Create A Simple Cash Register?

Nov 21, 2011

My assignment this week is to create a simple cash register. The kicker here is that I have to have an input box pop up to accept the data. I know I need to use a Do Loop here, but I' not sure what the proper condition should be. Hitting cancel on the input box or inputting nothing ought to terminate the loop.

Private Sub btnCheckout_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnCheckout.Click
Static decPrice As Decimal
Static intCount As Integer
Static decSub As Decimal



Cash Register Program - Opening Drawer?

Feb 9, 2010

I'm trying to convert an ancient cash register program to .net. Conquered everything else, but I can't pop open the cash register. Its connected to COM1, you are supposed to send a "trigger" text down COM1 that will cause the register to open.

Here is the .net code.
MsgBox("Opening Drawer")
Dim port As System.IO.Ports.SerialPort
port = New System.IO.Ports.SerialPort("Com1")
port.PortName = "COM1"
port.BaudRate = 9600
[Code] .....

I get msgboxes "Signal Sent", "Done Pop Drawer". It just won't pop. It's an MS-Cash Drawer (EP125KC). Definitely connected to COM1, definitely has power. Chr(65) is the old code used to pop drawer and it works:
Open drawerComPort For Output Access Write As #1
Print #1, Chr$(65); "A";
Close #1
The above code worked successfully. The root problem was caused by a reversed power cord (negative was on the wrong side).

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Make A Cash Register Program That Uses An Inputbox?

May 7, 2012

I need to make a cash register program that uses an inputbox.

The outcome should be like this example[code]...

It should open a input box asking for the amount of each purchase and loop until all purchases have been entered

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Math / Change Return For A Cash Register

Feb 6, 2011

Im getting mathematical errors. the part that I'm having problems with is, first, it doesn't add the tax to total the correct way. It adds it correctly if I put a dollar(1.00) but when I type one hundred dollars (100.00) it doesn't add the tax correctly. I am trying to compute and display the tax on the new subtotal. Second, it is not adding the correct change to the label in dollars, quarters, dimes, nickels, and cents. Third my arithmatic is not adding correctly when it has to do with the change due back. . Finally, forth I am also trying to do the following:

* add the total for this item to the order sub total and display the new subtotal.

* I have 2 clear buttons, one clears item, the other clears order the clear order button shoule clear out the change due and bordered label and have the subtotal reset to $0.00. The clear item should just clear out the quantity, unit price, and item total textbox.

* When the user has entered the amount of money tendered by the customer and click calc order button, the program should use the amount tendered and the current order total to compute and display the change due to the customer.

* the change due should be displayed in currency format in the readonly label, and should be displayed in terms of the number of dollars and coins due in the bordered label. [code]

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Subtraction - Program That Sims A Cash Register ?

Feb 17, 2009

I am writing a program that sims a cash register. Everything works fine except VB will not compute subtraction. If I put a replace - with + everything works. What could be the cause of this?

Here is part of the

'Convert input into number
isConverted = Double.TryParse(owedTextBox.Text, NumberStyles.Currency, NumberFormatInfo.CurrentInfo, owed)


***********If owed is 10 and paid is 5, it returns 0, but if I change the - to either a + or *, it returns the expected value

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Jan 27, 2012

how to develop a cash register app. in visual basic 2010.

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Cash Register Program With Separate Forms For The Items And The Display Form?

Jan 15, 2011

I have this cash register program with separate forms for the items and the display form. The code works untill you press the button 2x. It says 5.5 + 5.5 = 11.5??? Can you fix this code?

CashReg.ListBox1.Items.Add("Item 1")
Dim cash As String
cash = (5.5)[code]....

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Reate A Socket Class In Project To Send Data To Ecr (electronic Cash Register)?

Jan 9, 2012

I am trying to create a socket class in my project to send data to ecr (electronic cash register).Ecr comes with software that listens for commands on port 3535. Command are in forms of XML Files. It has only one catch, I must close the connection on socket, so the ecr would know when to process the command and respond. Since I only send one command at a time,I need the simplest solution I can get.

