VS 2010 FYI - Factorial Using BigInteger?

Jun 23, 2010

Imports System.Numerics 'have to add reference Public Class Form1 Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

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Performing Operations And Assigning Values To A BigInteger Type?

Dec 17, 2011

.Net 4.0
Option Strict On
Option Explicit On

This works perfectly:

Dim N As BigInteger
N = 28 'Put whatever value you want in for N.
Write((BigInteger.Log(N) / BigInteger.Log(2) + 1) / 2)

This does not work:

Dim Result As BigInteger = (BigInteger.Log(N) / BigInteger.Log(2) + 1) / 2

This gives an error during the build (despite the variable being declared as a BigInteger and the operation working perfectly well when I am not assigning it to a variable, it tells me I can't convert a Double to a BigInteger) and I have to do this:

Dim Result As BigInteger = CType((((BigInteger.Log(N) / BigInteger.Log(2)) + 1) / 2), BigInteger)

This if course gives a different, that is, incorrect result.'This doesn't work either.

Dim Result As BigInteger = BigInteger.Log(N)
'I can do this:
Dim ResultString As String = BigInteger.Log(N).ToString
'But then parsing the string fails

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Maximum And Minimum Values Are For A Framework 4.0 System.Numerics.BigInteger ?

May 10, 2010

what the maximum and minimum values are for a Framework 4.0 System.Numerics.BigInteger

2 ^ x

or is it a

( 2 ^ x ) - 1 value?

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Factorial Calculation Using .net?

Dec 15, 2011

Develop an application which reads two integers n1 and n2 from the user via two textboxes and displays in a label the sum of the factorial of the integers n1 and n2?

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How To Find Factorial

Jun 23, 2010

how to find factorial

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An Algorithm Which Can Calculate 500 factorial?

Aug 25, 2007

can you write an algorithm which can calculate 500 factorial.scientific symbol(mode) is unauthorized.Answer should be in String mode.

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Factorial Calculations Using Loops?

Jul 17, 2010

Trying to figure out how to calculate factorials via loops. Cant seem to figure out where to start when using loops.

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Take The Number From A Textbox And Get The Factorial?

Apr 18, 2009

Need to take the number from a textbox and get the factorial

Public Class Form1
Private Sub btnCalculate_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnCalculate.Click

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Calculate The Factorial Of Given Number Using Recursion?

Mar 29, 2010

calculate the factorial of given number using recursion.input the number in textbox and show the

result in another textboxrajeev ranjan, on 29 March 2010 - 12:38 PM, said:calculate the factorial of

given number using recursion.input the number in textbox and show the result in another textbox.

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VS 2008 Math Calculation Which Is Using Factorial

Aug 15, 2009

This is a math calculation which is using factorial.

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VS 2008 - Calculate Factorial From Number And Display In Textbox

Sep 14, 2009

So I need to get a button to take the number that a user enters into a textbox, calculate the factorial from that number, and display it in another textbox. I can't seem to get this to come out right.

Here's some of the code I've been playing with.
Private Sub btnCalculate_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnCalculate.Click
Function Factorial(ByVal txtFactorial As Decimal) As Decimal
If txtFactorial <= 1 Then
MessageBox.Show("Enter a number greater than 1")
Else
txtAnswer = Factorial(txtfactorial - 1)
End If
End Function

Now I have to just work out the code part. Can a function be under a button? I'm getting an error about that. I'm also getting an error about the txtAnswer=Factorial(txtfactorial-1) part of the code.

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Error In Displaying The Result Factorial Error

Aug 22, 2009

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click.[code]the program enters a number and display its factorial, our program has error, eg. if your going to input 7, the result would be {num1}5040.we are having difficulty in its result... the required output should be 1*2*3*4*5*6*7=5040

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Recursive Function Vs Factorial Function

Nov 20, 2009

Can someone explain to me what the difference is between a recursive function and a factorial function. I know that a factorial function returns the product of all the numbers from 1 to itself. But how does that differ from what a recursive function does

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VS 2010 Visual Basic 2010 And Crystal Reports 2010?

