Generation Of Random Numbers

Nov 9, 2009

I have a problem regarding the generation of random numbers in vb.net..I have code like this!!it generates the random number but both the numbers are same for my program the should not be same!![code]

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Random Number Generation Of Select Numbers

Apr 15, 2009

If I have say 5 numbers: 1, 29, 53, 95, 103 What would be the VB.net code for randomly selecting a number of those 5.

i.e) The random number has to be 1, 29, 53, 95, or 103 and has to be randomly generated.

I've tried using the Int(Rnd() * 104), but I do not know how to make it choose only these 5 numbers!

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Random Variable Generation, And Accumulator?

Jun 6, 2011

i am trying to teach myself vb (im only 14), and i'm not having a easy time. What im trying to do, i need a user to define a upper and lower bound of a range. From there i need to generate random numbers, a certan number of times, with in that range...this is my first problem.And then, i need to make counters to store/test all of these variables as even, odd, positive, negative and zero's ...that i need to append to a richtextbox to show how many of each. Im not even sure if rtb is the right object to use...you know, instead of textbox, or label?the last thing was to do with Private function as boolean. do I need this to test these variable?

[Code]...

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Create An Array V0(9) Using Random Number Generation?

Feb 22, 2010

I want to create an array V0(9) using random number generation. For example I generated V0(9) = {1,2,3,4,5,6,7,8,9,1} I want to use 12345 + 67891. How can I separate to use two parts of the array.

My

Public Class Form1
Dim i As Integer
Dim V0(9) As Double

[Code].....

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Crystal Reports: Random Generation Changes (landscape/portrait/size)

Nov 17, 2011

I'm working on a project that produces quite a few pdf's through Crystal Reports. The problem I'm facing is quite random. Users are reporting that reports sometimes get generated too small (report scaled down to 70% or so and printed upon the pdf) and also that some reports are being printed in landscape while they were designed in portrait and vice versa.

what could cause these random changes in generation? and maybe a solution?

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WINFORM Random Info Generation - Auto Generate Username From Firstname, Lastname

Mar 11, 2010

I need to make a form like this [URL] [URL]

For Firstname and Lastname: When you click to random Button it will auto pick random Firstname from Firstname.txt and random Lastname from Lastname.txt

For Username: when you click to random Username Button it will auto generate Username from firstname, lastname, string, number like this

Username = firstname+number+lastname+string

For Password:

Password = random string + random number

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Bug In VB 2010 RC - Class Random - Always Produces The Same Random Numbers In The Same Sequence

Apr 4, 2010

The class Random is out right defective. It always produces the same random numbers in the same sequence. Things I have tried so far is every kind of seed you can think of as well as Randomize. The result is that I always get the same random numbers in exactly the same sequence.

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Use .next (random Numbers) To Randomly Select Something From A List Of Numbers But It Can't Repeat The Number?

Aug 16, 2009

So how would I use .next (random numbers) to randomly select something from a list of numbers but it can't repeat the number?I could do:

dim num as integer
dim r as new random
num = r.next(1,5)
if num = 1 then
elseif num = 2 then
etc.

That wouldn't work because it would repeat.If I donwload someone's game can I disect it in VS? :0 I tried going to open project, then I went to the folder and clicked open. It brought me inside of the folder so I tried to open the game but there is no form1 there. It says the games name then .exe in the explorer-like thing in the top right?Also, how would I have a value or something in a label and access it from a button.

Example:This is in a label.

Dim number as Integer
number = 0

Then in the button do

Label.number = 0

How would I do something like that? I want to use that a lot as I did in a different language.

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Generate 6 Unique Random Numbers - Sometimes Get Duplicate Numbers ?

Oct 6, 2011

The program must generate 6 unique random numbers but when I click display numbers sometimes it gives me 6 unique numbers and sometimes I get duplicate numbers. I will add the code I have so far.

Public Class frmMain

Private Sub btnExit_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnExit.Click

[CODE]...

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Random Numbers And Random Strings

Nov 24, 2009

I don't take programming lessons at school or anything, and I'm starting to (try to) teach myself about random things.Currently I'm making an app that has 3 functions:

-Random Integer (1 to 100)
-Random Answer (Yes or No, similar to a coin flip)
-Random Dice Roll (1 to 6)

How would I go about doing this?At the moment all I know about random numbers etc. is that I will need to do something along the lines of Dim dice As New Random or something like that, but, like I mentioned, I have no idea.I am well aware of the DIC rules that you won't write the code for me/do my "homework(?)" for me, and that's not what I'm asking.

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Divide Two Numbers Together And They Should Be 2 Random Numbers From 1-12?

Jan 10, 2010

Basically, I want to divide two numbers together and they should be 2 random numbers from 1-12 (I have done that part) but, the answer should be a whole number (i.e. Integer, so no decimal points etc) So, I did the following:

' Initialize the random-number generator.
Randomize()
' Generate random value between 1 and 12.
Dim value5 As Integer = CInt(Int((12 * Rnd()) + 1))

[code]....

but the problem here is that the program crashes after only a few clicks on the button. So I guess the question is: How can I make the program generate two numbers (from 1-12) that when divided become a whole number?(Is there any code that may tell the random generator that I want the numbers to be even?-so all even numbers from 1-12?)

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Get 7 Different Random Numbers?

Jul 3, 2009

i want to know how to generate 7 "differents" random numbers.

I need to use a tab() with 7 entries and verify(with a loop?) if the generated number is or not present in the the table, if not then increment a counter by 1 and add the number in the table and increment the table position by 1 for the next randomized number.

