Display Computation Process On VB?
Jan 28, 2009How to display computation process on VB 2008 form?
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Age Computation Using Datetimepicker?
Jun 21, 2010How can I get the value of the year, month and/or day from the DateTimePicker if I'm trying to compute for the age? I've tried
Dim x As String = ""
x = Date.FromOADate(Val(DateTimePicker1.ToString))
MsgBox(x)
But it only gave me 12:00 AM.
and
DateDiff(DateInterval.Year, DateTimePicker1, Now.Date)
This time it said datetimepicker1 cannot be converted to date.
Computation Of Tax For Payroll System
Oct 6, 2011I am working on program in vb2008 and facing problem in making a PAYROLL SYSTEM.. well, I've done some of its parts and functions but the main part of it is still unsolved -- the computation of tax!! our boss want that when you input a basic monthly salary, the semisalary will be computed.. minus the sss, pag-ibig and philhealth.. then the tax will be computed but also depending on the number of dependents the employee have...
Code:
Private Sub semiSalary_click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles semiSalary.Click
If basicSalary.Text = "" Then
MsgBox("Please enter a salary.", MsgBoxStyle.Exclamation, "Invalid")
Else
Dim result2 As Double
[Code] .....
What I've done is that I'm trying to display those values when the the textbox corresponding to it was clicked. We get each value in our database stored on textboxes from the formtables of sss & philhealth.
Attached image(s)
Fuction In Sql - Have A Computation On The Table?
Aug 28, 2009[code]...
i would like to have a computation on the table (in sql) im creating en example computation:
Dim FiKg As Integer = ((txtFeNum.Text * txtFiFe.Text + txtMaNum.Text * txtFiMa.Text) * 7 / 1000)
Dim FemaleNum As String = txtFeNum.Text
Dim MaleNum As String = txtMaNum.Text
[code]...
Insert Command With Computation
Jun 22, 2010i'm still developing my project bout evaluation of employees. I'm using the code below,I want to multiply the values of the two specific row/column inside my datatable and then insert the product in the KPIGRDEQUI field in the KWEEKDTL table.Is it possible to be done?
[Code]...
Inserting Computation In Sql Table Using .net?
Aug 29, 2009for example i have this table
x ! y ! z ! Result !
54 ! 12 ! 5 ! !
54 came from --> Textbox1.Text
12 came from --> Textbox2.Text
5 came from --> Textbox3.Text
and i will display the result at row rowResult
[Code]...
Computation Error Variable Double
Jul 2, 2011im having a simple computation problem here....
[Code]....
VS 2010 Book Penalty Computation?
Mar 23, 2012I have a 2 DateTimePicker on my design.1 DateTimePicker for Due Date and another 1 DateTimePicker for Date Returned. Now I would like to automatically compute for penalty which is 24 per day just clicking on the Date Returned's DateTimePicker.For example,A student borrowed a book today and the librarian assigned the due date when to return it.
Take note, the date today is 03/23/2012.and the librarian assigned a due date into 03/25/2012 (the exact date when the student should return it).When the student attempts to return the book at 03/28/2012, and the librarian clicks on the Date Returned's DateTimePicker, the penalty will show as 72 and so on and so for.So I am asking on the codes or tips on how should i do it to make this things work?
Loop Computation Time Increases Dramatically With Small Change
Apr 3, 2012I recently made a change to the code within a loop in my code, and now when I run the code through Visual Studio 2010 Express, the loop runs about 10x slower than the previous loop.I did not make any significant changes (to my knowledge) to the code within the loop.I made the change so that the loop could handle various conditions I imposed in another section of the code.I know that it is this loop that is slowing everything down because I report the loop progress on my form.[code]I feel like my changed code should run better, but it doesn't.I know that my code is not written very efficiently (and feel free to comment on ways to improve it), but my main concern is the significant increase in computation time that resulted from my changes.The loop above is the main block of code within the Sub, which is run via a thread.In my tests, it is the only thread running at that time.Everything works, and the computation yields the correct result, but takes 10x longer than previously. Additionally, the number of iterations does not increase.So the new code isn't iterating excessively, it is simply taking much longer to compute within each iteration.
