VS 2010 Auto Updating Windows Service?
Dec 17, 2011
I have a windows desktop application that I'm converting part of it to a windows service application. The win service pulls data out of one database and passes it to a central location via web services. I've got the windows service working, however I'm unsure how to add auto update abilities to it.
The windows service itself is basically an empty shell that fires off the data pulling, which resides in a dll that installs with the service. My original idea was to have the windows service do a version check and if needed download the new dll and overwrite the old one. The problem is the copy can't happen if the service is running (or paused). Herein lies the problem. If I have the service stop itself then of course it's stopped so no more code execution. The other problem would be how to restart it.
I'm trying to create something that is hands/worry free for my clients that way when I change/update the data pulling win service application they don't have to mess with it. I'm up to 300 clients now and I really need a solution that doesn't involve any user interaction.
EDIT: After more digging it's looking like this is a near impossible task. Another option would be to have a second service, one that just looks for updates and that second service can stop the first, update it, then restart it.
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Jul 14, 2011
i have a Windows service that is hosting a WCF service through net.tcp and this is working great. I have also created a WCF service application. I am trying to add the net.tcp service reference to the service application. Then I add it to the GAC that goes ok but if I try to RegAsm the WCF service application to allow it to be called from Server.CreateObject I get the error:
Warning: Type library exporter encountered a type that derives from a
generic class and is not marked as
[ClassInterface(ClassInterfaceType.None)]. Class interfaces cannot be
exposed for such types. Consider marking the type with
[ClassInterface(ClassInterfaceType.None)] and exposing an explicit
interface as the default interface to COM using the
ComDefaultInterface attribute.
It does not work. I have tried to call it through a class library but this does not work either as the end point is not set correctly.
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Feb 1, 2011
I'm using Access 2010 for 2 small databases for a windows forms desktop application.on Form 1, my datagridview updates Paccounts.mdb correctly as follows:
end_OK:
Try
Me
.PaccountsTableAdapter.Update(PaccountsDataSet.Paccounts)
[code]....
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Oct 19, 2011
I upgraded to VB2010 from VB2008 early this year and have been working on a Windows Service which I am now debugging. When I was using VB2008 in Windows XP SP3 I would put a Stop statement in the code and when execution got to it a dialog would open asking if I wanted to debug it using a development environment listed in a provided list. The list contained the VB2008 VS IDE which I selected which would in turn transfer me to the IDE in debug mode. I was very happy with this setup.
Now I am using VB2010 with Windows 7 and when the execution reaches the Stop statement the service just stops. It no longer offers the choice and ability to "jump" into the development environment via the dialog that I mentioned.[code]...
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Aug 19, 2010
I have created a Windows Service that I am trying to use to call an Emergency Alert program that checks a database to see if there is an alert to display. This is the Timer in the Windows Service that I call the Emergency Alert program from.
[Code]...
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Jun 9, 2011
We have constructed a windows service unde W2003 Server in vb.net 2010 to process certain database transactions. It should work 24/7 o the server. However, after 3/4 days it blocks the windows server operation since the memory usage is ever-increasing. After many revisions, we decided to place under "comments" all operational code, including all transactions to the SQl Server database and left just a kind of shell service that is doing no real work. Still, under these circumstances, the memory usage goes on increasing. Any idea how to prevent this from happening?
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Jun 4, 2012
I wrote a custom windows service (VB .Net) to run some processing on data files in the background of one of our servers. The service basically finds the next file to process, breaks it apart and makes a PDF or two - nothing super complicated. It utilizes a timer, if a file is not found, it waits a bit and checks again (repeat indefinitely). The service has run for a week or two with no issues/pausing/stopping. I have plenty of error handling for this and I have not been able to break it... until today.
[Code]...
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Nov 11, 2009
I have built a Dll and a Windows Service in vs2010. Both are targeting the .net 3.5 framework, but when I install it on the server it installs fine, but for some reason it targets the 2.0 framework and any time the methods fire that are using linq it crashes out with a clr20r3 error system.nullreferenceexception. Not really sure why it's not targeting .net 3.5.
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Feb 21, 2012
'the below just creates a text file for my own sanity. Both files get 'created so I know the service is running as it should and not crashing. 'timer ticks every minute so if I delete the files once they have been 'created, they get recreated
Dim TextFile As New StreamWriter("C:LRQuadrant" & "test111" & ".txt")
TextFile.WriteLine("blah blah blah")
TextFile.Close()
I have a file called john.vbs. It only contains the following vbscript
'DIM objShell
'set objShell = wscript.createObject("wscript.shell")
'objShell.Run("CMD /C dir /s > dirlist.txt")
If I run this through command prompt, it does as I'd expect.'Nothing happens when the below code gets run.