Im not sure how to do the verification, so far all i have is a function i made for the random number between min and max:

Private Function randGen(ByVal min As Integer, ByVal max As Integer)
Dim random As New Random()
Dim i As Integer

[Code]....

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Get Random Numbers Between 0 To 100 ?

Jul 11, 2009

I want to get random numbers between 0 to 100..But i do not want the random number to be repeated.

Private Sub Form2_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim objRand As New Random
objRand.Next(0, 100)
End Sub

Suppose first time random numb generated is 10..Next time if same random number is generated,den i want to get the other random number..I want to get all the numbers b/w 1 to 100..but only one time

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Get Random Numbers Between 0 To 100?

Jul 11, 2009

I want to get random numbers between 0 to 100..But i do not want the random number to be repeated.

Private Sub Form2_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim objRand As New Random
objRand.Next(0, 100)
End Sub

Suppose first time random numb generated is 10..Next time if same random number is generated,den i want to get the other random number. I want to get all the numbers b/w 1 to 100..but only one time

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Random A Numbers About 20 Second

Jun 25, 2010

I want to random a numbers about 20 second. how to write the code

[Code]...

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Add Random Numbers To Listbox?

Jul 19, 2011

i need to add random numbers in list box like

0
2
1
3

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Add Random Numbers To Messagebox?

Jun 21, 2010

i am trying to create a messagebox which brings up four random percentages which add unto 100%, i can create the messagebox with[code]messagebox.show ("") {icode]

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Application That Needs Several Random Numbers?

Jul 14, 2011

I am writing an application that needs several random numbers. Each time I use the Rnd() function, do I need to precede it with the Randomize() initializer?Or can I just use Randomize() once at the beginning of the code?Examples: Do I need to do it this way?

[Code]...

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Generate 10 Random Numbers Between 1 And 52?

May 1, 2012

'm attempting a program and need to generate 10 random numbers between 1 and 52. However all the numbers must be different. I'm trying this in a For Loop. I'm not terribly amazing at this so all I have so far is:

Dim B, I, J, max, min, card() As Interger
max = 52
min = 1
Randomise()

[Code].....

What am I doing wrong and what is the ultimately simple solution I know the internet can provide for me?

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Generate Numbers At Random

Jan 9, 2010

This code is in VB6.0I have 28 numbers in sequence (eg 1-28), they are randomly generated and displayed in a label. I dont want a duplicate number displayed in the label. Pls how do I do this. Below is how I generate numbers at random. Now I want to make sure there is no duplicate number displayed in the label.[code]

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Generating Random Numbers?

Mar 14, 2012

i have a few questions about generating random numbers:1) is it possible for the programme to generate a random number that it has previously generated (i.e could it produce the same number more than once?)2) can you specify what numbers to generate? e.g only whole numbers up to 1000?

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How To Generate Random Numbers

Aug 30, 2009

So if you have one button and one textbox; whats the code so when you press the button the textbox comes up with a random number?

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How To Make Random Numbers

Oct 13, 2011

How can i do a random numbers?.i'm using 3 listbox when i click button generate the result will show into the 3 listbox??

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Non-Repeating Random Numbers?

May 23, 2010

I'm working on a Bingo game that generates a random letter and number.

Dim RandN As New Random()
Dim randnumber = RandN.Next(1, 30)
Dim RandL As New Random()
Dim randletter = RandL.Next(1, 5)

All that works, but I'd like it not to repeat a combination. Any tips on how to do that?

Also the random numbers tend to be repetitive and the random letter is never 5. I think the random number has been 30 before but I can't be sure. Is there a way to fix that or just a better way to do the random numbers?

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Ordered Random Numbers?

Oct 8, 2009

Dim intNumber As Integer
Dim arrNumber(0 To 51) As Integer
Dim i, x, y As Integer

[code]....

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Percentage Of Random Numbers

Feb 26, 2012

I have a random number generator, an upper bound and a lower bound. I need to use the random number generator to get that many numbers between the upper and lower and then calculate the perecentages of how many are odd, even, etc.

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Random Numbers For Cards?

Feb 27, 2009

Ive got 16 cards to make 8 pairs (simple) ive got it to detect a pair by piccard1.image.TAG what i need to do is though, make the 'tag' part random, 0-15 so i can give each card a tag, but it has to be unique and i cant make it give 16 different number.

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Random Numbers For Forms?

Mar 22, 2009

I have created a main form.. added 7 forms to the porject.. I want to select the forms at random plus count the forms as they are slected and when the count = 7.. a messgabebox should be displayed.. the forms seem to be selected at random each time i click the next buttoon as i have called the frmmain.random() method from the main form for each click butotn on each form.. but the count doesnt work and all 7 forms dont open.. sometimes 1 form opens then goes back to main screen or it goes past 7. but never shows the message. not sure how to go about it. Also im coding in VB using visual studio 08.

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Random Numbers In Your Array?

Feb 22, 2011

How Can I random the numbers in my array but they will not repeat the array value. The array number starts from 11 to 14.

Or how can I random 4 buttons.text that uses array to call their text?

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Random Numbers To Be Repeated?

Jul 11, 2009

I want to get random numbers between 0 to 100..But i do not want the random number to be repeated.

Private Sub Form2_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim objRand As New Random
objRand.Next(0, 100)
End Sub

Suppose first time random numb generated is 10..Next time if same random number is generated,den i want to get the other random number..

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