View 19 RepliesVS 2010 Signed And Unsigned Integer NOT: For Hex File Checksum Computation?
Feb 22, 2012I have been trying to compute the checksum for a line of hex code. This is to create a hex file which will be loaded onto an embedded micro.Some of you guys may not know how this is done so very briefly:
a line of hex bytes:
: 10 01 00 00 21 46 01 36 01 21 47 01 36 00 7E FE 09 D2 19 01 40
The underlined bytes are taken and summed. (in this case the decimal 960). and the bold is the checksum Only the 8LSB (or single least significant byte) is needed to compute the checksum... which in this case, 960 = 03C0 in hex, so only C0 is needed.Two's complement is then taken:
step 1) logical not of C0 which is
step 2) add one (integer)
BIN...........DEC...HEX
[code]....
So here is the code I have been using: (quick mention that in the string passed, the hex bytes are all grouped together, there are no space characters)
Public Sub CreateLine(ByVal Data As String)
'Dim BDataArray(DataLength) As Byte
Dim IDataArray(Data.Length) As Integer
[code]....
where i get into trouble is where i commented 'i get into trouble'. My code works, but it's rather crude Now, in that line i first convert the hex value (string) "SChecksum" into an integer. I want to NOT this, so I get my step 2 from my explanation. However, the results appears to be a signed logical NOT. which gives me the wrong answer. My hashed togther version simply subtracts 256 before the not, in order to give me the correct answer.
Basically, I would love for someone to chime in and point out the flaws in my function, and push me towards figuring out the 'proper' way of doing this. Also I can't quite wrap my head around what would happen in the case a string were passed to my function that is over 16 bits, but I imagine I would have to subtract a larger value than 256, before doing the NOT in this case?(whilst we're on the subject of functions, I've used a 'sub', in which case should I used a sub, and which case should I use a function?).
Display All Process In A Listbox?
Jan 11, 2010how can i display all my process in a listbox , and close a process from selecting it from the listbox ?
View 7 RepliesForms :: Display Progress Bar While Executing Dos Process?
Jul 2, 2009hat i am trying to accomplish is execute a dos command with the following
frmStatusBar.Show()
' Set start information.
Dim start_info As New ProcessStartInfo(sOutput)
[code].....
[2008] Display The Process Name When Parse A File?
Mar 16, 2009I am parsing many files after I click the button.I want to display the process name when I parse a file. So I am going to display it as
Label3.Text = "Parsing File " + FileName
The problem is the screen is freeze if too many files will be parsed. So designing an event to display the file name that is processed is a good idea. But I haven't any experence on it.
Private Sub ExtractButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ExtractButton.Click
Dim saveFilein As String
Dim FileName As String
[code]....
Display A Modal Msgbox When Called From A Separate Thread Process?
May 14, 2010I'm using VB.net 2005, .net framework 2.0
I'm currently having a form that has a button starting a long process, with feedback into another windows textbox (call frmProcessLog).
I'm using a Background worker to laucnh the process, upgrade the status of the process and display feedback on the frmProcessLog textbox, and to know when the thread process ended up, (from the cancel button, from an error or normal termination).
the main thread process has some msgbox in it, asking questions to the operator (yes/no/cancel).
I've added the msgboxstyle.systemmodal to the msgbox call which works "ok" excpet if the operator decide to ignore the showing message box and click the cancel button on the frmProcessLog form, which is still clickable even though I supplied "systemModal" to the msgbox. this makes the msgbox hidden behind the frmProcesslog form and the process can still continue.
If I close my frmProcessLog form, I will see the previously msgbox behind it and If I end up click one of the button it will end up at an application error because the thread that called it is not existing anymore.
So I would like that the msgbox to be launched from the thread making it as if it was launched from my frmProcessLog window in a modal way.