How it works:I create the socket and connect it to I start 


Then I send the command with


 And I do a 


so I can get response from ECR.And in 8 of 10 times it works just fine. The problem is this few times it doesn't work.At that time I cant receive anything because it reports that the client is not connected in ReceiveCallback but it still manages to send the data to ECR just fine. The bill comes out on the ECR, but I get no answer about what happened.

I call the class like this:

Dim dre As New HCPSocket
Result2 = dre.Otkucaj(Command1, "")
dre = Nothing
End the class looks like this:

Imports System
Imports System.Net
Imports System.Net.Sockets


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Sep 8, 2009

i am pulling together a cash register that will allow both bar code product entry and manual key entry.imagine if you have a tin of beans in front of you, in a small corner shop they would probably type "47" and then hit "Produce". Fairly straight forward as I have the button Produce to act upon my code and update my salestrans.mdb but,if you scan the bar code I want the same form to handle both 'real' actions, (i assume that keyboard emulation barcode scanner includes "ENTER" after providing 13 digits)....

Q. in perhaps a long winded way i want to know how to kick off an event based on the "ENTER" key being activiated by the barcode scanner)?i do not want to have to hit any buttons if i am scanning bar codes.

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Aug 2, 2010

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Jan 4, 2012

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User selects Parent FolderX
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Compare multiple strings of text in a specific order based off of file name to constants i have set for that named file Then continue to ChildFolder2 ( Constant for ChildFolder2 says open file 16 ) > File 16 Compare multiple strings of text in a specific order based off of file name to constants i have set for that named file If there is any constants not read in one of the files after all have been checked, return msgbox with a notification and write .txt log with child folder and file names to specified directory?

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2) I do not want to use access or the designers to create the database either


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Private Sub Log
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End Sub


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I am a beginer and I am trying to create a simple web browser using Visual Basic 2005 Express Edition.

Public Class Form2
Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)


As you can see from the above code I do not have forward, back and stop buttons. Thats because I do not need them. The browser will be configured to go to a certain website directly.

What I need is this browser should be configured to use specific JRE. That is the browser should use ONLY JRE 1.3.1 or ONLY JRE 1.4.2

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I thought that some glass streaks, for example, in addition to the blue transparency would lend a nice effect.I've Googled around for GDI+ (and others) algorithms to do simple things painting like this but have come up empty. I prefer .NET but can figure out the painting from pseudo-code on up.

Sorry, shoul've also specified that I need to target WinXP and using .NET version 2.0 - So unable to use WPF or Vista/Win7 goodies.

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Dec 18, 2010

today I attempted to create a simple application using codedom.Basically I want to be able to compile a messagebox with the custom text entered in the builder.

This is what I have so far.

ICompiler.vb Class "Codedom" Class and in my main form "the builder I have this


If no one could help me perhaps does anyone have a simple source example?

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Apr 20, 2010

I wanted to create a simple application which has 2 forms.the first one contains a combobox which has the list of names of i select this report and click on next which takes me to the 2nd form.there i have to enter 4 values(or parameters)like the date from and date to and other 2 values...using these 5 values i want to retrieve the respective reports from the archive folder based on these parameters...i just know how to select and move to the second form from the do i achieve my goal of retrieving the pdf files.i want the result in a table form which will have column names of the parameters i pass and the last column with the report pdfs.

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Mar 29, 2011

I want to create a simple calculator using only 1 textbox , 1 button and 1 label, but I don't know how to create the code.

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and if i press the button it will calculate and the answer the label will show the answer (55).

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I am trying to create a simple DVD Player with Visual Basic 2008 (Express). But I am trying to find this item for the Toolbox-"MSWebDVD".

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instance 1-
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Feb 20, 2010

I recently started working with and I am just trying to create a class that has two properties one is StoreName and the other is StoreImage. What I am trying to do is figure out how to create objects using this class? Each object will be a Store that has a corresponding Name and Image to go with it. Here is the code I have written so far although I am not sure if im headed in the write direction with the function. Also not sure if it matters but I am using ASP with VB?

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Dim NameofStore As String
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I thought also, I may do something with an RS232 stream and then use an external hardware dialer.....if I did that, I'm sure I could do the code in a Sub.

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