VS 2008 For Each Loops Finished
Sep 21, 2009
I have a piece of my code that uses a for each to loop a certain amount of times depending on how many saved fields there are in an xml.
vb.net
'// Write an .html file ready for debugging
If (File.Exists("Working/" & textBoxCampaignName.Text & ".html")) Then
'// Do nothing the file exists
[Code]....
So the for each loops depending on how many nodes it finds in the ("/campaign/secondarySection") this works great, it loops accordingly, what i'm trying to figure out is a way for a messagebox to show once the loops are finished, i can't think of a way to find out once the loops are done.
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Oct 8, 2011
the purpose of the program is to display the monthly payments on the loan.My homework is to use do while loops instead of for loop.Here is the code for the for loop.
Option Explicit On
Option Strict On
Option Infer Off
[code].....
Now I'm having some trouble displaying the output using the do while loop, and I'm pretty sure it's a loop problem on my code. However, I cannot seemed to find out what's wrong. I looked at the examples of do while loop in my textbook, but I couldn't find anything useful to my problems of my program.This is the output for the do while loop.
Here's the do while loop code
Option Explicit On
Option Strict On
Option Infer Off
[code].....
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Feb 29, 2012
I'd like to know... well, I have finished a project managing databases and all that stuff... and using ADO.NET, some databases and the main program, I'd like to compile it all to make an installation and use those databases.If I use the exex that is inside the debug folder... in other computers gives error and don't show the content of the databases. What I want is just the exe but with the databases visible in the other cpus, how to install the app in any windows computer and what I need to know or give is:
If I have my installator and I give this to a friend, he can use the databases ? He need the SQL 2005 Management to see that content of the databases ? Or I can just give him the program and work with the databases??
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Jun 20, 2010
I have some code that needs to be executed right after the page has been loaded inwebbrowser controli tried numerous things like if webbrowser.isbusy = false...but that will check it only one time, and when it's executedwebbrowser control doesnt wait for page toload to continue executing program, so it's no use to put my code after webbrowser.navigate
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Mar 6, 2011
When I use a For loop in a For loop the Contains Statement dosen't work! Even my custom one! I even tested mine and it works 100% And neither that or the String.Contains function work inside of For Loops And, I know both of them use loops to search through a string.
My function(It will atleast search once):
Function RealContains(ByVal load As String, ByVal needle As String) As Boolean
load = load.ToLower
[CODE].....................
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Apr 5, 2009
Well I know this could work for a browser with no tabs:
Private Sub WebBrowser1_DocumentCompleted(ByVal sender As System.Object, ByVal e As System.Windows.Forms.WebBrowserDocumentCompletedEventArgs) Handles WebBrowser1.DocumentCompleted
End Sub
But the thing is, I do have a tabbed browser. I tried this code, But it didn't work.
[Code]....
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Dec 7, 2009
have a problem where I have an application that allows someone to enter two integers. The app then displays all the odd numbers between both integers and all of the even numbers between both integers. There are two text boxes and two labels: even and odd. How would I code a For..Next loop for this type of app. The part where I get confused is what do I determine and how do I
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Jul 5, 2010
I've had no issues with this in C++, however, in Visual Basic 2008 (not sure about 2010), when I run a Do loop of any type, and run a comparison to 0, or even 0.0, the code loops a second time.
[Code]...
To my knowledge it should cancel after the 5th line, since the condition is satisfied. However it does not. Instead it runs the loop one last time.If I put in a comparison of any number higher or lower than 0, it works as it should, and cancels properly when the 5th line is written. So 1, -3, 0.0001, etc. works, so the problem lies with 0.
Now I do not know that much about the debugger, but it should be mentioned I'm running express edition, and I could not find anything that lets me see how each line compares. Nor, after an hour of searching online, could I find a single forum where this is answered (though perhaps that is due to how I worded my search).
If someone could explain to me why the comparison does not work as it should and loops a second time when comparing to 0, or even 0.0 (one person thought it was a difference in balance being double and 0 being an integer),
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Apr 1, 2009
I want to write two nested loops and inside them "two if statements" when I write an Else statement which has a messagebox saying that ID is not found.. it repeated many times depending on the for loops. I only want to be displayed once !!! but when I wrote my code like this (using exit sub), the message appears when the condition is right and appears when the condition is wrong. I tried to move this statement somewhere else but still I have problems with it.
