Make Paypal IPN Work?
Mar 14, 2011
I am using the code below for paypal notifications. I checked the notification history and it comes back as payment_status is Complete BUT the VB code performs the code for the "INVALID" case...
'Post back to either sandbox or live
Dim strSandbox As String = "https://www.sandbox.paypal.com/cgi-bin/webscr"
Dim strLive As String = "https://www.paypal.com/cgi-bin/webscr"
Dim req As HttpWebRequest = CType(WebRequest.Create(strSandbox), HttpWebRequest)
[code]....
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Apr 21, 2012
visual studio 2010 using vb.net for my windows form.I am trying to get some direction on how to integrate paypal into my windows form application. Currently, I have an expiration date on the software that loads a registration form when the software expires. I would like to add a button that can do the following:
1) open paypal to allow the user to make a payment for the software
2) send the information back to my form (successful payment or unsuccessful payment)
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Feb 2, 2011
I have an application that requires data be entered, and after entering, a button is clicked to process that data. Clicking the button works just as it should--the data is processed properly. In constructing a test module, I provide a set of data values, followed by:
btnWhatever.PerformClick()
Nothing happens. I have used this syntax for years, and it has always worked flawlessly. I have triple checked everything else and isolated the problem to the failure of the PerformClick(). The PerformClick() is in a test subroutine that does nothing but fill textboxes and labels with default data, then calls the PerformClick() on the button to begin processing. Again, the button works fine, the data is entered as it should be, but the PerformClick() does not fire the click event.
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Jun 8, 2011
How to make my counter work. I keep feeling like I'm putting it, or maybe just part of it, in the wrong place so I've been moving it all over the place but haven't found anything that works yet. I'll paste my code below and it will be the code that seems to not stop when it reaches the end of my counter. Other ways I've tried it make it stop after one or two, depending on what I did to the code at them time.
Here's what I have at the moment:
Public Class mainForm
Dim guessCounter As Integer
Dim correctAccumulator As Integer
Dim totalAccumulator As Integer
Dim answer As Integer
[Code] ......
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Jan 1, 2011
VB.NET While 1 = 1
Dim localRecv As New StreamReader(localClient.GetStream)
Dim aString As String = localRecv.ReadLine
localRecv.Peek()
MsgBox(aString)
End While
Basically "aString" will keep updating if new data arrives to the server. This way does work, and keeps MsgBoxing every time I get new data, but I don't wanna use While, I need something else, because It won't run any other code, just keeps looping that. :/
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Jan 24, 2012
I am using datagridw view control for input purpose but when the datagridviewcell in edit mode the it is no problem to move current column to next column but when it is not in edit mode then and pressing enter key then it is moving to next row and the same column. but how to take over this problem please give me dn idea.
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Apr 18, 2011
How to make a 32 bit VB.Net com add-in work with 64 bit Office 2010?
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Aug 9, 2009
I'm looking for some advice on how to make my app work with different resolutions as I have posted a demo game on the forum but the game was designed on my laptop which is set to 1280x800 but a few people who have tried the demo are having problems as they are using 1024x768.
Is this a case of getting the computers resolution when the app starts and alter the size and position of controls?
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Mar 30, 2011
Below is a test program I am trying to get working with using SENDKEYS to send strings to a window.The appactivate never makes the notepad window become the current window in focus and the sendkeys doesn't work.
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Feb 3, 2010
this is a discussion on what is the best way to add License's to your Program and the Best way to obtain/buy one using Paypal
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Mar 15, 2012
I am trying to get my PayPal IPN code behind to work, but I've got a couple of compiling errors which I've put a capital letter comment next to. (Sorry about the grammar !)Also, although I pinched the script from the PayPal site, I've had to alter a few little bits. Generally, are there any glaring errors or things I should do differently ?
<code>
Imports Microsoft.VisualBasic
Imports System
Imports System.Data
[code]....
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Aug 18, 2010
I made a custom button to input keypresses:
<Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _
Partial Class KeyInputButton
Inherits System.Windows.Forms.Button
[code].....
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Aug 12, 2010
I'm trying to convert a function in C# to VB.Net 2008 and can't seem to make the Lamda expression work. The code is taken from a neat little C# SMTP server that saves emails to Azure blob storage
[Code]...
