Creating Service App With FTP & Cmd Line Params?
Jun 23, 2010
My first post as an absolute last resort. In 8 years of programming, I have never posted to a programming forum and have always been able to wiggle my way out of any diffficult project...Until this project.Every step of this project is new for me (Windows service, ini file, IIS, FTP, cmd line params, comparing file specs programmatically, using a timer, and even VB.NET is still confusing to me after several years in VB6 ). Dreading posting b/c I have so many questions. I have finished the internet, been to the end and back. Found endless suggestions of code and links and forums and only gotten more lost in the process.
I am trying to create a VB.NET app, that most likely will need to be a service, for our external clients' PCs. These PCs are not connected to our network. This app will be invisible to the user and will need to perform several tasks including:
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Sep 19, 2011
I'm trying to start a process from a service (kind of an on-demand process) using the code bellow:
elproceso = New Process()
Dim informacion_inicio As New ProcessStartInfo(dataReader(2))
elproceso.StartInfo = informacion_inicio
elproceso.Start()
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May 13, 2010
I want to create some sort of method of creating a web service that will run automatically and run DB queries and some API calls which will then store data that I can use/call without taking the processing or time penalty of doing it every time a user access my web service. how to implement something like this
Using vb.net and ASP.net
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Jun 6, 2009
I've been following a tutorial on [url]...for creating a service using VB Express 2008. I got the first part working and managed to get the sample to install using InstallUtil, but the second part has you use a form with buttons to install and uninstall the service.
I'm wondering if there are instructions for installing the service from a command line so I could just change to a specific subdirectory and type "myservice /i" to install it or /u to uninstall it.
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Nov 4, 2010
I've spent alot of time digging thru the forums to research this problem, and to get the right code. I'm wondering now if this is a system configuration problem, or something else with my code.
Firstly, i'll tell you that i've already put the service account on my machine local security policy that says 'allow to act with/as operating system'.
Running this code from an application, it works just fine:
[Code]...
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Oct 23, 2008
how to write a web to connect SQL 2005 database by having the SQL sa password in the config in encrypted formatted.
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Nov 18, 2010
I cannot run Windows Services , I am getting error message "Cannot start Service from the command line or a debugger. A Windows Services must first be installed (using Installutil.exe) and then started with the ServerExplorer, Windows Services administrative tool or the NET START Command."
I have run the InstalluTil.exe and open the Visual Studio 2005 command prompt and run below command but still not working.
InstallUtil " D:\Khwathie\MyNewService\MyServ\MyServ\bin\Debug\MyService.exe".
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Jan 2, 2011
restart service like apache through command line or vb.net once in a while apache in my computer hang and I just got to restart that.
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Mar 9, 2009
I have a simple question that I can not figure out.I have a service (service.exe) that is running as SYSTEM.I want to be able to send this service command line arguments. How would I do this? I am not able to just service.exe /arg because the service is running as SYSTEM and I am logged in as an admin. Is there way?
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Apr 5, 2012
I thought that creating a simple system service under VB .NET would be a piece of cake. Boy, was I wrong. First, I find general postings through Google that say you should use the Windows.Forms.Timer. Then, I found conflicting information that says you have to derive the timer from a timer class through code to make it work. Then, people are reporting all sorts of trouble using the various types of threads available. I can't debug threads using the VS 2010 Just-in-Time debugger for obvious reasons (although, I don't know if there is an alternate method to doing this).My project is an application launcher (similar to cron) that will fire off periodically within a certain amount of seconds. I am trying to use the Process.Start() method. I have a Beep() function as the first instruction, and the Process.Start, along with a Process.WaitForExit method to make it block as the last instruction. I had my code doing this through timers, but now I am starting to use threads. No difference in execution. The over-ridden OnStart method does kick off (as I am certain through debugging), but nothing ever happens when starting the service in production, as if it were ignoring all my code. Putting loops and logic in the OnStart method yields a process that won't start. I know it is a threading issue, but I also know it must be mandatory to use threads. I am now dumbfounded as to how to make this work. I am curious to know the solution.