VS 2005 Windows Services - Process Is Listed As A SYSTEM Process Rather Than A Process Under User Name
Jun 4, 2009I have written a windows service that is meant to launch a notepad when a specific action happens. The problem i have is that even though the service launches notepad, the actual notepad it self is NOT visible. I know that it has been launced because i can see the process in the task manager. By the way the process is listed as a SYSTEM process rather than a process under my user name (i believe that is because my process is a "LocalSystem" one).
View 4 RepliesJquery - Display A Loading Gif While A Database Call Process On The First Page Load?
Oct 13, 2009So I'm new to Ajax. I have an ASP.NET wizard panel wrapped in an ASP Ajax UpdatePanel. The Ajax is working well, with the page doing partial updates as you step through the wizard. I'm even firing an animated gif images using the unblockUI.js jQuery library to prevent multiple page submits.
[Code]...
C++ - In What Form An Void Pointer Can Be Sent Via Pipe To Another Process In A Different Process Address Space
Mar 23, 2012I want my vb.net dll to get the data sent from c++ project(exe).Can any body help on in what form this void pointer can be sent via pipe. The void pointer corresponds to enums or structures. I have to get this structures/enums on the vb.net dll end. I have mentioned about using pipe. My question is as what type the pointed to data can be send over the pipe so that I can easily handle the received data at the vb.net dll end.
View 1 RepliesWrite A Little Program That Checks For A Process - ,,Cheat Engine" Is Running The Process Is Getting Killed?
Oct 13, 2009i am trying to write a little program that checks for a process and kills is.here is the
Dim p As Process = Process.GetProcessesByName("Cheat Engine")(0)
p.CloseMainWindow()[code]...
My problem is it�s woking ,yes if the programm ,,Cheat Engine" is running the process is getting killed.But if the program is not running my program crashes.
C# - System.Diagnostics.Process From ManagementBaseObject - Executing A Remote Process Using WMI
Sep 9, 2011I'm executing a remote process using WMI and would like to redirect the StandardOutput of that process back to my program. I have found these code examples:
[Code]...
Error - The Process Cannot Access The File 'C:UsersdavidDesktopTest Folderdavid 2.xml' Because It Is Being Used By Another Process
Sep 1, 2009I am getting an error with this code.
The process cannot access the file 'C:UsersdavidDesktopTest Folderdavid 2.xml' because it is being used by another process.
how do i end the prosess after I create the file? Or am I creating it in the wrong manner.The underlined line is where the error ocures.
Public Sub AddDTData(ByVal value1 As String, ByVal value2 As String, ByVal filename As String)
dtUser.Rows.Add(value1, value2, Now.Date)
If My.Computer.FileSystem.FileExists(filename) Then
[code]....
Get Full Path Of Current Directory Of Process From Where Process Starts?
Sep 27, 2010How to get full path of current directory of process from where process starts Like if i use my software to start somefile then I want my software to know where she started it from ( files path) What I mean is the file I opend using my softwares location.
View 2 RepliesOSK Process Start/stop - PID.Kill() Fails Because It Says The Process Already Exited
Sep 28, 2010My app starts an On-Screen Keyboard process like this:
Dim PID as System.Diagnostics.Process
:
PID = Process.Start("C:WindowsSystem32osk.exe")
:
[CODE]...
It seems to work 90% of the time. However, sometimes the PID.Kill() fails because it says the process already exited. At this point the OSK is always still there on screen. Yes, I know my code should be testing to see if the process is still running before trying to kill it, but given that the OSK is still on screen..
Process.start() Freezes Main Program Until Process Finishes?
Feb 21, 2011I have a program that starts another program after setting the regkeys basically the program continually syncs the calandar of outlook and another application.I set the regkeys than launch the c:sync.exe app. I have tried a simple process.start and launching the process as a thread and they both do the same thing: The other process starts and works as it should but my main program goes "White screen" or "not responding" until the process.start has exited.
I want the process.start to run in the background so if users click in my main app it responds and truly that they can access the context menu of my main app from the taskbar while the process.start is running.
