I just joined because I'm a newb/student in VB. Currently taking a VB course but just don't understand why this is giving me a problem. If anyone can explain/help it would be great. The problem lies with the "red" 1 that is highlighted. I don't understand what is wrong with it. PS: this is statement applies to the LUHN method for credit card verification.
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I am looking for a solution to implement Credit Card processing to a POS system I have written. I have been coding VB for about 7 years but never had a need to process credit cards.
View 1 RepliesI have a Credit Card Number in an XML Message and I want to use a regex to find the Credit Card Number and encrypt it. All numbers are 16 characters long and they are not always in the same place in the xml, so basically I think I just need to find a string that is 16 characters and decrypt it, but I am not sure how.
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I am working on a Credit Card Project Program. Where you can create an account by typing in an account number which then starts you out with a $1,000 credit limit and balance.I have most of all the programming done for the project. Except for the updating of the current balance when charges are made and I'm having a problem with the interest which works but only shows you the interest fee when you calculate and not the interest fee + balance due. But I wont worry about that now.
What is the method of doing this. Can I write a new function that will update the balance available based on the charges or payments made? Or can I somehow program that into the current functions?
[URL] I am using the magtek Intellistripe 65 insert card reader and i want to connect the device thru my POS application developed in .NET. I have also tried the sample VB code provided by magtek. But i am not able to access the device.
View 2 RepliesI need to make a app that verifies a five digit credit card number. The check digit is 5th and is found by multiplying the 2nd and 4th digit. Heres my current
Dim strInput As String
Dim strOutput As String
Dim intSumOfDigits As Integer
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I have a text box on a form. It is a masked text box that shows in the format XX/XX.It is used for the expiry date of a credit card.What I need to do is how to take a value like 08/11 which means August, 2011 and check that it is in the future.For example something like 08/09 would be last year and hence would be invalid.Is there any way to take this string and check?
View 3 RepliesWhen user click it, it will bring a second form with a waiting animated gif sitted into picturebox..but at the same time it will call processingcard.dll to link to the bank and get results. when finish getting results, the form2 will be closed. if i just show form 2 with animated gif 'Please wait...while processing" when i click button, it works fine[code]...
View 4 RepliesI 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've got a site using .netCART. It's running fine in production with Windows Server 2003 and .NET 2.0. On the new server (Windows Server 2008) everything is working except for credit card decryption in the store admin. No errors are being sent, no exceptions thrown, just the encrypted string being output to the screen instead of a decrypted credit card number.
Dim strCCEncrypt As String
strCCEncrypt = Trim(DataRow.Item("CreditCard"))
strCCEncrypt = tools.Decrypt(strCCEncrypt) 'tools is a .netCART utility
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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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Which syntax is to be used in order to retrieve that IconCriteria(2) applies to cell C5.[code..]
View 2 RepliesThe situation: I have a datagridview with one column (col1). In the datagrid definition (design view), i have created this row, and set the formatting to C2 (or C0, or C - I tried them all). then, I load my datagrid view pro programmatically :
dbl_myValue as double
dbl_myValue = 6.99
datagridview1.item(0,0) =
dbl_myValue
The datagridView shows the data correctly : 6.99$. When I "spy" on the datagridview.item(0,0), the "Value" property is a Double.
the problem: It don't work if the user manually enter a value : click in the cell, enter a numeric value (let's say 100, without decimal to avoid complexity) and then LEAVE the cell (so no more in EDIT mode). The formating just don't applies. When I "spy" on the datagridview.item(0,0), the "value" property is a STRING. So I guess this is the problem, but how can i do?
Is it possible to capture the raw signal from a WiFi card in the same way you can capture the signal from a sound card? (I already found code for working with a sound card and for drawing spectrograms) I'm wondering because it would make a cool radio-type project. I'd prefer a solution that integerates well with .net (VB or C#).My basic goal is to capture the ambient radio waves and build a primative "telescope" of sorts. Using the built in computer hardware is just the easiest way to accomplish this. If you have any other suggestions about how to accomplish this goal in a different way please post it as an answer also.
View 1 RepliesI want to create an application that can detect usb card reader device and when i swipe the card it should read.The below code WORKS PERFECTLY IN VB.But when i converted it to vb.net it is showing some problem.Below is the code for that.
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i want to read data from smart card using card reader.i need vb.net code help as well as total process that mean what dll/exe will be needed and how can i determine that the card is inserted or ejected from card reader?