In addition to the service class, I have a ServiceInstaller and ProcessInstaller implemented that I copied verbatim from MSDN.Here is some of the code I am trying to work with. Note that this simply reflects the current state of my code in trying to implement the logic within a thread instead of a timer (which to me would be optimal):[code]
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May 1, 2011
I might be alone in this; but I was always under the impression that in .NET when you called a function you had to pass in values in the same order as the method.[code]I've ever seen just calls the method with the params in the correct order - is the named convention an old left-over from VB? If I were to use the := syntax in all my method calls, would people laugh during my next code review?
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Aug 17, 2009
I have a old vb6 application I maintain,that has the settings in a separate xml file.
But now I have to move those "inside" (to remove the xml, don't ask why :) ).
What would be best place/"paradigm" for such
settings to be handled in vb6 Like database connections, general parameters. Also to be easy to change it, u know what I mean. I just searched on the web but until now could not find it. Of course it is easy to hard code the ones for the moment
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Apr 20, 2010
I'm having an issue with an application suite I'm developing. The bulk of the work is done in a backend dll that relies heavily on delegate subs in the different apps.
The problem I'm having is, I have a lot of these delegates typed to require a parameter. (eg, Public Delegate Sub DelTypeA(ByRef param As Object)). The individual methods will have a DelTypeA as one of their params, and I will pass it AddressOf functionA that has that signature.
This works fine for strong typing as long as the signature is something incorrect (2 params, a byval instead of a byref). But if functionA has NO params, the delegate is still created!
This works fine if I genuinely don't need to use a param, eg if the sub is simpler and I would have ignored the param anyway. But I want the strong typing to work here.
EDIT: I should add that invoking the delegate also works fine for simpler subs; the param is just not passed because it had nowhere to go. But I want to force all the subs to match the signature and do their own ignoring of the param
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Jun 2, 2010
[code]...
Is there any issues with this? If I'm kicking off half a dozen threads over and over? ie: I'm not using a system where the parameters will get mixed up/corrupted?
I've looked around, and if this is OK/safe to use, this seems the easiest way to get values/params into a thread.
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Jan 11, 2009
I was going over the Screen Saver Tutorial for VB Express 2005 and i Noticed How the Screen Saver app excepts params at startup... and depending on the startup param it will display the screen saver or the options form... lets say that i want to start up a screen saver from my program, how would i send it to the screen saver to display the options form the param is "/p" or something.
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Dec 2, 2011
What I am looking to do is write a VB.NET program, as a service that reports anything on client1 that I want (say the fact it is online) to a database on the internet, so I can look on management1 and see the online status of the machine (assuming management1 has a connection to the online database).
What is being reported doesn't matter, what I am looking at is a starting point to create a system like that. I have googled obviously and come up with nothing, I'd just like a "starting point" or some documentation to look at for creating something like this. The service doesn't look too difficult but the periodic reporting of online status or ANYTHING to any kind of database is not something I am sure how to deal with.
I already have setup a VBS that reports information to an ASP script that then places it in a database but I don't know how I would create say a "keep alive" connection for a vb.net service.
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Dec 23, 2009
Finding the documentation on windows API's for use with visual basic? I used to use API guide until they stopped updating it in 2002. All I need is the api name as well as the list of parameters in order to use the API's functions.
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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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Jan 10, 2011
are there any tutorials on DIC or other programming websites for Creating a line graph on VB.NET
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Apr 6, 2011
I'm trying to convert the C# code from this webpage to VB.Everything seems to have converted pretty much fine using an online converter tool, but then I reach the following line:
fadeOutAnimation.Completed += (sender, args) => OnFadeOutAnimationCompleted(d, hostGrid, grid);
The fadeOutAnimation.Completed event produces an event with the signature (sender, args), and d, hostGrid and grid are variables local to the function containing this mysterious event handler assignment.
I think I can see that the instruction on this C# line is telling the code to execute the OnFadeOutAnimationCompleted function, using d, hostgrid and grid as parameters, when fadeoutAnimation.Completed occurs, but I have no idea what to even search for in order to replicate this behaviour in VB.net.
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Oct 21, 2010
I'm converting some RDO code to ODBC Provider code in .NET.The problem is parameter names were not specified in the orignal code, but param values were retrieved by parameter name after the command was executed.Is there anyway to have parameter names populated by the provider once the command is executed so calling code can access params by name.Let me show you an example of the declaration of param and accessing of it.
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You can now see how this "used to work in RDO/VB". For some reason it would accept this and know what the param names were after execution. I imagine it had to do another round trip to the db to get this info.
