.Imaging.ImageFormat.Jpeg))
3. Then data in sc1 will be copied to folder sc2
Protected Overrides Sub WndProc(ByRef m As System.Windows.Forms.Message)
If m.Msg = WM_HOTKEY Then
Dim id As IntPtr = m.WParam
Select Case (id.ToString)
[code]....
After I execute the program, got an error saying ' Access to the path 'C:Documents and Settings ewuserMy Documentsackup 2editlatestU-Surf SysteminDebugsc1' is denied?
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Dec 20, 2011
System.UnauthorizedAccessException: Access to the path 'C:Program Files (x86)myhomemyhome
ame-address-city file.csv' is denied.
[Code]...
The code work good only in debug mode but not in the computer also freeze my computer. My program was working good a few days ago.
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Jan 21, 2012
Access to the registry key is denied.
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Aug 25, 2011
ran into an issue but i have no idea why. I made a program that reads in a text file. I tested the program and it worked perfectly. I made the setup file using the setup wizard, installed the program on my computer and tried to test it and it gave me anerror about not being able to access the text file. I attempted to run the program right in VS because it had worked fine before and now even in that i am getting an error saying it cant access the text file. I dont know why it did work and now suddenly it
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Apr 5, 2012
I keep receiving the access denied error when running a Wql event query through VS 2005 (vb.net)
Public Function Test() As Integer
Try
Dim query As New WqlEventQuery("SELECT * FROM __InstanceCreationEvent WITHIN 10 WHERE TargetInstance.Name = 'C:\Users\ewar\Documents\test\test.txt'")
[code]....
I've read that I have to enable certain permissions, my account is part of the admin group and I run VS by clicking 'run as administrator' How and what permissions do i need to modify?
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Jun 4, 2009
Using either VB6 or VB2008.I'm try to run a "Ping" program. In VB6, I'm using "IcmpSendEcho". In VB2008, 'm using "System.Net.NetworkInformation.PingReply".Both have worked on the same machine before.Now I'm getting "Network access is denied": Error: 65.I can ping 127.0.0.1, but not my actual IP address. I can run a CMD line PING xxx.xxx.xxx.xxx and it works every time.Can someone assist as where and what I need to change to get these to work properly?The VB6 version works on another machine. (haven't try the 2008)The OS is XP Pro Sp2 TIA
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Sep 6, 2010
I have a problem in SQL provider, when i type server name in my code it connect without any errors but if I want user to type the server name it gives an error "SQL does not exist or access is denied".
Hereunder what I mean. In the below code I typed server name and it connect without any problems
conn.ConnectionString = "Provider=SQLOLEDB;server=cai-magedh-lt2;database=Att;user id=;pwd="<br/>
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Oct 17, 2010
Dim target as Process = Process.GetProcessesByName("process")(0)Process.EnterDebugMode() Dim ModHandle as Integer = Nothing For d as Integer = 0 to target.Modules.Count -1 If target.Modules(d).FileName.Contains("mydll") Then ModHandle = target.Modules(d).BaseAddress.ToInt32 Next VB gives me an "Access is denied" error.
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Sep 19, 2010
I make software by VS2008 , this software in windows xp work fine but in windows 7 have some problems .
When read cpu temp , return access denied.
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Feb 18, 2009
I am trying to write some code to read the application pools from a remote machine and then eventually I will want to recycle one of the pools. I am trying to use the following code to retrieve the application pools, however I am getting an Access Denied error on the For Each line. There is no inner exception, so that is all I have to work with.
Dim connection As New ConnectionOptions
connection.Username = "administrator"
connection.Password = "password"
[code]....
The account I am trying with right now is the box administrator account.The machine is not part of a domain and it is windows 2003 server with the firewall off.I know the username and password are correct, because if they are not I get an error on the Scope.Connect() line.I even rebooted after that change, just to be sure, but still no luck.
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