View 3 Repliesi have windows app i want to disable the sound card and enable the sound card by using command button
View 2 Repliesi have a script with a login form that creates a folder per user with username.txt, password.txt, firstname.txt, and lastname.txt. - auto creates when creating new user.after i log in and change form i want an label showing the first and last name of the person logged in,how am i supposed to do that? is there any way to make like an "admin" form where new account applies will pop-up when "admin" log in and then either accept or reject new users?
View 8 Replieshow can implement smart card and private key stored in smart card by using vb.net
View 1 Replieshow can implement smart card and private key stored in smart card by using vb.net
View 3 Repliesi have to develop a ticketing package for a client...and he wants to use smart cards too...i would need to develop the package on a smart device i.e. a mobile application and will have to read the card on the device itself ...i have zeroed on the instrument from motorola. and an blue tooth connected printer to print the ticket.how to read the smart card ...i have searched a lot but have not found anything good.the smart card would contain the amt. balnce in it...and after the transaction i need to again enter the balance in the smart card...
View 7 RepliesI would like my website to accept credit cards online. I will manually process the payment. How can I make sure my website is secure to accept payments? Does VISA have specific requirements? Also, how can I check that the credit card information is valid?
View 1 RepliesMaybe it's a simple quiestion but i realy don't know how to solve it... i've searched on google bu i did not find any clue how can i check the MaskedTextBox..I have put the mask "##/##/####" (to serve as a date input) and i dont know how can i check this do not be empty... i have tried "__/__/____" and also " / / " and "##/##/####" but nothings working.
View 4 RepliesI have been given a project to do were i have to create a credit union application in VB2008, what i need to create this application etc like how many labels textboxs etc obviously i need to create it but all am asking is if you could tell me were to start as i am lost and never really created anything in vb 2008.
Here is the spec:
The client is prompted for their name and a personal reference number. If the application is successful then this number becomes the loan agreement reference number. If the applicant has a credit rating of 14 or more points the application is rejected. If the credit rating is less than 14 points then the client is prompted for the loan period (must be equal to 12, 24 or 36 months) and the amount required.
The cost of the loan is 6% if required over 12 months and 8% if over 24 months and 12% over 36 months. This is added to the loan. The applicant's net monthly income and total monthly outgoings are taken into account. If the monthly repayment is more than 25% of disposable income (net income outgoings), then the application is rejected. If the repayment is less than or equal to 25% then the loan is granted and a form is produced and printed with the relevant information, including the loan and repayment amounts.
I'm trying to get extra credit for my class.
View 1 RepliesI have been given a project to do were i have to create a credit union application in Visual studio2008 am just wondering if you could tell me what i need to create this application like how many labels textboxs etc obviously i need to create it but all am asking is if you could tell me were to start as i am lost and never really created anything in vs 2008. here is the spec
The applicant's age is considered, thus
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The client is prompted for their name and a personal reference number. If the application is successful then this number becomes the loan agreement reference number.
If the applicant has a credit rating of 14 or more points the application is rejected.
If the credit rating is less than 14 points then the client is prompted for the loan period (must be equal to 12, 24 or 36 months) and the amount required.
The cost of the loan is 6% if required over 12 months and 8% if over 24 months and 12% over 36 months. This is added to the loan.
The applicant's net monthly income and total monthly outgoings are taken into account.
If the monthly repayment is more than 25% of disposable income (net income outgoings), then the application is rejected.
If the repayment is less than or equal to 25% then the loan is granted and a form is produced and printed with the relevant information, including the loan and repayment amounts.
i create project using VB6 when i try to drag cantrol in my form it give me error (Cannot load verification module) the control is " fplivx activeX control module "
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i have been trying to register VB08 express for over an hour and have not recieved the verification email yet. has this happened to anyone yet? I tried multiple email addresses, checked junk folder...refreshed, sign out...etc.
View 2 RepliesI have an VB.net Login Module and what I want to do in this module is to know whether the account being logged in is being used or it's online. Ex:
If I logged in then it will say "User is already logged in" etc etc. I am using MS SQL server 2008 r2 for may database.
Imports System.Data
Imports System.Data.SqlClient
Public Class Login
Public sstatus As String
Private Sub GlassButton1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles GlassButton1.Click
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I'm new with VB programming and would like to know if anyone can look/test this code I have written. I don't have the ability to test right now because I'm at work and can't get VB installed on my desktop. This program is supposed to display the amount of gross pay for employees based on their weekly sales (if $5000 or more times 9% + $200) while using a one dimensional array.
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