VS 2008 - Code To Distinguish The Picked Process From Process List?
Apr 24, 2011i want a code that if a process that i picked is no match in a process list that process that i picked will start
View 4 RepliesVS 2008 If Process Is Running Give Focus, If Not Start Process?
May 27, 2010Trying to create a button that when clicked will check to see if a certain process image is running and if that process is running give the process focus. If the process is not running then start the application.
View 9 RepliesVS 2010 Launching New Process & Detecting If That Process Has An Error Message
Nov 19, 2011I am working on a small VB application that listens for commands sent from an Android app.
One of the functions is to extract an archive. I am familiar with how to listen for the unrar process to finish, so I can display a progressdialog on the phone while the extraction is happening, and clear it as soon as it's done.
BUT ... if there is an error/alert from WinRAR, WaitForExit() never gets called because WinRAR is still sitting there open until I click "OK" on the MsgBox.
For Example ... if you try to extract a file that is not actually an archive... an alert will pop up saying "No Archives Found", and basically everything is halted on the VB app and the Android app, and the Android app just sits on a progressdialog saying "extracting..." until you manually hit "OK" on the computer.
As you can imagine, this is a problem if the whole point of your app is to NOT have to go over to the computer.
So... I am wondering if there is something similar to WaitForExit() that will wait for an error and allow me to close out the alert and let the process end.
Here's my Sub for the UnRar command:
Private Sub UnRar(ByVal WorkingDirectory As String, ByVal filepath As String)
Dim objRegKey As RegistryKey
objRegKey = Registry.ClassesRoot.OpenSubKey("WinRARShellOpenCommand")
[Code]......
[2005] Using Process.MainWindowTitle,Process.MainWindowHandle On Some Older VB6 Applications
Feb 10, 2009I have an issue using Process.MainWindowTitle,Process.MainWindowHandle on some older VB6 applications. After Process.Start I use Process.MainWindowTitle to display in a listbox. The MainWindowTitle returned is not the Window Title but in fact the Project name of the VB6 exe.? I also store the MainWindowHandle to use the ShowWindow and SetForeGroundWindow API's. It would appear that the ShowWindow API does not work, but the SetForegroundWindow does. ie: if the VB6 app is minimized, showwindow does not restore, if it is NOT minimized setforewgroundwindow sets it to the foreground. The exact same code does work correctly for any other .net exe or notepad, only on these vb6 programs I am having a problem.
View 9 RepliesConnect To Remote Computer And Display The Status Of Process Running On Remote Computer?
Dec 27, 2009I'm trying to develop a windows application where i can get connected to remote server and look for process state going in remote server.We have many remote servers where automatic installation of software going on. We have an xml file(installstatus.xml) where it tells us at what stage the installation is (Example : Inprogress , Completed, Failed.)
So our aim is to develop a windows application where i can get connected to that servers and look for their installation status(may be we can use installstatus.xml to look for installation status). Every time i connect to a server, the server information should get stored in XML file(i want to create a xml file where all the servers list i connect to should get stored)
The UI at left side should will have list of servers i can connect to. When i get connected to server, at right side of UI, i want to display the status of installation (In progress, failed , completed).
Error:The Process Cannot Access The File 'D:VB ProjectsCategory_Characteristics.txt' Because It Is Being Used By Another Process
Sep 13, 2011I try to open a text file and write in some text, when i run the program it says the following error:The process cannot access the file 'D:VB projectsCategory_Characteristics.txt' because it is being used by another process.
THe code is as follows and the error hits in line :
Dim objWriter As New System.IO.StreamWriter(FILE_NAME)
-----------------------------------------
Dim FILE_NAME As String = "D:VB projectsCategory_Characteristics.txt"
[code]....
Multithreading A Process - Open A Process And Loops Through The Data
Feb 27, 2012I was wondering if this code could be better optimized for multithreading. What it does is open a process and loops through the data, there could be any range of files to open (so I would like to have say 2 or 3 processes at once):
[Code]...