I am trying to write disk errors to the system event logs.I have a list of errors reported to the event logs if disk issues occur.So i just want to write dummie errors to the logs so I can do testing.I am able to write to the logs but the description comes up as follows:
[Code]...
I am getting an intermittent "System.Web.HttpException: Request timed out." error when my code hits the line response.write():
sMessage = "Searching...0% complete."<br>
sSetVal = "<script>document.getElementById('MessageDiv').innerHTML='" & sMessage & "';</script>"<br>
Response.write(sSetVal)
Note that Response.BufferOutput = false is set when the page first starts executing (well before the above code executes).The code is used to update a progress message while other threads execute long-running processes. One thread runs continuously and checks the status of the other threads. As the other threads finish, this thread outputs updated status messages to the end user. I realise that this could (should) be recoded using ajax, but it is a legacy app and that is not an option at the moment.
This code is run 10,000+ times a day, and the error only occurs about 5 times - so I suspect the response object is being blocked by other threads when the website gets busy. However, I don't know which performance counters to check in the performance monitor. Or is this problem caused by something else? I am using IIS 6, asp.net v2 and vb.net?
I need to read the event log of Time Change (event id 520) , Is it possible by vb.net?I am working with windows 2003 server and Visual Studio 2005.
View 2 RepliesI'm working on a program to read event log entries from several remote servers...its basically to automate some daily checks we doMy code works but is very slow as the event logs can have up to 60,000 entries in them.I only need to check the logs from the specified date but when i run this it appears to check from the oldest entry to the newest. does anyone know how to reverse the order it looks in? or to save the index it checked from yesterday to a file and only check newer entries next time it's run (obviously i know how to save a number to a file and read it back.. i just mean in terms of the eventlog API stuff!!!)
Dim elevent As New System.Diagnostics.EventLog("Application", currentserver)
Dim elEventEntry As System.Diagnostics.EventLogEntry
For Each elEventEntry In elevent.Entries
[code].....
I am using VB 2008 Express. How can I read from the Windows System event log? I've seen many examples writing to an event log, but none about reading the log.
View 8 RepliesI would like to search event logs on my network for a certain EventID. I havent worked with Event Logs before and was wondering how difficult this task would be.
View 1 RepliesI have created a new VB2008 project and I want to display the newest 5 system errors from the eventlogs.So far I have this but all it retrieves at present is every entry where all I need is the latest 5. I wil eventually need to expand this to show EventID etc
Dim objWMI As Object
Dim objItem As Object
[code].....
how i can read the audits from security in the event logs in vista.
I just want to get if its successful or unsuccessful and who the user was.
I know the logs are kept here : %SystemRoot%System32WinevtLogsSecurity.evtx
I am working on creating a web app that will query event logs on internal servers for events using a specific ID. Since most of the servers are running Windows Server 2003, I cannot use the preferred System.Diagnostics.Eventing.Reader method that I was hoping to use.
I've seen the mention of using WMI, but would like to avoid this if possible. I have dabbled with the System.Diagnostics class but cannot seem to get it working when running on a server. It is able, when testing locally, to query my event log, but displays nothing when put on the final server. There is no error that is displayed after the program is ran.
I have made a system that logs in on a web page.And it also fills in some information but now I need it the check a radiobutton. [code] But the problem is, there are three radion buttons on the same page, with the same name: [code] Now if I wan't to make the third box "checked" how do I do?
View 3 RepliesI have a vb.net app that crashes after runnung for 6 hours. There is no error message. Application just stops running. No error noted in log. No flags in event logs. Is there a feature in vb.net that may cause this. Application uses excel 2003
View 3 RepliesI used to run the following code on WIN XP PRO and it used to work. But why not running anymore on WIN 7:
Dim Log As New System.Diagnostics.EventLog()
Log.Source = "Demo Log"
Log.WriteEntry("Hello World", EventLogEntryType.Warning)
It gives the following error message: The source was not found, but some or all event logs could not be searched. Inaccessible logs: Security.Luai Alrantisi, BSc in Computer Engineering, University of Ottawa 2007, Canada. IT Manager of MTN Mobile Telecom.
Is there an easy way to export remote event logs FROM an XP machine?
I know there is System.Diagnostics.Eventing.Reader.EventLogSession from Vista onwards but I can't seem to find something for XP systems.
I am working on a project that includes having my VB app pull event log data from a Windows 200x server remotely. Does anyone have any code snippets or reference sites that would have information on remotely accessing admin functions/data in a Win2Kx server environment?
View 2 RepliesI'm currently creating an SSIS job that will pull picture data from a SQL database and write each picture to a file. We have an ID system that stores all images taken of staff directly to database fields, but we're going to be moving to a new system that stores all of the images as files in paths by User ID.
I have already created my main data flow that gets all of the users and the proper path, but I'm having trouble writing the script component that will create the images. I have the image data as a string, but how do I get it to go out to a file at the proper path?
[Code]...