Oct 2, 2010

When trying to import CrystalDecisions.CrystalReports.Engine, and CrystalDecisions.Shared. I'm getting a green line. What might be the problem?

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VS 2010 Involved VB 2010 And Visual Studio 2010 (WPE PRO)?

Jan 8, 2012

I'm new to visual basic, used it for a few months. My friend is addicted to using a program called Wpe Pro [URL].. and he wanted me to make it more advanced and able to do more stuff.if you no anything about this program please message me

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VS 2010 .Net 2010 Program .exe Wants Excel 2010?

Aug 4, 2011

VB.Net 2010 program .exe on PC with Excel 2007 gives error when cannot find Excel version 14, which is Excel 2010 I have developed a program in VB.Net 2010 which reads from an Excel spreadsheet. It works fine in the IDE on my computer. I built an .msi and executed it on my computer. I get "Error: 53 - Could not load file or assembly 'Microsoft.Office.Interop.Excel, Version=14.0.0.0, Culture=neutral,PublicKeyToken=71e9bce111e9429c' or one of its dependencies. The system cannot find the file specified."

The only version of Excel on my computer is 2007, which is version 12.0.6557.5000. The version the error says it needs, version 14, is actually the version of Excel 2010.I have put in MsgBox statements to find where the error occurs.

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Visual Studio 2010, Outlook 2010 And Windows Application, Return Emails?

Jan 5, 2011

At present I have wrote an application (in-house CRM, vb .net 2010) which allows me to send emails under the selected customer & I categorised these emails.As these are categorised I can return data to display email history in my program by using search criteria:

Dim oMail As Outlook.MAPIFolder = oNS.GetDefaultFolder(Outlook.OlDefaultFolders.olFolderSentMail)
Dim sSearch As String
sSearch = "[Categories] = '" + "[" + tAccount.Text.Trim + "]" + "(" + tShipTo.Text.Trim + ")'"
Dim oItems As Outlook.Items = oMail.Items.Restrict(sSearch)

However the limitation to the above is it only looks at sent items & no other folder.My ideal solution would be to display all email correspondence for a certain contact.

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VS 2010 - Build My Project (or Publish) VB 2010 Makes And Exe And A Couple Ddl Files

Jun 6, 2012

The situation: when i build my project (or publish) Visual Basic 2010 makes and exe and a couple ddl files. when i run the project with the .exe and the other files the program works perfectly.

My problem: I want to share it with friends and it is just a verry little program ( a n internet radio) so i want it to be 1 .exe with out any other instalation needed so i can easly share it to anyone who wants it. when i make an even smaller program and Debud->build it, it is only 1 exe and no instalation needed. so is there a way to make my program to 1 exe only?

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VS 2010 Addin For Excel 2010 - Getting The Cursor (4 Arrowheads) For Moving The Form?

May 26, 2010

Basics Details:
VS 2010
Making an Addin for Excel 2010
Win 7

Problem:I am not getting the cursor (4 arrowheads) for moving the form.I am using the Panel1_MouseHover to display the cursor. Right now if I choose any other cursor then it is working but the same cursor also displays when I hover the mouse over any other control. I want the cursor to show only in the areas of the Panel where there are no controls.How do I show Tooltips for the images? The play,stop,next, previous,playlist,Hideme(with the smiley),volume are all images and not buttons?

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VS 2010 Change Version After Install-Visual Studio 2010 Installer

Jun 21, 2010

Well I used the Visual Studio 2010 installer to install my application and I want it to be able to change the version displayed in the in the Add/ Remove Programs (in the Control Panel). How can I do this without going through the install wizard again?

