I need to round like this:
12 -> 10
152 -> 200
1538 -> 2000
25000 -> 30000
etc.
Twisting my head, but can't see how to make this. Must work for any n number of digits. Anyone got an elegant method for it?
How do I split a 2-digit number from a textbox and put the first digit in one label and the second digit in another label when a button is clicked?
View 2 RepliesDim Timing1, Timing2 As DateTime
Timing1 = DateTime.Now
MyCode
[code].....
I just finished this application where you enter a five-digit credit card number, with the fifth digit being the check digit. everything seems to work except, I can't seem to get it to determine that any number is "valid". Every 5-digit combination that I enter returns "The credit card number is not valid". Im using visual basic 2008 express
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i want a button to perform a function of checking the last digit number in a field of a table in and add a digit to it and display it in a textbox.
View 1 RepliesI'm supposed to write a program that validates an inputted ten digit ISBN number using the check-digit at the end to ensure that the sum is a multiple of eleven. Before calculating this and detecting if the entered number is indeed a valid ISBN, we're required to check the first nine digits and see if they are indeed integers. After this the tenth digit is checked to see if it is "X" (for ten) or 0-9.
With the code I've written it keeps returning false for whether or not the ISBN is valid, even with valid numbers. I feel like its something to do with the hyphens; have I misused the replace function?I'm a little lost on how to make my code work, but I'm fairly certain my logic is okay so far.
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I'm using Visual Studio and table adapters using an Access DB as the backend. I need the minimum 4 digit value. I want to get next available 4 or 5 digit number. And this will change depending upon the users request. Currently I use a table adabpter query. But how would I write a query. I suppose I could do a long iterative loop through all values until I see a 4 digit.But I'm trying to think of something more efficient.
Function GetNextAvailableNumber(NumofDigits) as Long
'SQL Code Here ----
'Query Number Table
[code]....
I got most part correctly but the only part isnt working right is when the last 5th digit match the sum number at the last number.
Private Sub btnVerify_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnVerify.Click
Dim strCardNum As String
Dim strSumNum As String
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I am calling the function below from an Excel spreadsheet and the conversion from hex to decimal using the VAL function in the "manufacturer" variable below is coming back with a negative value. The VBA edition is 6.5.
Public Function decMEID(ByVal sKey As String) As String
Dim manufacturer As String
Dim serial As String
[code].....
I want to generate a serial number in this format: INDDMMYY000001, INDDMMYY000002, INDDMMYY000003, ... I can generate INDDMMYY using following code: lblNoSiri.Text = "IN" + Date.Now.ToString("ddMMyy") However, I don't know how to generate the last six digit number. I only can generate number without zero in front of it. How to create the number with fix number of digit?
View 4 RepliesI want round up given numbers in c#
Ex:
round(25)=50
round(250) = 500
round(725) = 1000
round(1200) = 1500
round(7125) = 7500
round(8550) = 9000
How do I know the original number of digits that appear in this way 5.555555E+36
View 6 RepliesHow I could retrieve the single digits of a 4 digit number to manipulate them in my own way to encrypt the 4 digit number to my liking. Here's what I have to do; take a 4 digit number, add 7 to each digittaking the result and dividing by 10 leaving only the remainder. Then swap the first digit with the third, and swap the second with the fourth digit.
View 9 RepliesI found a good method of getting the next 4 digit number. How to find next free unique 4-digit number..But in my case I want to get next available 4 or 5 digit number.And this will change depending upon the users request. Theses number are not a key ID columns, but they are essential to the tagging structure for the business purpose. Currently I use a table adabpter query. But how would I write a query. I suppose I could do a long iterative loop through all values until I see a 4 digit.[code]Numbers is the List of All available number from 0 to 99999, basically what's available to use. LineList is my final master table where I keep the long and all the relevant other business information.
View 2 RepliesI'd like to know how to get VB to display the individual digits of a three digit number when I click a button. Sorry if this seems simple, or if it's in the wrong place.
View 8 RepliesI can't round up the decimal number using VB.net
i'm using Cint(12.5) this must be 13 but it is not so i try Round(12.5) but still not roundup what do i do?
I have a vb application that need to round a number down e.g. 2.556 would become 2.55 and not 2.26
I can do this using a function to strip off the characters more that 2 right from the decimal point using this[code]\...
how can i always round a double up?
2.3 = 3
2.5 = 3
2.8 = 3
i always want to round up to the nearest whole number
Is there a number format in .Net that will display a given number of significant digits, but also NEVER displays in scientific notation (for example,declaring 3 sigfigs you would have 1234.567 = 1230 and .000123456 = .000123)
View 4 RepliesI have a number, e.g. 1.23456789, and need to display 3 digits only, which will be 1.23. Which function can handle that?
View 6 RepliesI have to do one project like : 1.Complete the code to convert a 3 digit number to Text (Number > 19) 2.Adding suitable conditional statements modify to code to support the whole range of 3 digit numbers.
View 3 RepliesIn the function it returns the no in one digit .I want it to always return 2 digit number.Like if it is 0, it should return 00.
Public Function GetHexColor(colorObj As System.Drawing.Color) As String
Return Hex(colorObj.R) & Hex(colorObj.G) & Hex(colorObj.B)
End Function
I would like to know how to detect a two digit number within a string.
For example: how can I pull the number 42 from that string?
Can i add, subtract, times, divide 40 digit number to 40 digit number ... example:
dim a as double = 1111111111111111111111111111111111111
dim b as double = 1111111111111111111111111111111111111
dim c as double
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How could i round an integer number based on the last digit of the number?
For example:
Dim x As Integer = 12
Dim y As Integer = 139
Dim z As Integer = 2322
[Code].......
I am trying to round a number but I keep getting an Infinity number. How do I round this.
4000 / 7135 * 100 Here's the code I've tried.
Round(readVals(0) / Scaling1 * 100 + ActualValueLow1, 2)
FormatNumber(readVals(0) / Scaling1 * 100 + ActualValueLow1, 2)
Decimal number in my textbox I need to round to the nearest even number. Is there any idea how to do it?
View 21 RepliesRecently I tried to make a command which will sum the digits of a number in a text box I used the following code
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Does anyone know the range of digits of Motherboard Serial Number?
View 5 RepliesIm wanting to use a textbox for the entry of Decimal figures (currency). Is there any way I can have it so if a user does not put a decimal figure (ie 15 instead of 15.00) it will put it on.
I tried a masked textbox, but that means i have to set the maximum number of digits before the decimal too which is no good.