Create A Log File To Log When An Exception Occurs?
Mar 12, 2010
I am trying to create a log file to log when an exception occurs (if it does) and what exceptions occured. I have posted the code I have so far. What I would like to do is be able to set the path I want it to go to (ie: C:VB ProjectLogs). I can run my code with the current Logging code but cannot find the file. Is there some sort of create command i need to use first?
Sub LogWrite(ByVal ex)
Dim time As String
Dim Path As Microsoft.VisualBasic.Logging.LogFileLocation
[code]....
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Nov 7, 2011
I have a very simple table in access. The data is stored from VB.NET using the OLEDB adapter. I have a second form which has just a single DataGridView which was dragged/dropped using VS2010 from the Data Sources window.When trying to view the window the first time no data is shown and the second time an exception occurs and the program closes.
[code]...
In the Immediate window after clicking the Form.ShowDialog() button this message appears: A first chance exception of type 'System.ArgumentException' occurred in System.Data.dll Also, the data does not load into the datagridview. After closing the window and then clicking the same button (Not data has been changed at all) this error appears: Input string was not in a correct format.Couldn't store <07/11/2011 00:55:06> in Time Column. Expected type is Int32.
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Sep 24, 2010
I have a fairly complex application which makes use of an MS Access database. My application generates some 14million entries and inserts them after each generation, into the database. The app works perfectly without any bugs(that I am aware of) apart from one problem. If I run the app and let it run the full 14million odd data entries, the app crashes some way through and gives an Out of Memory exception.
I then loaded up TaskManager and notice that the memory usage increases by about 8-15Kb per second. I have done some reading and have tried using Dispose() to get rid of any objects finished with, I have tried building in release mode and the problem remains. I'm not even really sure if it is a memory leak or something else. I am using VS2010 and my application is running in .net 4.0.
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Jul 21, 2010
I have 2 tables loginInfo and UserInfo. LoginInfo Stores username and passwords while userinfo stores other user details such as Address,postalcode,phone etc.
I insert values into loginInfo first and if successful I enter the userInfo details. If exception occurs while entering details into userInfo i delete the loginInfo details.
This is how I do now
'login details are entered successfully
If CreateLogin(uName.uPass) Then
Try
'Create the user details
[Code]...
Is there a better way to deal with this situation? can use Transactions?
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Mar 24, 2011
I am using timers in a windows service and facing problem that anytime some exception happens ( say i unplug LAN wire from my computer ) service stops running, What i am expecting is that service should keep on running as i am catching generic exception which should catch the exception on one tick event and again work (next tick)when i plug in LAN wire (i am plugging/un plugging ) LAN wire as this service is reading database from LAN so i want to replicate a failover scneario)
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Mar 4, 2009
I have this scenario: in a Sub I have a Try...Catch statement.Within that Try..Catch I call another sub.In that 2nd sub is also a Try...Catch.(see below for example).Now if an exception occurs in the 2nd sub's Try...Catch, which Catch gets excecuted? The 2nd one, the 1st one or both?
Private Sub sub1()
Try
..do stuff[code].....
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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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Apr 14, 2011
Normally, i don't get this error while open form design. But I am ALWAYS get this error, when i worked on my project apx. 30 minutes.
When i get this error, i close my project, and reopen. then this error gone... "view designer" work normally and open my form. I have got 4GM ram,and when i get this error,my used ram is 2.5 gb. I am using VB.net 2008.[code...]
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Jun 21, 2012
Right now I have a program that checks login credentials against my Access(2003) database.It works, but the problem I'm having is that it's checking if the file.exist to frequently and with no real pattern. How I'm doing it isI have a My.Setting that saves the file path string as well as the connection string, during form_load I check if the My.Setting path string exist, if not then use an openfiledialog to find the file. Right now I have the database in a public drive, which is why I think that my program thinks that the file doesn't exist sometimes. This is how I'm doing all of the above:
'Some global variables commented out
'Dim log As String = My.Settings.loginStr
'Dim logCon As String = My.Settings.loginCon
[code].....
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Dec 26, 2009
Is there anyway to create a Custom Exception without inheriting System.Exception?
my reason is that they have a lot of methods which i do not wish my Class to have.
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Sep 29, 2010
I am getting the below error when I click a row in the grid. But this error is raised only in exe, which is installed in client machine, but when I check the same from source code in my machine, i am not getting this error. I am able to locate the record.
[Code]...
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May 8, 2009
It is possible to catch an exception and throw a new exception which wraps the first exception as an inner exception: [URL] Also, if I call a function and it throws a certain error, but I catch it, will the calling code's catch handler execute? If so, and it is of a higher exception type, is this not wrapping the exception? eg I can throw exception ex of type IndexOutOfRange, log it but rethrow, catch a higher up exception and do something, or I can throw a new exception and wrap an inner exception like:
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Jun 14, 2010
How i create a exception in location to allow access to page GanttViewer.aspx with other rol and others pages only with Admin rol
[Code]...
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Dec 17, 2011
I'm writing an installation program that needs to create a new Folder in the "Program Files (x86)" folder. I'm getting the following security exception:
System.Security.SecurityException was unhandled
Message=Exception from HRESULT: 0x800A0046 (CTL_E_PERMISSIONDENIED)
What do I need to do to get around this issue and create the desired Folder?
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May 27, 2011
I'm doing a small tool that basically wipes the document properties of each .*doc file in a specified folder. The code is working, however, if the document is already opened, I'm presented with a text box asking if I want to open a read only copy etc. I want the code to abort if that happens and rather write it down in a log file or something. And just move on to the next file. How can I do this? I'm talking about editing thousands of documents.