Dim foo As New System.Diagnostics.Process
foo.StartInfo.WorkingDirectory = "c:"
foo.StartInfo.RedirectStandardOutput = True
foo.StartInfo.FileName = "cmd.exe"
[code]....
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Apr 1, 2011
I created a small service application that listening to incomming TCPClient. Serving is is responsing perfectly when client program execute locally. but when client try to connect remotly, it says "A connection attempt failed because the connected party did not properly respond after a period of time,..."
when I execute the server (Listening) application as a windows.form it works fine. Tried to communicate by installing the service Service as "Local Service" and "Network Service". But problem Remain the same.
Following is my code for server.
Dim Listening_Port As Integer = 8001
Dim Local_IP_Address As String = "192.168.1.123"
Dim tcpClient As TcpClient
[code]....
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Dec 8, 2011
I have tested my code in a windows form project and it works great. so now I want it to run as a service.The problem i have is referring to "name" in my configuration string which is in app.config.
Dim settings As ConnectionStringSettings = _
ConfigurationManager.ConnectionStrings(Name)
(Name) is under-squiggled and message name is not declared, file IO functionality is available in the microsoft.visualbasic namespace.
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Mar 2, 2011
I have created a Windows service that acts as a server for my app on a mobile platform. Whenever a user sends a message to my app I process it . Now i Would like to send the message that the user sent to my server to an application. Something like SendMessage would be absolutely perfect But how do you fit a whole class into the Wparam and Lparam 's of a window message ?
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May 3, 2012
one of the apps that I wrote a couple months ago is getting to be rolled out to my production floor; one issue tho - It works great as a standard executable (you double-click, it starts and waits for data), however, I cannot get it to start as a system service.
I've already done a little bit of research for how to create a system service, but most of the information that I've come across is point to VC# or Visual Studio 2010 - I'm not finding much for VB 2010. Additionally, I'm only using VB 2010 Express and I'm pretty sure that I don't have the Windows Service application template's on my PC.
My application does have a "UI", but there isn't any user interaction; it starts and just sits minimized in the system tray polling a directory for the existence of a file - i.e. the windows form is not required.
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Jan 17, 2011
Since the coming of Windows7 at our office we have sometimes the issue that the print spool is crashing.Users don't have admin rights to restart the service so that leaves them only at restarting their computer as solution.Which costs alot of time... As we cannot find a final solution to this problem I've begin to write a small tool so they can restart it..I've only hard code a local admin account in the source for this operate for them..
[Code]...
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Jul 23, 2009
I am trying to communicate with a Windows service on a remote machine on the network but i keep getting an exception saying the following: "System.InvalidOperationException: Cannot open Service Control Manager on computer 'machine001'. This operation might require other priviledges. ---> System.ComponentModel.Win32Exception: Access is denied.
[Code]...
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Sep 18, 2009
Is it possible to have a dotnet windows service which monitor other services and upon stop of any service, the monitoring service would be able to start the stopped service.
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Jul 7, 2009
In the past I had the indexing service installed on a Windows Server 2003 and used it to index files for my website. I did this by executing an OleDbCommand with a query and a connection string.How do I accomplish the same thing with the new "Windows Search Service" (Windows Server 2008) by using VB.NET? Does this work the same way so that I only need to change the Provider name which has been "MSIDXS.1" up to now? Case true, what is the new Provider name?
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May 3, 2011
When you create a Windows Service, you create a list of the services you want to start. The default is this:
ServicesToRun = New System.ServiceProcess.ServiceBase() {New Service}
Can you have multiple instances of the same Service class (that bind to different addresses or ports), like this?
ServicesToRun = New System.ServiceProcess.ServiceBase() {New Service("Option1"), New Service("Option2")}
Or will that cause problems? Should we use two different classes instead?
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Jun 13, 2012
I am bit baffeled by this one but I am guessing its security reasons why its not working but just wanted to check. I have two applications installed, 1 Is a 3rd party app which uses an msi to install/uninstall and the 2nd is my windows service app and the point of my app is to act as an automatic updater for the 3rd party app.
[Code]...
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Mar 3, 2009
We have a server with multiple services written in .Net 1.1 and 3.5 running on a Win 2003 server. Everything runs fine, but when we stop a certain service, an unrelated service stops. I have checked and neither has any dependencies. The service we stop is in 3.5, and the unrelated service that incorrectly stops is in 1.1. We get no error messages, nor event log errors, so we are baffled.Does anyone have an idea as to what may be causing this?
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Nov 17, 2011
I am using this method to install windows service
processInstaller = New ServiceProcessInstaller()
serviceInstaller1 = New ServiceInstaller()
serviceInstaller2 = New ServiceInstaller()[code].....
How can I get the account name after whenever the service is started ?
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Jun 12, 2010
i was playing around with the visual basic 2008's project settings. I have 2 goals in mind
[Code]....