I am using BinaryWriter class to write a binary file to disk. When I invoke the Write method, passing an unsigned short value, it writes it in little-endian format. For example:
bw.Write(0xA000);
writes the value in the binary file as 0x00 0xA0. Is there a way to make BInaryWriter use Big Endian? If not, is it possible to create a new class, inheriting BinaryWriter and overload the Write function to make it write big endian?
I am using Visual Basic 2010 Express and attempting to get information on how to Open, Close, Read and Write a disk file in Windows using VB. I have attempted to use help on the home page of Visual Basic 2010 Express with no results. It does not give me any instruction or sample.
View 3 Replieshow to write a null bytes onto unused hard disk spaces? I understand that files deleted are still existed on hard disk, I am thinking of may be if I write the null bytes to every single unused bytes so that the unused hard disk space would be become all null bytes, and unused space would no longer contain of those deleted files.
View 9 RepliesI would make an unattended recovery disk for my Dell laptop using Windows PE 2.0 and, so I am in need of a program which analyzes the first disk on the system in order to get all partitions.
The program should check:
- if there is an OEM partition (hidden);
- the number of logical partitions;
- the number of primary partitions.
Then, if there is only a primary partition, the program should delete it and create two primary partition...Is it possible?
I have a bit of a problem with the following bit of code. Basically the last line (Return Write...) is giving me the error 'Expression does not produce a value'.[code]...
View 1 RepliesIm trying to create a windows service with vb.net but when I run: InstallUtil.exe myservice.exe
I'm getting the following error in the MyService.InstallLog file: Restoring event log to previous state for source DebtorInvoiceMailingService.An exception occurred during the Rollback phase of the System.Diagnostics.EventLogInstaller installer. System. Security. SecurityException: The source was not found, but some or all event logs could not be searched.Inaccessible logs: Security.An exception occurred during the Rollback phase of the installation. This exception will be ignored and the rollback will continue. However,the machine might not fully
DebtorInvoiceMailingService.vb
Imports System.ServiceProcess
Imports System.Timers[code].....
I am having problems writing correct data to a file. I create a string of characters (approx 5000 bytes long). The string is a mixture of text characters and numbers converted to bytes. I then:
a) write the string to a readable text file
b) display the string contents to the console
c) write the string to a file - BDF.bin (I tried both IO.BinaryWriter and IO.StreamWriter but get the same error)
The byte pattern for the text readable file and the data displayed on the console match and for the most part , data bytes in the StreamWriter file are correct (first 4096 bytes are OK) but there are some extra bytes and some wrong bytes.Here is a comparison of byte patterns (hex values character written to the file) starting at byte 4096
Console: 45 44 52 31 00 00 00 00 01 00 00 00 90 01 00 00
Binary File: 45 44 52 31 00 00 00 00 01 00 00 00 C2 90 01 00
The byte patterns match, however in the binary file, there is an extra byte (C2).To display the console data, I read one character at a time from the string and display it using hex(asc(mid(string,i,1)))I view the binary data in the BDF.bin file using a hex editor program. I even tried 2 other hex editors and all showed the same byte info.
Public Class frmBank
Dim sr As IO.StreamReader 'sets variables throughout the program
Dim FromFile As String
[code].....
i know how to show errors from event viewer but i am not able to show critical errors of system from event viewer
View 11 RepliesI have developed a contact's manager in VB.net 2008, the program works fine on desktop's but when I try using it on a laptop I get this error message:
microsoft.visualbasic.powerpacks.vs, version=9.0.0.0, culture=neutral,publickeytoken=b03f5f7f11d50a3a
Dim streamWriterIO As New IO.StreamWriter("C:myfile.txt")
With streamWriterIO
.Write(streamWriterIO)
[Code].....
I just noticed this, but I had a for loop where I incremented beyond the number of elements in an array. Normally this would thrown an exception.
This was in a form load event, and all that happened was the rest of the code in the event never executed. If I wasn't looking for what was supposed to happen next I never would have known there was a problem!
There was no try catch block there... but I would think it would still stop program execution with an error.
Can anyone explain this? Do I have some stupid skip error checked somewhere (if this exists, I'm going to be really annoyed)? In a button click event I put the exact same code and it threw the error... it seems to just be a problem with a form load event.
My IDE is VS2010 professional (vb)
I created an even on a form called Sub New so I can handle some events and close the window down if there is an error.Upon doing that, I came across 3 errors that I don't know how to fix.[code] ShowDialog really isn't necessary I could just use .Show. I want to use ShowDialog because the line under those 3 shows the current form.How do I pass the date to the form?In case it's relavent, my code for sub new on frmEmail.[code]
View 7 RepliesI've added a boolean Column to my un bound Datagridview Like this:[code]
View 1 Repliesi have been designing a library management system in vb and i get no errors vi the ide but when i run the programm i get an exception error i wud like to kno if i could upload my solutions n u guys have a look thriugh 4 me as i have run through it with my group member and we can't find the problem i keep getting this error {"Disk or network error."} when its supposed to carry out an instruction regarding the database
View 1 Replies