Asp.net - Find Line # Of Code That This Error Occurs?
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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Apr 14, 2010
I am getting error in the following line of frmContacts.frm. The module code is quite right. I have mentioned the module code here just to give an exact idea .The error line is: .Connection = MyConnection (Wherever it is in the frmContacts.frm)The error read as : Name "Myconnection" is not declared.
Code in Module:
Imports System.Data.OleDb
Imports System.Data
Imports System.Windows.Forms
[code]....
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Apr 28, 2010
How do I find Line 40 and column 89 in my code. I get the following error message.Error 1 Handles clause requires a WithEvents variable defined in the containing type or one of its base types. Line 40 column 89.
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Nov 21, 2011
How do I find Line 40 and column 89 in my code. I get the following error message. Error 1 Handles clause requires a WithEvents variable defined in the containing type or one of its base types. Line 40 column 89.
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May 1, 2011
I am suppose to only Find the total of each column in the last row. Find the grand total in the last cell (the bottom right corner)Ok i have tried to do the grandtotal but i am not getting what she wants done I have also tried to reverse the arrays but that was wrong to. I am only suppose to add two line one line is find the total of each colums in the last row and to find the grandtotal.
Module Module1
Sub Main()
Dim sum(5, 4) As Integer
Dim row, col As Integer
[code]....
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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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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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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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Dec 13, 2010
I am getting this error message:
Warning 1 Variable declaration without an 'As' clause; type of Object assumed.
And here is the line of code that generate the error message:
Dim acceptedExtensions = New String() {".jpg", ".png", ".gif"}
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Jul 5, 2010
I have developed serial port communication application using vb 2008 with serial port class.
Previously everything was ok. Now a days error occurs when closing serial port.
At the time of closing there is no receiving data .
Error is "The i/o operation has been aborted because of either a thread exit or an application request"
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Oct 13, 2009
I am having an issues with my code causing my forum to close after an error occurs during a SaveFileDialog. My problem is if the form closes after an error occurs that doesn't save the file, the person would lose their text they made. If there a way I can embed the code in an If statement or Try catch so it only closes if the file was saved? Here is my
[Code]...
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Jun 30, 2009
I am currently using Snarl to generate notifications whenever an event / error occurs in my program. How would I go about coding a native VB notification instead of using a 3rd party program?
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Jan 19, 2010
if the rows CurTXId is 0 then I insert new records. and then call AcceptChanges on the PeopleTable.now if I have an error, for example conversion from null to Decimal causes an error and the first insert occurs before the error. now i have a row inserted but AcceptChanges hasn't been called yet.then i click save again and the insert happens again since the rowstate hasn't changed.how should I handle this?[code]
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Jul 31, 2009
As part of a review of my program on Softpedia, the Reviewer stated the following: If you call on a piece of software and it is not installed on your computer the application will pop up a nasty error message that may discourage beginners. Popping a dialog saying the reason of the error or that the software is not installed on the system would be a great fix.
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May 7, 2010
I was working on my project (creating a new form), and when I switched from the code view back to the designer view, I got the following error:
The designer cannot process the code at line 118: Me.VDARSQLDATASET = New Veterinary_Digital_Anesthesia_Records.VDARSQLDATASET() The code within the method 'InitializeComponent' is generated by the designer and should not be manually modified. Please remove any changes and try opening the designer again.I am now getting this error on every page. This project has been working for months just fine, but for some reason the VDARSQLDATASET has dissapeared- kind of. I can still access the dataset (the file is still there), I just can't reference it in the code (intellisense can't find it).
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Dec 7, 2011
So, concering my project: I am trying to control an RC Car via Kinect, until now I got it working with key control only (eg WASD). So, I am using a Velleman K8055 Interface Board + the Kinect and VB Windows Forms. So far, so good, I created 4 Forms: menu, info, kinect-controls + wasdcontrols window. The error only occurs for my kinect-controls window (german name: Steuerung.vb) & that's my source
[Code]...
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Jan 28, 2012
I have an application where I make calls to multiple SQL Server Stored Procedures,keep the user aware that the program is still running and how long the specific SP has been running so that they can abort it if it's taking too long.
My initial attempt was to wrap up each call to the SPs like this example:
Dim cm As SqlCommand = Nothing
Dim Conn As SqlConnection = Nothing
Dim Tran As SqlTransaction = Nothing
Dim PrevTime As Date = Nothing
[Code]...
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Aug 10, 2009
I have a table adaptor that pulls from the sql database, when I edit the table adaptor query it makes this specific table adaptor not a part of the dataset. I have added a column to my database which will contain an integer, when I try to add this column to the query this error occurs, i am using the configure area of the table adaptor.
Error 'AuditProductsTableAdapter' is not a member of 'MemKingClient.MemKingDataSetTableAdapters.TableAdapterManager'.
