So I have this Windows service created in VB.Net, and all it does is perform a few calls and sits there.I have it installed on a test machine and when I start it manually, it starts up. When I stop manually, shuts down properly (onStop is called).When I start it, and reboot the machine, the service starts like it should, but when I log in, the service isn't running anymore and the onStop never showed up as being executed.I installed the service with admin privileges, so that shouldn't be an issue.Here is what I have:
Sub New()
' This call is required by the Windows Form Designer.
InitializeComponent()[code].....
I'm new to Windows services, so I may be doing something stupid, I have created 1 before though so I'm not completely in the dark. I'm creating a new Windows Service project from the template, following an MSDN article on how to do so (cross referenced with serveral others). Acording to it the template should be setting up a region " Component Designer generated code " which should contain code. However the entire contents of the code page is:
I have a WCF service being hosted in a Windows Service (using techniques discussed here) and it works great. I'm now writing a (VB.Net) frontend app that needs to call that service, but I don't want my users having to fiddle around with the services snap-in and starting the service manually. Can I write some code to ensure the Windows Service is started, or start it if it isn't?
Edit: OF course, I can ensure the Service startup is set to automatic, but it doesn't need to be running all the time, and even then the frontend app still needs to be sure the service is running and start it if it isn't.
I have developed several Windows Services applications which all use SQL server. In some occasions, the customer shuts down the server and then restarts it the following morning. But then, my service is started BEFORE SQL Server starts and, of course, fails.
I have created a windows service in Visual Studio. I also have an installer project that I have written. How can I register the Windows service manually when the user installs the application because simply copying the executable onto the target machine is not enough.
All, I have a Custom object which I have written using VB.NET (.net 2.0). The object instantiates its own threading.timer object and carries out a number of background process including periodic interrogation of an oracle database and delivery of emails via smtp according to data detected in the database. The following is the code implemented in the windows service class [Code].
After a little bit of experimentation I arrived at the above code in the OnStart method. All functionality passed testing when deployed from VS2005 on my development PC, however when deployed on a true target machine, the service would not start and responds with the following message: "The service on local computer started and then stopped..." Am I going about this the correct way? If not how can I best implement my incident manager within the confines of the Windows Service class. It seems pointless to implement a timer for the incident-manager because this already implements its own timer.
Create a class named Service. Inside the Service class, declare a class variable named Started. The datatype of this variable is Boolean.Public Class Service Dim started as Boolean End Class Create a class named Server. Inside the Server class, declare a dynamic array that can contain elements of the type Service.(Note: For convenience, both the array and the variable Started can be accessible from a client program that creates an instance of Server and Service respectively)
Create a constructor for the Service class. When the constructor is executed, it will set the value of the class variable Started to True. Create two new classes: WebServer and DatabaseEngine. Both of these classes inherit from the class Service. Inside the Service class, declare a Sub procedure (method) named Terminate. This method should display the following text Service stopping in a message box when executed.This method can be overridden in classes that inherit from Service class.
Inside both the WebServer and DatabaseEngine class, override the method Terminate inherited from their base class Service. Both methods should first call the base class Terminate method. The messages Web server stopping and Database engine stopping should also be displayed in a message box when the Terminate method for the WebServer and DatabaseEngine are called respectively. These messages should only be displayed if the Started variable inherited from their base class is not equal to False.
Inside the Server class, declare a method named Shutdown. This method does not return any value. When executed, it will call the Terminate method for each of the Service instances (if any) in the arrServices array. You should call the Terminate method within a For Each loop that loops through the elements of the arrServices array.
In the Sub Main method, create an instance of the class Server. Set the size of the arrServices array in your Server instance to contain 2 elements. Create first a WebServer instance and then a DatabaseEngine instance into this array. Call the Shutdown method from your Server instance.
Every 90 minutes a Microsoft Search Server hits a particular (spider) page which calls the code to put the objects into the cache.The issue i have is that over a period of time, the memory usage of the application grows exponentially. Lets say that in a week, the memory usage of the application pool grows to over 1gb
I am making a small bill manager program. I have setup a listview and I am using access db. Things are working great and when I pay a bill it enters in the database perfect, but when it is shown in the listview it shows the date plus the time. Why does it show correct in the database and not in the listview? I tried using .ToShortDateString instead .ToString but then it just tells me it doesn't like late binding.