Is there anyway to mimic this behaviour in .NET for ODBC Provider (using Oracle)? Or am I stuck manually specifying the param names in the code (I understand this is the better option, but wondering what the alternative is to match the original code as closely as possible).
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Jan 6, 2009
I am trying to create a text file with more than line, but its not quite working. I am new to programming, so I dont know what everything is yet (but I am learning).
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Apr 4, 2010
I'm looking for some assistance on creating a line graph in VB 2008. Not sure where to start. Can some one here point me to the right direction?
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Sep 24, 2009
I would like to pull a set of records in a SQL sproc by passing in a list of system.guid and also by passing in a list of integer keys.I can put the guids ihto a string, of course, but the question is - how do I quote the test values so they are recognized as UIDs by SQLIn essence I was to DECLARE @pklist AS VARCHAR(1000)-- This would look like "'45F4AE2A-D27C-D711-83FD-0008C7FA9683','EC824D02-D37C-D711-83FD-0008C7FA9683','BA8E4D02-D37C-D711-83FD-0008C7FA9683'" coming out of the execsql from vb .net - I think :-) but it seems it needs to look likeSET @pklist = '45F4AE2A-D27C-D711-83FD-0008C7FA9683,EC824D02-D37C-D711-83FD-0008C7FA9683,BA8E4D02-D37C-D711-83FD-0008C7FA9683'SELECT * from dbo.members WHERE members.cpk IN (@pklist)This only returns the record matching the first UID in the string. Is there something I can wrap a t-sql VARCHAR string with so each guid will be seen distinctly?In trying to do this with a list of integer keys, the problem is the value is seen as part of a string and is not cast to an integerIt would seem creating a table from a parsed version of the string passed in and then doing a JOIN would accomplish what I need as well, but struggling with the T-SQL syntax for that.
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Dec 16, 2011
Im considering making my own command line interface with custom commands etc. I was thinking the following objects would be sufficient:
Textbox - for input
Rich text box - for showing processes and output
Button - to insert input
If it can be done, how can I provide line breaks in the output on the rich textbox e.g.
line1: input instruction
Line2: <cp><textfile.txt>
Line3: I/O error, file not found, check file root.
My version of CLI will have no integration with the windows CMD.
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Jul 18, 2012
I am trying to create a gui that will interact with an existing external console application, e.g. the user only changes information in text boxes or radio buttons and that will prompt the VB.net program to sumbit a certain set of commands. I will create a folder for the end user that has only two programs in it, the VB.exe and the OtherProgram.exe. I have tried using ProcessStart with SendKeys to send information to the terminal with limited success (errors include multiple instances opening, entering "ttttttteeeeeeexxxxxxtttttt" instead of "text") and also Shell(OtherProgram.exe) and SendKeys with the same result.
I am trying to make an easier experience for using a legacy Fortran.exe program rather than every user going though the command prompts in the terminal window.
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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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Apr 24, 2010
I know how to call a simple old fashion asmx webservice webthod that returns a single value as a function return result. But what if I want to return multiple output params? My current approach is to separate the params by a dividing character and parse them on teh client. Is there a better way.
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Sep 21, 2010
Command Line Project:Export crystal report to file in pdf/excel/word format & optionally email it.Command line args incl input parameters for the crystal report.VB6 being converted to VB.net using Visual Basic 2005 Express Edition.Creator has since left & I need to fix/edit the application.Having problems... when call Export, CR params dialog box pops up awaiting user input (& params not set properly), dont want this to popup.
Code:
Imports CrystalDecisions.CrystalReports.Engine
Imports CrystalDecisions.Shared
Dim objReport As New ReportDocument
[code]....
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Aug 16, 2010
Under the MouseLeftButtonUp event handker store the first coordinates of the lines second endpoint. Then call the length method to obtain the distance between the two endpoints(the lines length). Fianlly display the line on the canvas and the line's length in the Length=Label. Below is the code I have so far. There are no errors, but when I run the application nothing happens.
Private Sub lineCanvas_MouseLeftButtonUp(ByVal sender As Object, ByVal e As System.Windows.Input.MouseButtonEventArg... Handles lineCanvas.MouseLeftButtonUp
Dim distance As Double
endPoint = e.GetPosition(lineCanvas)
[Code].....
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