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May 16, 2012
I created a simple program which basically launches programs installed on 32-bit system in the C:Program Files directory. I purposely put an .exe line of code in the compiler but that .exe wasn't installed on the system, I was expecting for an error when I tried to click the launch button and I did. NOTE: I already have a beginning If statement and that program is actually installed in the system, works perfectly no errors appearing.
ElseIf lstMultimedia.SelectedItem = "HyperCam" Then Process.Start("C:Program FilesHyperCam 2HyCam2.exe") 'this program doesn't exist in the system"
When the error appeared I looked at it in detail and found it was a system.componentmodel.win32exception type of error, I'm guessing that means a file doesn't exist in the directory I specified therefore the program displays an error.Now what I want to do is display a message box saying along the lines "This program cannot be found in your system" or something like that. But I don't know what the actual syntax/code for it, so far from thinking I have this.
Else : lstMultimedia.SelectedItem = 'no idea what to put here Then MessageBox.Show("This application cannot be found in your system or is installed in a different directory", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error)
End If
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Jan 15, 2012
I am using the given code to copy my database files...it works like a charm in debug mode but as soon as I create a setup, it stops working. The error is
"Database Detach Failed"
I tried checking the code line by line and found that the code does not enter the IF block.I have no idea why.
Public Sub bk()
Try
Dim strDatabasePath As String = My.Computer.FileSystem.CombinePath(My.Application.Info.DirectoryPath, "LIC.mdf")[code].....
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May 1, 2011
I enter a valid picture path run this code and get error in the sqrt line
CODE:
How to fix ?
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Mar 9, 2012
A form has many buttons. One of those buttons contains code to update the TableAdapterManager. One of the many TextBox controls has code in a Validating event handler. There is code to make sure a US phone number is formatted properly.If the user tabs out of the TextBox the Validating code works perfectly and show a message to the user if the phone number is not properly formatted and the focus is place in the offending TextBox.If the user clicks on a button that has code to update the TableAdapterManager the Validating code fires but instead of focus remaining on the offending TextBox, the code in the button Click handler also fires.
I would like to stop the button code from firing.Here is the code for the Validating event of the TextBox:
Private Sub TextBoxPrimaryPhone_Validating(ByVal sender As System.Object, ByVal e As System.ComponentModel.CancelEventArgs) Handles TextBoxPrimaryPhone.Validating
' Make sure the phone is formatted correctly.
[code]....
What additional coding to I need to include so focus remains on the TextBox?
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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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Oct 6, 2009
I have a windows service I created that checks for data to post to an off site webservice over SSL. The service checks every 10 seconds for data to send, if there is data it opens a connection to the remote webservice, and closes the connection after 120 seconds (still checking for data to send during this time). The service works fine if a user is RDP'd into the server, but as soon as no one is logged on and the service attempts to push data, I receive the following error:"The underlying connection was closed: An unexpected error occurred on a send."I have tried running the service as a local service, network service, under my login, and under a service account, but nothing seems to work. The PC it is running on is a windows 2003 server (virtualized - vmware)
Protected Overrides Function GetWebRequest(ByVal Uri As Uri) As System.Net.WebRequest Dim oWebrequest As System.Net.HttpWebRequest = MyBase.GetWebRequest(Uri) oWebrequest.KeepAlive = False oWebrequest.ConnectionGroupName = Guid.NewGuid.ToString oWebrequest.ProtocolVersion =
[code]....
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Aug 14, 2010
with datagridview1
while looping through all the cells
i am trying to allot a cell value to another cell value basing on some conditions
& finally delete one column.my code is as fallows
Dim i, x As Integer
i = 0
x = Me.DataGridView1.Rows.Count[code]....
error i am getting is : Object reference not set to an instance of an object.it is extremely surprising for me the same code has worked nice for me but why & how the same line of code is generating this error.
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Mar 11, 2010
THis is my error: The designer cannot process the code at line 25: Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font The code within the method 'InitializeComponent' is generated by the designer and should not be manually modified. Please remove any changes and try opening the designer again.
Callstack is:
at Microsoft.VisualStudio.Design.Serialization.CodeDom.XML.CodeDomXmlProcessor.CreateQuoteExpression(XmlElementData xmlElement)
at Microsoft.VisualStudio.Design.Serialization.CodeDom.XML.CodeDomXmlProcessor.XmlElementData.get_CodeDomElement()
[code]....
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Dec 17, 2010
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
[code]...
The following error occurs : Object reference not set to an instance of an object.
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Jan 29, 2009
Is there a way to show the line number of the line of code that caused an exception within a Try...Catch block?
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May 29, 2010
I am using WebBrowser1.DocumentText to get a websites source code, and then parse a string. I am trying to view the source line by line, and doing it as follows:
[Code]...
However what is displayed is each character from the source code, rather than the line. I am making the client log into a website, and the needed value from the source code is then parsed, so I need to use the WebBrowser type to get the source code.
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