I have a form in vb.net with a checkbox and I want it to stay in top of other windows if the user checks the checkbox and not to stay in top of other windows when the checkbox is not checked
Windows Forms VB Application.. I added a splashScreen to my application. And it was flashing only for a second then going away so I added a sleep timer to my Form Load event... The problem is now the splashScreen stays open even After Application exits, instead of simply closing at the end of the sleeptimer.. The Part of the Form Load event that is causing this is as follows:
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Me.Load Threading.Thread.Sleep(5000)
i am trying to understand how to keep my console app open even after it gathers data and sends it off. I am converting a GUI to the console app. It has a timer that fires the sub every 20 seconds. But it doesnt seem like it works in the console app since after it fires off the sub it closes the app without waiting.
I have a listview control setup with full row select. When I select a row and then tab to the next control, the selected row is no longer selected visually. Is there any way to keep it marked so the use knows which row they selected even when the focus is on another control?
I have a parent MDI form and several MDI children. All have menustrips and toolstrips. The merging of the menustrips was no problem at all but I'm trying to do the same thing for the toolstrips, but now it's a no go. The toolstrips are staying separated. Is it possible to merge toolstrips?
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.
I have a VB2008 application which can control a windows service i.e. start, stop, pause etc. This runs ok on a Windows XP machine but not on a Win 7 machine (message is - Service error cannot open <service name> service on computer '.') ( if I stop the UAC then it runs ok ). It seems to be a rights issue,
I have a problem with a certain panel in another panel.
I have declared a panel on my mainform that is called panel1 ( dock: fill)
In this panel is another panel ( panelmain )with size 10.000, 10.000 pixels. Now I put the auto scroll property of panel1 to true, so then the panel1 has scrollbars on both sides and can show the whole panelmain.
Now the user has the ability to zoom, which basically means that I just scale Panelmain with all it's child controls.
Like Panelmain.Scale(0.95) ( To zoom out ) And panelmain.scale( 1.05) ( To zoom in)
This works well, but when the user is using the scrollbars in panel1 and after that zooms in ( or out ) the location of panelmain is changing. So I tried to solve this by docking panelmain inside panel1 at the left. But now the vertical scrollbar is gone. how I should dock panalemain inside panel1 to prevent panelmain from moving around but also in a way that both the horizontal as the vertical scrollbar are present?
I got this warning that I don't know what it means.Warning1 The service System.ComponentModel.Design.IInheritanceService already exists in the service container.Parameter name: serviceType00
Waaaaay back in 2003 I took a course called "Programming with the Microsoft .NET Framework (Microsoft Visual Basic .NET)" Then I attempted for the next year to get approval to take more courses, failed, and eventually gave up. Now, I'm being asked to write applications using VS 2008. I have, of course, forgotten everything I learned 6+ years ago, plus I'm sure things have changed. Plus we still don't have money for me to take any courses. my question to you is: can you recommend a free website, or a book I might find in my local library, that will give me a kick start into writing VB windows applications (database driven) and/or ASP.NET applications (also very database driven). I'm proficient in VB 3, 5, and 6, along with ASP classic using VBScript.... I just have forgotten pretty much everything I once might have known about .NET.
im new to this forum and to VB.NET, however over the next year I think I won't be getting a placement so I want to get as much programming experience as possible. I would basically like to learn VB.NET. Does anyone know a good site to explain its concepts and a compiler for it, which is compatible with a MAC.
Im sorry if you think this is a waste of space for asking but I'd rather download something recommended by people who frequently use VB.NET.
btw any tutorials out there on how to create database with vb.net with mssql just to let me get started, i was hoping for a simple db to practice on like id,name. ive made db with php and mysql but vb.net is a bit far from php and mysql though the concept is the same..
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.
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.
This is a bit of unusual problem that I'm experiencing, but recently one of the users of a production application started reporting errors in the system. These were traced to a 503 Service Unavailable error when making a call to a web service used by the application.
Now here's the odd part, only the one user is affected by this issue. Other users of the application have not reported any errors. When the user logged on to a different machine that worked for another user, they still received the error.
i was trying to make my service act dynamically... i have set time for my service about for 2 min ,if suppose it was doin huge amount of work means it will exceeds that 2 min time limit then we need to check the service condition if work is pending means we need to run that instance until upto finish.
public static void StartService(string serviceName, int timeoutMilliseconds) { ServiceController service = new ServiceController(serviceName);[code]............
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?
