i have already calculated the avg of the values in the listbox, and now i have to count all the values thats less then avg (in a function), anyone that knows how to do that? help please. i looked at google to try and get a clue but could not find anything.
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designing a Windows based computer program that will allow a user to enter some number (n) and a choice of a count up or count down for that many numbers. So for example, the user enters 5 as their number and selects the count down option, the message box displayed would contain the message: "Here are your numbers: 5,4,3,2,1,0"
View 14 RepliesI'm using VB08. I've populated a listbox with numbers and I want to add all those numbers together and display the result in a Label. I've heard about using parse but I don't understand exactly how it works.
This is the code that I have that i think should work.
Dim lblTotal As Decimal
Dim sum As Double
For Each decAdded As Decimal In Me.lstRunningTotal.Items
sum += Double.Parse(decAdded)
Next
lblTotal = FormatCurrency(sum)
When I run it, nothing happens. My "For Each" statement I'm not sure if it's doing what I think it's doing. I can't believe I spent 6 hours banging my head against the wall but I finally got it figured out.
This is my revised code:
Dim sum As Decimal
For Each decAdded As Decimal In Me.lstRunningTotal.Items
sum += Decimal.Parse(decAdded)
Next
lbl_Total.Text = sum
Just some suttle changes made the difference
I don't have idea how to resolve problem from the picture:
[Code]...
i need to count and add all numbers that are divisible by 2,3 and 5 inclusively ( the answer is 30, 60, 90 sum is 180). I tried running a loop and a true false isnumber. what am i doing wrong? all i have is two textboxes and a button Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
[Code]...
I enter Names and scores from a text box. Once i press "show me the array" my listbox gets populated with the names and scores. [code]...
View 14 RepliesMy loop that needs to count and accumulate the numbers from a list box does not work. When I debug it reads the first line of the Do While loop then jumps to the code where it would average the numbers. Here is my code:
'calculate average
'get first item in list box
lstListBox.SelectedIndex = 0
[Code].....
I need to count a large amount numbers in short time.As a result the CPU jumps to 40-60% on 4-core PC.Which is extremely high.I have any idea that will lock up the thread for some time, but not actually slow or reduce the amount of files that are allowed to be counted per a giving time period.
Vb.net
Application.DoEvents()
Threading.Thread.Sleep(1000)
Textbox1
ListBox1
1234
[code]....
Basically i have a textfile that is loaded into a listbox..now i have to count the number of days in the listbox..
[code]...
I have two listbox.listbox4 have a number from 0 to 10.i want to count that number and put into listbox5oid to count item 1 - 10 in listbox4.start count from item 11.
lisbox4
listbox5
1
[code].....
I have an array with strings in it such as Car, Boat, Plane..[code]How can I count and group them so I have
-CarCount = 4
-BoatCount = 1
-PlaneCount = 1
basic question which i cant figure out is i have a listbox and i total up all the values in it and send it to a text box. but in the listbox i cant have more than 10 items in it i at the moment have a message box telling me how many items i have in the listbox which is simply MsgBox(ListBox2.Items.Count()) when the 10th item is entered i need it to not allow me to enter anymore so i know it needs to go 0-9 but not sure how to implement it.
View 1 RepliesImagine i have a listview1 and inside i populate 6 item how to write a code to count ?than a messagebox.show (" you have 6 files ")
View 4 Repliesin a list box which is populated by the end user using this code
Dim lb1s As String = Form1.Folder.SelectedPath
Dim di As New IO.DirectoryInfo(lb1s)
Dim mydirInfoArray As IO.DirectoryInfo() = di.GetDirectories
[code]....
I have 3 text boxes i want to display the number of items in the list box which contain certain words,So for example in textbox1 i want it to display the total number of items in the list box which contain "(U) or [u] or [ntsc-u]" etc, this will be triggered via page load or a button which ever works best.
Here is the current code I am using to add files and check the number of lines in each file that was selected (file qty). This is also added into a seperate listbox for viewing.
Dim selectedItems = (From i In ListBox2.Items).ToArray()
For Each selectedItem In selectedItems
ListBox1.Items.Add(selectedItem)
[code].....