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VS 2010 Class Library / - If Create A DLL Using VB 2010 Express Can It Be Used By Previous Versions Of Of .Net (3.5 - 2.0)

Aug 19, 2011

If I create a DLL using VB 2010 express can it be used by previous versions of of .Net (3.5, 2.0)? Will the DLL use .Net 4.0 components, which is what I want. I don't see a way to force that to be the case.

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VS 2010 Basic Timer Animation - Error Check And Colour Scheme VB Express 2010

Mar 26, 2012

this is my very first posting and I must say I am desperate. I have a VB assignment due in 2 days and I am so lost. I have written a code to draw some graphic, just a basic house, tree, sun etc. I have also written a code to magnify said graphics which were all the specifications of my Assignment 1 part A. Now for Part B I am being asked to extend my program so that: A - My graphic can be drawn using different colour schemes designed by me but chosen by the user B - My graphic or an appropriate part of it can be animated around the picture box if the user chooses to do so. C - Error checking is included.

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Connect A Database (created In Access 2010, Saved In An XML Format And Put On Website) To A Login Form In VB 2010?

Jul 16, 2011

it's just for a program registration. i would store all of the registration codes in the access database, then export it to XML, then upload it to my web host. I would then somehow connect it to my Visual Basics login form (Which I have already made). If this can't be done, having them register through the form and having all the allowed codes on the internet (So i can easily edit them)!

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Is It Ok To Install VS 2010 Ultimate If Already Have Installed VB 2010 Express Edition

Mar 7, 2012

Is it ok to install my VS 2010 Ultimate even if I already have VB 2010 Express Edition? or should I uninstall the express edition first?

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VB 2010 Forms App Project Using ADO.Net Has Started Crashing VS 2010 Whenever Load It?

Aug 11, 2011

well until a few day ago. I don't know what I have introduced to cause the problem but now, whenever I load the project, VS 2010 (SP1) crahes. If I delete the project's suo file, the project loads (really quickly) and all is well until I exitVS 2010. When I re-run it and try to load the project, it crashes again unless I delete the suo file.The program can be built for x64 and x86. Now, when I reload the project (after deleting the suo file), it comes up in Debug - Any CPU mode. I can change from Debug to Release and from Any CPU to x86 but if I try and change from x86 to x64, VS 2010 crashes.This is not always the case though. If I build the x86 version and then switch to x64, all is well and I can build the x64 version. Obviously, there's something wonky going on.

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Visual Studio 2010 Exporting To Office 2010 Xlsx?

Feb 14, 2011

I need to write from VS 2010 vb.net dataset into a newly created xlsx file.

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VS 2010 - Applications Made Using VB 2010 Express Expire After Some Time?

Nov 3, 2011

Here are my questions concerning VB 2010 Express:

1. I've registered my VB 2010 Express, will it still expire?

2. Will the applications I made using VB 2010 Express expire after some time?

3. Is it OK to write my code in the designer.vb file? I don't know why, but when I started writing my application it took me to the designer.vb instead of form1.vb code.

4. I've been working on an application for a week now, but suddenly I can no longer access my Design View(Shift-F7). All my codes are written on the [form name].Designer.vb. I can still view my codes but I cant access my form layout. On the solution explorer, my forms no longer have the 'form icon'. When i press Shift-F7 nothing happens. Right-clicking the form on the solution explorer doesn't show 'View Designer' option. How can I fix this?

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VS 2010 Filtering The Datagridview Column Headers Using Datetimepickers In Vb 2010

May 16, 2012

I have a datagridview populated from a CSV file in vb.net. I have 2 datepickers, 1 button. see the attached images. Image1->before filtering

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VS 2010 Funniest Things Create In Visual Basic 2010?

Nov 6, 2011

Dont be afraid to spam the thread with things you can create.The more the better!

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VS 2010 Reading Microsoft Word In VB 2010 And Extract Words

Mar 18, 2012

I'm having a little trouble trying to read a word document in vb. how to get the text out of the word document would be great.

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