With EMPDataSet
For I = 0 To .Personal.Rows.Count - 1
For j = 0 To .Work.Rows.Count - 1
If EMP_CPR = .Personal.Rows(I).Item("CPR") Then
txtName.Text = .Personal.Rows(I).Item("Full_Name")
[Code] .....
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Oct 26, 2010
I'm having a little trouble with this assignment for my 1341 Fundamentals class... Add another TextBox and Button to your program window; label the TextBox side: and change the Text of the Button to Print hollow box. Write code to clear the ListBox and then print a hollow square box of asterisks with sides of length equal to the input number. For example, if the number entered is 10, the output should look like
**********
* *
* *
* *
[code]....
You may want to use a For loop inside a For loop. Use a string to build each line of output before you send it to the ListBox. Your program should produce correct output even if the input is 0 or 1. Be sure to catch all exceptions and handle them intelligently. After this step, your program window should look like this.
NOTE: I had some trouble getting the desired output for the 10 and 4 user inputs to print out right... Rather than there being 2 rows next to each other, they should be spread apart by the number of asterisks on the top (and bottom...) thus creating the "asterisk square".
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim first, last As Integer
Try
[code]....
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Mar 24, 2010
I am trying to learn by creating a small application to help my son learn math. It works but I know there are better ways of accomplishing what I need.
For example:
'Declare variables
Dim num1 As Double = CDbl(frmMath.txtNum1.Text)
Dim num2 As Double = CDbl(frmMath.txtNum2.Text)
Dim answer1 As Double = CDbl(frmMath.txtAnswer.Text)
[CODE]...
I imagine I would need something like a do while loop?
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May 16, 2010
I have an arraylist of a "Doctor" class containing Firstname, Lastname,etc. Some elements in this arraylist may be duplicates of others. I am trying to iterate through the arraylist and search for duplicates. Once i find a duplicate i want BOTH duplicates put into another array and removed from the original array.
here is my function
Public Function createArrayOfDuplicatesAndRemove(ByVal st As ArrayList)
Dim duplicates As New ArrayList()
Dim i, j As Integer
[code]....
How could something be out of range if i start at the end and work to the front?
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Feb 29, 2012
I am doing one web scraper which loops user set list of urls. Lists can be huge and that's why I need Threadpool for it.
My code so far (Scrape code missing)
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim ThreadingEvents(20) As ManualResetEvent
Dim iCounter As Integer = 0
For Each item As Object In ListBox1.Items
[Code] .....
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Jun 28, 2009
It is my previous problem in vb6, its hard to multithread using vb6 so I migrate my codes to vb.Net.How can I multithread this two loops so that this process is running at the same time.Because when I start my second Loop, my first loop stop in executing. It will start again when my 2nd loop finished.
[code]...
I have 2 connected GSM Modem in usb port.That codes will send SMS in all contacts in my ListBox.
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Dec 2, 2010
I need to create an console application that computes the average monthly rainfall, number of months with above average rainfall, and the number of months with below average rainfall, given the rainfall amounts for each month in a particular year. The program must read in and store in an array the monthly rainfall amounts entered by the user one by one.
So far this is what I have got
Const intMonths As Integer = 11 'Constant Month variable
Dim sngRainfall(intMonths) As Single 'Rain for the month
Dim intCount As Integer ' Loop Counter
Dim sngTotalRainfall, sngAvgRainfall As Single 'Total and Average Rainfall
[Code] .....
How to set this up properly and I am having a real hard time figuring out how to make the data go from this loop to another and add the data to the total.
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May 3, 2009
I need a start date, a Total time passed until now, an average time per step, and a estimated time to finished. How can I do that? Also, I can close the application and when start up again I want to get the time counters as the last time, so How can I store that data is normal txt file (I say txt to take advantage of the ini app file which is a txt).
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Jun 10, 2009
I want to play the next song from my listbox when the current song is finished. This is what I've tried:
If AxWindowsMediaPlayer1.playState = WMPLib.WMPPlayState.wmppsMediaEnded Then
ListBox1.SelectedIndex += 1
AxWindowsMediaPlayer1.URL = ListBox1.SelectedItem
AxWindowsMediaPlayer1.Ctlcontrols.play()
End If
It changes the index of the listbox, but it doesn't play the new file. The file exist and there's no problem playing it the normal way.