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Jan 4, 2006
I have read through the following page: [URL]
Now I have my application and an installer project, which can install my application. how to make my application auto-update (from my web server) like a smart client. I've looked into ClickOnce, but it does not appear to be suitable as I cannot do any custom installation steps. My application needs to create folders and copy other files from the CD to the hard drive, which I don't believe ClickOnce supports. On the other hand, the Windows Installer does not natively support any sort of auto-updating. So what do I do?
I have read that it is possible to combine both technologies, but all my research into this has turned up nothing of use.
I've looked into the Updater Application Block (Version 2.0), but I'm not sure if this is what I'm looking for? I'm using Visual Basic 2005 and I'm not sure if the Updater Application Block supports .NET v2.0. In fact, when I tried to install the Enterprise Library, it said I need .NET v1.1??? Even if this is a possible path, I'm really quite lost when reading through the documentation as nothing seems to point towards practical examples, especially in Visual Basic.
I've also had a look at the System.Deployment.ApplicationDeployment class, but it seems as though this only works with ClickOnce applications. However, since I can't seems to use ClickOnce in my situation, this does not seem like a viable option. Is it possible to use System.Deployment.ApplicationDeployment outside of a ClickOnce application?
I'm really quite lost as to how other people produce custom installing applications that have auto-updating features. Virtually every modern piece of software does it, but I cannot seem to find anything on the web that points me in the right direction of how to achieve this with Visual Basic 2005.
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Sep 26, 2009
I'm looking for a way for copying a VS application files via HTTP and TCP? I mean I have published my application and now I am trying to find something like ClickOnce application that copies my updated files from my website to the clients' centers through HTTP and then locally to end users through FTP. I need to a source code or something like that.
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Feb 24, 2012
I am currently facing an heavy struggle with architecturing my VB.Net app.To simplify, i'm using entries from XAML comboboxs, which all trigger OnChange the same routine which manages which Function(s) to use depending on which combobox triggered.The problem i'm facing is for example i have Function(ByVal A As String, ByVal B As Integer, ByVal C as Double, etc...), and it works if the routine calls explicitly for this function's result. But then if another combobox makes for example the variable B to change, then i have to add another "If sender= Then" check for this combobox and recall expicitly the function above (since B is one of its parameters)..In the end, my routine is loooooong like 24 checks with at least 4x duplicates of same functions..is there a simple way to make a Function autoexecute when one of its parameters change without having to be called explicitly by another routine ? (Like Excel formulas do when one of its references change)
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Feb 26, 2012
I wonder if it's possible to prevent Visual Studio (2010) from automatically updating code when I change control names? [code]...
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Feb 12, 2010
I have the following function
Private Function GetMD5(ByVal file As String) As String
Dim md5 As MD5CryptoServiceProvider = New MD5CryptoServiceProvider
Dim f As FileStream = New FileStream(file, FileMode.Open, FileAccess.Read, FileShare.Read, 8192)
md5.ComputeHash(f)
[code]....
It works fine, but when working with very large files on the network my users sometimes panic.I'd like to add a progress bar that updates based on the progress of the hashing through the file.So, my choice are either to manually create the hashing process, which I believe will be much slower,or somehow tap in to the position value of the filestream and use that to update a progress bar.I'd be happy to tap into the events of the MD5CryptoServiceProvider if I could, but I don't see anything there.I have searched the net to try to find an example and have only found code that works by reading line by line from the filestream, not from it being passed to another control/service.
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Jun 25, 2009
I am using a windows service and tried to copy some file as below,System.IO.File.Copy("Z:abc.txt", "C:helloworld.txt")Note: Z: is a map drive from another host in 1 LAN (same LAN)I got error, "Could not find a part of the path 'Z:abc.txt'."But when I tried it at a simple application using windows application, it works with the same code as above.
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Jul 14, 2005
Tried to write my first Windoes Service yesterday with a certain degree of success but I couldnt install it.Upon running teh Install programme in the command line I was presented with a 'Set Service Login' window with a User ID, Password and Confirm Password text box.I attempted to use my windows login credentials but the install failed and was rolled back.Im using a computer on a company network with Win2k?
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Mar 10, 2009
I've created a windows service and started a deployment project for it. I have the project installer class in the service project and I've added the "Standard output etc.." from the service project as custom actions for the Deployment Project. When I attempt to install it, I get the error "Specified service already exists", which shouldn't happen (even though the service does exist) because the installer should be removing the old service and installing the new one.
I've checked that the versions are different, and that the Product Code is also different, also RemovePreviousVersions is set to true. Can anyone tell me why it isn't uninstalling my old service when I update then install again? .S: MODS: DO NOT MARK MY POST AS ANSWERED, IT IS RUDE, YOU HAVE NO IDEA IF YOU'VE ANSWERED MY QUESTION!Sorry, it gets ignored in my signature.Mods
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