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2018年1月26日

Credit Card Validator control for ASP.NET

Download ASP.NET Test Form (includes binary) – 5 Kb Download CreditCardValidator class library project (includes binary) – 10 Kb

Introduction

A while ago I started working on converting an eCommerce payment gateway’s (DataCash) COM server to a native .NET assembly using their XML API. Once I had got a basic version working I decided to produce a [...]

4
 
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2018年1月26日

CAPTCHA Image

Download source files – 6 Kb

Introduction

CAPTCHA stands for “completely automated public Turing test to tell computers and humans apart.” What it means is, a program that can tell humans from machines using some type of generated test. A test most people can easily pass but a computer program cannot.

You’ve probably encountered such tests when [...]

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2018年1月26日

Is E-commerce Set to Replace the Conventional Intermediary?

Introduction

Businesses that have the means to process transactions and fulfill orders over the web are e-commerce businesses. E-commerce is not a new trend. Businesses have long performed transactions electronically using Electronic Data Exchange (EDI) mechanisms. However, the potential of Internet, most notably the WWW, as a medium to carry out e-commerce has just begun to be realized. [...]

5
 
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2018年1月26日

Encapsulate a CaptchaImage anti-spam project in a composite web control

Download source files – 22 KB Download demo project – 8.86 KB

Introduction

This article continues on an existing article found on CodeProject and written by Brainjar. You’ll find this project here. He proposed a good strategy to prevent web forms from spammers:

CAPTCHA stands for “completely automated public Turing test to tell computers and humans [...]

8
 
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2018年1月26日

Implementing Non-ASP.NET Posts in ASP.NET

When interfacing with some resources on the Web, you are sometimes provided with a little snippet of HTML code. For example, to insert a PayPal button on your Website, PayPal provides HTML code that may look something like this.

<form action="https://www.paypal.com/cgi-bin/webscr" method="post"> <input type="hidden" name="cmd" value="_xclick"> <input type="hidden" [...]
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XP Style Navigation Bar Server Control with collection property and embedded resources
 
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XYDataGrid
 
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Android Recycler View with Spinner Item Change Selection and Update UI
 
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Bootstrap Persian DateTimePicker
 
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Enhanced BrowseForFolder styled TreeView