explain what is the difference between worker process,application pool and application domain?or application domain and application pool are same?
View 2 RepliesHow can I set an application pool to 32bit in IIS7 when creating it?I'm creating the app pool with the below function
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i want to assign a virtual directory to application pool using vb.net.how to do this programatically in vs 2008.
View 11 RepliesI am having an issue with an ASP.Net page I am writing and struggling to diagnose why this page is failing.
I am trying to do this:
Dim st As New StringWriter()
Dim strURL As String = "CourseProgramme.aspx?id=3733"
Context.Server.Execute(strURL, st)
txtNotes.Text = st.ToString()
The aim here is to get the HTML back for the page that has been specified in strURL and then display it in a textbox. However when I run this code it crashes the ApplicationPool in IIS and when I look in event viewer I see this error message:
A process serving application pool 'blueprintdev' suffered a fatal communication error with the Windows Process Activation Service. The process id was '5284'. The data field contains the error number.The strange thing here is that in another page I do this code which works fine:
Dim strDutyStartDate As Date
strDutyStartDate = TextboxDutyStartDate.Text
Dim st As New StringWriter()
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As far as I can see other than the URL I am passing, which does exist, I cannot see a difference between the two.The page I am developing is in ASP.Net with .Net 4.0 however in the website there are some classic ASP pages. IIS is running at version 7.5.7600.16385 on Windows Server 2008 R2 64Bit.So far I have tried setting the application pool to run in 32bit mode but that causes errors in other areas and the site will not load.
What is the difference between window form application and WPF application?Also i want to know about WPF application.
View 3 RepliesI am looking for a VB.net book that strings me through the entire development process of an application (Prefered: WPF ,LINQ ,ADO). I have read a few books on OOP and VB.net with small code samples demonstrating the specific idea of the chapter.I think it would be really helpful if there was a book that programmed an entire application that uses a sql database (Northwind , Adventureworks).
View 1 RepliesI'm using Process.Start method to launch another application from my application. Until today, there was no problem. But I have tested my application in a different OS, Windows XP (SP3), and my application didn't work right on that. I'm also using arguments to run that application. I guess for some reason my application couldn't send arguments to other application correctly under Windows XP. Maybe it is related to my code. But you should know, it works great on Windows 7.
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Am using vb.net windows application.Application containing one process with for and while loops.When i click on stop button then it should stop processing and it should losd gui.
View 5 Replieshow to re-write my application (http:[url]....) to be multi-threaded using the background worker. The use case is something like:
1. User opens a binary file, it can be several Gbytes in size so reading it into memory isn't practical.
2. User can then navigate through the file in 188byte chunks, data is read from disk, decoded, and displayed for each chunk in turn.
3. User may want to search for some data or build a report. This will involve repeating the read, decode, display, function multiple times. During this looping the GUI stops responding and there is no option to cancel so I want to make it multi-threaded. So, is it safe to open the file in the GUI thread and then read from the file in the background thread? I currently use something like this to open the file once:
Dim fi As New FileInfo(filepath)
fs = fi.OpenRead()
and then in a separate sub multiple calls to:[code]..........
my code caused "Application pool exceeded its job limit settings"when doing bulk update.My hosting provider told me that my code caused memory exceeded its limit.
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I'm using a background worker to in an Excel VSTO application to throw up a progress dialog box with a status bar and a cancel button to escape from long running calculations. It's working really well, except for one issue. I'd like to use a Modal Dialog, so that the UI behind the dialog gets locked up, instead of a Modeless Dialog. If I use .ShowDialog() instead of .Show(), everything is great until you hit the Cancel button on the form. Following things in the debugger, the cancellation happens, it just takes somewhere in range of 30 seconds. If I use .Show() on my form, then the cancellation occurs immediately as it should.
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what is difference between window-application And web-application?
View 4 RepliesI've got a WPF application (the WPF part shouldn't make a difference i don't believe).
It loads fine, however whenever I click into a textbox it crashes.
What could be the problem? how can I troubleshoot this?
a small question: what is the difference between sync and async connections in a tcp/ip client/server application?
View 1 RepliesI was studying visual basic 2008 and had reached almost 60% of it when I was told that my course curriculum included visual basic 2005. I will now have to reinstall visual basic 2005(.net framework 2) instead of visual basic 2008(3.5 .net framework). I was wondering- will it be completely different vb2005 and vb2008? I really wanted to stick to vb2008, I was getting the hang of it. Also, I was wondering, can I run my application vb2008 in .net framework? Is there any way around? Also, I used advanced installer to build a setup file for my application? Now the question is will the other computer(the one which will install from the set up) need .net framework of 3.5(since I built apps in vb2008)?
View 1 RepliesI have access to the source code of a previously created app that work's as designed, but i am looking to update it for further enhance its ability. The change required may be simple in thought and also in design.Basically the app allows you to read in a data file a confirm the data file is in the correct format.Details fo the data file. All lines of the file are 120 characters long. If they are not then there will be an error returned. The fields within the lines have different properties and vaules and the validation on these fileds and lines work perfectly.
1. The first line of the file is always known as a descriptive ( header record ).
2. The next line will outline a detail record. The could be hundreds of these lines.
3. Finally there is a file total record.
A file could be four lines in total or 40000 lines in total. As mentioned the app works when there is one header and total record.I am looking to see if it can be modified.My intention is to merge multiple data files into a single file. There in lies the problem. There is a line in the code as per below.