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Dec 29, 2010
I've got a code using SQLClient that loops though all users in a Users table inside each loop i want to preform another search in the UserOrders table, thus doing a count of all orders.
I get this error
HTML
There is already an open DataReader associated with this Command which must be closed first.
Here is my code
vb.net UserLists.Items.Clear()
Dim connection As New SqlClient.SqlConnection(My.Settings.ConnectString)
Dim command As New SqlClient.SqlCommand("SELECT * FROM Users ORDER BY PersonName",
[CODE]...
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Aug 23, 2009
How do I make a loop from 1 to 100 and make it everytime it loops display incrementing numbers to the screen?
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Dec 17, 2009
Is there a way to check to see if the enumeration is already finished?
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Mar 9, 2010
I am using the following command to install a driver withing my program: Process.Start(Application.StartupPath & "USBG-232MM_Driver.exe")
This installs a driver for USB cable(not important).
1- I would like to wait untill the driver finishes installing before I go to next step. Is there anyway to know if this process is completed?
2- After I plug the USB cable the computer starts the detection. I like to know when the device is detected and ready.
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Jun 4, 2011
I have an application that allows the user to upload information from and Excel sheet. Since the user is more familiar with Excel, they prefer to do it this way. My software will close the workbook with Me.exApp.Workbooks.Close() , but if you have the task manager running, you can see the Excel application continues. I know the workbook is closed, b/c it asks if you would like to save changes. One instance of Excel will close when the program is exited, but the user normally builds a folder of Excel files and does them all at once. If 8 instances of Excel exist, only one will close with the program.
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Feb 12, 2011
I've made a tabbed web browser and I'm using
CType(TabControl1.SelectedTab.Controls.Item(0), WebBrowser).Stop()
instead of WebBrowser1.Stop() for navigating.
but I want to know when a web page has finished loading?
Normally the following works, but not with tabs
Private Sub WebBrowser1_DocumentCompleted(ByVal sender As Object, ByVal e As System.Windows.Forms.WebBrowserDocumentCompletedEventArgs) Handles WebBrowser1.DocumentCompleted
End Sub
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Feb 24, 2010
I am having no trouble playing a swf file in VB but how can a play a second SWF file AFTER the first has finished? How do I know when the first file is done playing? Tried 'isplaying' method in a while loop but can't get it to work.
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Aug 18, 2011
how to cause it so that my program will not proceed while a web page is loading. For example, if I use this:
webbrowser1.navigate(www.amazon.com")
sometimes it will have finished loading the webpage before the program proceeds. Other times, even if it says it is done, it is not done and it causes my program to crash.
how I can cause my program to stop and wait until it is sure the webbrowser has completed loading?
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Jan 31, 2010
I have recently developed and finished a software in which works like aim.But here's the problem, the server worked just fine for local friends because they lived only 25 miles from the server, so it was lag-less.But when uploaded to a web host, it lags every time it pings the server.The server is in PHP, so there's no need to buy a dedicated computer for 400$/month more.Here's the function in which the client constantly calls upon:
[Code]...
I was thinking about recoding the getpage function so that it would connect to a TCP server and constantly wait for new messages which I am still not sure if this might cause a lag if the host is in the US and the client is not(for example). provide me a remedy to this problem?
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May 21, 2010
How do I tell if a Video is finished playing?
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Feb 2, 2010
I built a program in visual studio 2005 that access a Microsoft Access database. I need this program to be a standalone program on many machines. To do this, I need to install a copy of the database when the program installs. I tried including it in the application files part of the build, but the problem I am having is the connection strings dont update with the install. It still tries to point to the folder it is in on the comnputer i built the program.
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May 15, 2012
How to make a button to show up once/while typing something on textbox is finished.
Say that you are typing something on a textboxes and once you finished them, a button will suddenly shows up.
If anyone knows how to do this stuff, please post some sample codes and explain it for me in a brilliant way.
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Mar 16, 2012
I am making a program and I would like it so when the progress bar finishes it open form2. Here is my code:
Public Class Form1
Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
ProgressBar1.Increment(1)
If ProgressBar1.Value = ProgressBar1.Maximum Then
End If
Would I make it, like progressbar1 makes it to maximum form2.show()
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