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Feb 13, 2012
I am making a game that involves moving picture boxes automaticly i can get the boxes moving but I need them to be object orientated but when I try to make it a class i am not to sure how to declare the veriables to make it work. [code]
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Aug 19, 2009
i have a timer and i want its calculation will be done on another thread, since the timer tick event start whenever its enable property is set to true i don't see how to force it to work in another thread.
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Feb 3, 2011
I need to write a program that uses 'try' in it
the program can only accept a number if its bigger than 3 otherwise it would give a error message and return to the start of the [code]...
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Nov 16, 2009
Im trying to make a counter/timer but cant get it to work,
i have a timer and a label
ive been trying to get it set to "00:00:00" Hours,Minutes,Seconds
It justs needs to keep counting up each time.
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Jul 21, 2011
Do you know how to work backgroundworker with this code? The request would be as I pulled out of google with a background worker and if so it is possible to collect links from google pagination.
[Code]...
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Jan 28, 2010
I'd like to use it to do some graphing. I'm trying to make MS Chart Control work, but all tutorials/code snippets that I've seen require ChartName.ChartData to populate the chart. When I enter this, I get the blue squiggly line of death:
Private Sub Form1_Load()
Dim array(1, 1) As Object
array(0, 0) =
[code]....
why this is happening? When I hold the mouse over Chart1.ChartData, I get the message "ChartData is not a member of System.Windows.Forms.DataVisualization.Charting.Chart".
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Jul 11, 2011
I completed my VB project a while back and it worked great in XP.Now the same program is needed on computers that have Win7 installed.The program installs without any problems, but when I open it, it gives me an error saying the database is not accessible.
I used Visual Studio 2008 and SQL Compact to design the project.The database was included in the project and in the installation file. I also checked the Programs folder and the database was installed correctly into the correct path.What is the problem with my programs compatibility with Windows 7?
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Sep 29, 2009
I just can't run any of Data sample codes that come embedded with VS2008. I'm trying running CreateDB example but I can't make it work.How can I configure Data Connections? [code]
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Apr 25, 2010
I want to ask for the steps that i have to do and a code to use for a e-shop using paypal. is there a standard code that it is used for these transactions?
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Nov 2, 2010
I'm looking to add a Paypal button to one of my forms in VB.NET 2010. I have the following code
[Code]...
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May 21, 2011
i am going to put a trial version of my applicaton on various websites such as softpedia and download.com....but i heard that you can set up a little website through paypal to sell the downloads of the full version...i have looked around the internet and paypal but not sure how to do something like this...anybody else know?
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Aug 26, 2009
I want to enter a formula in VB but don't know how to proceed.
The formula I use in Excel is as follows
=IF(B2="A",M2*20.27)+IF(B2="B",M2*15.96,0)
How can I write a formula to make the same thing work in VB
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Dec 9, 2009
[URL]
In here output is:
../../xxx/xxx.asp
Which looks correct almost all web servers will process the two of the following as same request:
[URL]
What's the best way to fix this behaviour is there any API to do this, or shall manually create a new URI and remove all // in the path?
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May 29, 2011
I followed the Quartz manual to the dot and still I'm not sure why it isn't picking up the GetDeal.vb (Quartz job) in Global.asax. It never went into the _scheduler.JobGroupNames and _scheduler.TriggerGroupNames loop as follows:
Sub Application_Start(ByVal sender As Object, ByVal e As EventArgs)
Dim factory As ISchedulerFactory = New StdSchedulerFactory()
_scheduler = factory.GetScheduler()
_scheduler.Start()
[CODE]...
I've attached a link to download my Project here. how to make it work?- [URL]
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Sep 8, 2011
I have an asp.net vb project that needs to parse some raw XML that is coming out of a database the XML is laid out like this:
[Code]....
I know that the error is because the attributes are not quoted. Is there anyway to make XmlDocument understand the attributes anyway or an easy way to use a reg expression to add quotes to the attributes before loading the string into the xmldoc?
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Nov 11, 2009
i got 5 treeview with checkboxes when i click button update i need to uncheck all the checkbox i also got a button which can clear all the checkboxes which it uses javascript function to clear i was wondering whether execute update after tat execute clear button automatic? it tat any way to implement this function? here is my java script of clear button which word perfectly
[Code]...
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Apr 10, 2009
i have finished build a simple inventory program. But this program just only work in single pc not at network. Could any body tell me how to make it work in network (multiple pc in network)?
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