This is the code I have so far:
Imports Office = Microsoft.Office.Core
Imports Word = Microsoft.Office.Interop.Word
Imports System.IO
[Code].....
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Feb 24, 2011
I am trying to create the Proxy from the WSDL using wsewsdl2.exe [code]...
But i am getting Invalid cast exeption.Can someone please tell me how to i fix it?
I am using VS.net 2003 with WSE 2.0 V3 and Soap 1.1 installed.
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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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Jan 16, 2010
Is the only way to create custom exceptions to inherit from System.Exception?
I wish to create a class that can be thrown as an exception but i do not wish to inherit from System.Exception because i have a base [Object] class in my library which all my classes should inherit from and i wish my custom exception class could also inherit from it.
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Sep 6, 2010
I'm my program always fails at the same line:
objUser = GetObject("LDAP://CN=" & strUser & "," & ADPath)
If I reduce the code down to just this:
objUser = GetObject(), I still get this exception:
"Cannot create ActiveX component."
After googling this for about 18 hours, I found that it could be because of a permissions issue. I am a local administrator on the PC, so I believe that takes care of permissions. Secondly, I discovered that the dll file might not be registered. I tried to use the following command to register the dll file I think is being used:
regsvr32 "c:windowssystem32wldap32.dll"
It says the following:
Error - The module "C:windowssystem32wldap32.dll" was loaded but the entry-point DllUnregisterServer was not found. Make sure that "c:windowssystem32wldap32.dll" is a valid DLL or OCX file and then try again.So no matter what I try to do, I keep getting this unhandled exception error that says that it cannot create the activex component. What do I need to do to be able to use this getObject() command? Is the problem with LDAP? What activeX or DLL file is failing if even just running the getObject command gives an exception?
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Mar 10, 2011
I'm trying to get a save file dialogue to overwrite a file with the same name.
Private Sub Button6_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button6.Click
If RadioButton16.Checked Then
[code]....
I keep getting an error saying "Unhandled exception has occurred in your application." Then the next paragraph says "The process cannot access the file 'E:Copy of Release+Fontsob.txt' because it is being used by another process."
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Jun 22, 2010
My code was working fine when I tried with 3 columns. Now, when I mode columns (13) it throws the error.
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Oct 31, 2011
i'm using microsoft visual studion 2008.
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Apr 19, 2011
I found the source of the issue i did not explain it very well. Basically i have a form with a compare validator that makes sure my txtstartdate is not less than my txtenddate. So these 2 text boxes have ajax calendar attached to it and when I select those 2 my compare validator appears and gives an error.
[Code]....
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Feb 8, 2012
I have a VB6 DLL that wraps a call to a 3rd party component. When I call my DLL from VB6, everything works fine, but when I call it from vb.net (2.0 framework targeted - VS2010) I get this error:
AccessViolationException occurred
Attempted to read or write protected memory. This is often an indication that other memory is corrupt.This error only occurs on Windows 7 (Windows XP clients work fine).I've looked this up and all the articles I found talked about the declaration not being correct.I am not declaring any APIs calls though, the 3rd party component is early bound in my VB6 DLL.I can run the DLL, set a breakpoint,and it goes into my VB6 function, but errors calling a function in the 3rd party component.My VB6 DLL takes 3 string and one 32bit numeric (long in VB6) parameters. The 3rd party's DLL function that I am calling is taking a string (bstrDNSID as string is what Intellisense shows in VB6). This is where it errors.
Update: None of the marshalling has helped, so I tried creating a test sub in my VB6 DLL. I hardcoded all the values within the DLL's test sub. It works fine when called from VB6, but gives the same error as above when running from .NET. Also of interest, when I have the VB6 DLL running from the VB6 IDE, I do not get the error when calling the DLL from .NET.
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Mar 30, 2010
I have an error appearing in my webbrowser, and as there doesn't seem to be a solution to stopping it, i'm attempting to just detect when it occurs, and use sendkeys to press enter.[code]..
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Feb 20, 2012
I have a system with 26 buttons but the buttons actaully run the same code; aside from the fact that the index number is used to distinguish between them (es, I know index values are out so I am using the object's name (btnKey1, btnKey2, etc).
Is there any event that occurs for all button presses or do I need to write the same line for all 26 events (actually 52 since I am using MouseDown and MouseUp - will get worse when I want to use the keypress side)?
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Sep 23, 2010
I am working on a program that opens forms from within the startup form. It is doing nothing usual that I am aware of. It was working fine an hour ago but now when I try to open one particular form I get the InvalidOperationException and I have no idea why. I've rebuilt the project, restarted VS2008 and restarted the computer. The other forms open without any trouble.
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Nov 8, 2009
I have a program that a textbox pops up for 30 sec. What I want to do is this: Have it go away after 30 sec if the user does not enter anything in it and hit return of click the ok button. But if they DO I want the timer to reset back to 30 sec. I have tried disabling and enabling the timer event--- sending a new interval, and spent some time looking in the Forums.
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May 4, 2009
I wanted a Message Box to appear when a file can't be found, for example. I made a Combo Box (ComboBox1) and a button, this is what the code was:[code]If a file can't be found, I want a message box to appear, not an Error Provider, I tried this code, but it did not work:[code]
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Nov 18, 2011
My asp.net website logs errors when they occur, but only sometimes shows the line of code where it occurred. Is there a way to find out what line of code my error is occuring on when the line is not provided?My Global.asax logs the error with the following code:
Sub Application_Error(ByVal sender As Object, ByVal e As EventArgs)
'Get MemberNumber
Dim MemberNumber As String
[code]....
It looks like the checkbox labeled "ckAdmin" is causing this error, but I do not know how to trace it. How should I go about tracing down this error or finding the line of the code this error occurs in?
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