Do While Not EOF(1)
As far as i can tell this means to go to the end of the file. When there are more than on set of data , there are errors messages generated because the code is looking only for one set of header and trailer records. As mentioned when there is one set of header total records , the apps will validate the file and return any error messages.What i think i need to do is insert another loop/s that say's read data between the header record and the trailer record , if there are any errors display it , then go to the next header / trailer records and display and errors , and continue to do so until you reach then EOF.
Header
Detail
Detail
Total
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I want to add a process to my application, the process should be started to listen some events when the application run. I searched in Internet, and I didn't find answers... Some people said that could use "Application.Run", but I didn't find this function in VB.NET project.
View 1 RepliesWhen a button is clicked,my program gets the list of all Drives on a current computer.Then I use String.Concat to merge the drive letter and the rest of the path.So I get something like: "C:" + "somefoldersomefile.some_extension"That creates a full path to a file I am looking for.Then I check if that file exists.If it doesn't exist,I use Process.Start to run the setup file(to install the program I need).It works well and installs the program I need.I want my application,after the installation is finished,to check again if the program is installed and ofcourse confirm that it is.
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim DriveList As String() = Directory.GetLogicalDrives()
Dim Drive, FullPath, Path1 As String
Dim EmptyDrives As Integer
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myProcess = Process.Start("something.exe")nd want to start it using button it doen not find the file - i need to execute it from the same folder where application is how can i do that?
View 3 RepliesI am trying to set up an application process to run an executable, which I include in the project's installation directory, and pass it the necessary parameters; however, I am running into issues as it doesn't appear to be doing anything at all.
Here is what I have:
I define the Process As
Private WithEvents conversionProc As New System.Diagnostics.Process
Then I setup the arugments and the process start info as follows:
Dim ogrDirectory As String
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We have an application that allows custom UI and interaction via SDK. A DLL is developed for this purpose using VB.Net and the SDK. An object variable refers to the application and there are some other object variables for components within the application.
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I'm having troubles with terminating an application. When I close the main form everything disappears but the process remains active. I think I know the cause, a certain activeX component will not release properly. As soon as I create one, I can't close normally...
dim someActiveXcomponent = new X()
...
<formClosing>
someActiveXcomponent = nothing
GC.Collect()
GC.WaitForPendingFinalizers ' here it hangs
Probably a bug in that component, but the problem is that I don't have much of a choice, I'll have to use that component for now.
Calling
System.Runtime.InteropServices.Marshal.ReleaseComO bject( myObject )
will kill the reference and now the application closes properly.
I have a vb application(1) which is made to launch another software(2) with specified parameters, but i wanna keep my application opened as long as the 2nd one is opened too, and I also want to close the second one automatically if mine has been force closed by the user in windows taskmanager, on the desktop, or in any way.
So I need something which detects if windows is closing the program and kill the second application auto.
I would like to avoid the task manager block, because that isn't necessary for this i guess.
Process.Start("<pathname>") works fine. But I need to open the file inside my application alone. Is that possible? If so How??
View 1 RepliesI published my ap, and installed it on my pc. Now, I run it and it works great, however when I close it the .exe doesn't end...
View 3 RepliesI have a (in my eyes) complicated issue. I need to process a Word document and print it with an ASP.NET application. There will be certain variables in the document. We would like to indicate these between brackets, i.e. {name}.
Is it possible to fill up these variables before printing? In what direction should I look?
How can I set focus on other application based on process name in VB2010?
What I can do now is set focus on other application based on windows name using FindWindow then use SetForegroundWindow. Below is what I currently have[code]...
The problem is that FindWindow need exact windows name to works and I don't always know the exact name. (Because my program open up different website that the user enter, so I have no control over they site they open). So is there anyway that I can set focus using the process name instead? (in this case firefox.exe)
I am having this IOException error in my VB Console application i created. Following is the code and the exception is occuring on the highlighted line. If anyone has any pointers or suggestion to solving this problem, please let me know.
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I am creating an application for learning purposes. I am using this: process.start("iexplore.exe"); That is working fine. However I would like to be able to tell when the page has been loaded all the way. I would like to know how to tell if the application is done processing or not, that is my main goal. If using the webbrowser control you can use the webbrowser documentcompleted event.
View 10 RepliesI have an application that starts one of two external CAD applications depending upon the extension of a file in a ListView. I have been able to start up the application to view the file selected without a problem. I also have a seperate print click event for printing the file that opens the viewer application in the background and prints the file. This works perfectly for one of the CAD viewers but when I select a file that requires the other viewer application to print I get a Win32 exception and an error message stating that the file is not associated with any application and it cannot be opened. This of course is rediculous as it opens fine in the "View File" click event that opens the viewer to check the drawing.
One rather strange observation is that the CAD viewer that does print the associated file will launch the other CAD viewer application (that is associated with the other file extensions) when the "View" click event is handled even though I had not incuded the code to execute the process to start the viewer for that type of file. I realize this rather convoluted and may lie in the ProcessStartInfo arguments that I pass to the application.
Here's a code snippet:
Private Sub PrintFinGoods_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles PrintFinGoods.Click
Dim message As String = "No application is associated with file"
Dim source_exception As New Exception
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