I don't know what is wrong with this code, but it is not detecting when there are no items in the listbox. It ALWAYS returns that there is something in the listbox, even when there is not and keeps erroring on the line of code in BOLD.[code]
View 1 RepliesI'm using a textbox to supply a filter for the datasouce which is bound to a listbox. It works (mostly) with a few exceptions, one being i was to restrict the height of the listbox to the number of entries (upto a maximum number), so a bit like a combobox (which in effect is what I'm writing). One of the problems is when the number of entries changes there does not seem to be an event raised, although the OnDrawItem is called for the items to be displayed (the displayed ones!) Is there anyway to find out (in a derived listbox) when the number of entries has changed in the datasource?
View 4 RepliesI am a student in a Visual Basic class. We were working on a project using the Count property of the ListBox. I'm using Visual Studio Professional Edition 2008. When I enter a line in the editor that looks something like this: If lstResults.Items.Co
IntelliSense will generate a little balloon that says 'Public ReadOnly Property Count() I saw the () after Count and thought that meant that was the proper way to code it. So that is what I did. The code seems to work with ...Count() or just ...Count. I was wondering if there is some reason why the parens show up after the description of the Property in IntelliSense.
The List Box has three candidates and a record Button. Every time the record button is hit I need it to add those button clicks for each candidate that is selected in the List Box. My code keeps counting all the clicks no matter which candidate I am selecting in the List Box. How can I differentiate between each selected item in the List Box. Here is an image of how the application should look: [URL] Public Class Form1
[Code]...
When the user clicks the Process Files button, do the following:
Read and process the contents of each of the 6 files.
Each file contains data in a different format.
and display them in arrylist. In the list it should contain name of the file and number of person in the text file example below.[code]...
I have a list of links and need to check some data in it.
i placed all the list in a listbox and each item is verified for some result
now i want to see how many items are processed and how many are still need to process
Example: in a label it must display total count of items and items completed and it must change once a item is finished.
over view of my code is:
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
For Each item In ListBox2.Items
[Code]....
Once an item is finished label must change the count.
how to count the lines in textbox1.text (with multiplelines). I don't need to count each character. I only need to count each line from top to bottom in textbox1.text (multiplelines) and I will use Label1 to display the numbers.
example:
1-pauljaones
2-tommyperrry
3-marktoms
4-Jonessmith
5-paulwhite
Obviously this is 5 lines and that's what I need to count.
i need to add random numbers in list box like
0
2
1
3
I've recently made a thread about this, but now my case is different.I enter a name into a text box as well as a score from a test into a seperate text box.I then click 'add to array' and it store is awayafter ive eneted my desired amount of scores i then press "view arrays" and a parallel array is shown with 2 listbox's. one containing names and the other scores.I then press "Average" button and the scores are then averaged.Heres my code for it all:
Public Class frmCreateArray
Dim Names(22) As String
Dim NamesCount, ListCount As Integer
[code].....
The program must display numbers 0 to the highest number entered into one of the textboxes which are even division of bigger number by smallest number.The program isn't quiet done, but I have the rest of it figured out.The problem is that for some reason the program won't change the label status text and display numbers in the listbox if number1 is negative and number2 is positive. But if number2 is -10 and number2 is 3 it works. Also it ignores any other If statements I made.
Public Class Form1
Dim number1, number2 As Integer
Private Sub btnExecute_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnExecute.Click
If (Not (IsNumeric(txtFirst.Text))) Or (Not (IsNumeric(txtSecond.Text))) Or (txtFirst.Text = Nothing) Or (txtSecond.Text = Nothing) Then
[code].....
I have more then 100 listbox on my Form what I need ...when push the button the Label1 show which one the listboxs same numbers and position bellow I try to illustrate
[Code]...
I used a ListBox control, and I assifned to it a list of random numbers, then I sorted the ListBox by usign ListBox1.Sort = True BUT the sorting operation is NOT right! Example of Random numbers: 1,5,7,11,12,4 After sorting: 1,11,12,4,5,7 Whixh is not right, How to make it: 1,4,5,7,11,12 Q: How to make a ListBox deal with numbers as numbers NOT as text!?
View 7 Replieswhen i click a button , an inputbox should come up taking say 10 numbersthen is it possible to add the numbers that are input into this inputbox and display it into a textbox or msgbox
oafter inputting the numbers they will be stored in a listbox and then they will be added together and displayed in a textbox or msgbox
i need some help i want to add the total of the numbers inside a particular Listbox and the total should be in in Label form Like (Label1.text = "Total").
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