tutorial

Add/Edit/Delete Using CodeIgniter

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In my previous example about Shopping Cart with Checkout Using CodeIgniter, I have a products table but without a product management. In this code sample, you’ll learn how to manage a product with add/edit/delete function using CodeIgniter. BTW, I have change the primary key of the products table from “serial” to “id”. This code is totally a separate project. But you can also learn from our

Shopping Cart with Checkout Using CodeIgniter

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This shopping cart is using CodeIgniter framework that allows you to add/update/delete a product from the cart. I am using the database in my previous post as a fixed on the existing shopping cart I found in the internet. This code is totally different from the code at “ How to Build Shopping Cart w/ Checkout in PHP”. It has a cleaner code, secured and most importantly easy to understand. Shopping

How to Open Cash Drawer using VB.NET

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I just want to share with you the code that I have found on the internet on how to open a Cash Drawer using VB.NET. I am in no way claim this code as my own work. I want to share this with you because there’s a lot of question on the internet on how to open a Cash Drawer on VB.NET. The code will simply open the cash drawer using either the LPT port or COM port.

How to Change Connection String of VB.NET Project at Design Time

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One of the problems that a beginner encounter when there is a project uploaded here, is they do not know on how to change the connection string that points to the correct database location. This is true with MS Access and even with SQL Server. Some programmers don’t add a code that will automatically change the location of the database just in case it will be ported in other machine.

Correct Way to Open a Windows Form in VB.NET

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Few months ago I encounter a problem with my windows form bound using a DataSet. When I open the form the first time, it seems that everything is fine. But when I open it again the second time, the fields are become blank. This happens when you trigger the “PerformClick” of “BindingNavigator” under the Form Load event.

This is not actually the common mistake that I encounter. But maybe, you encounter this problem also if you are used with VB 6.0 before.

Here’s the code to open the windows form the correct way:

How to Change Connection String at Run Time

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One of the challenging parts in VB.NET is to change the connection string of your database location when you run your application.

This tutorial will help you solve this problem. This will apply only to SQL Server but it can be also modified easily to work with MS Access and other DBMS.

In my case I initialize this on the Form Load event on my Login form.

How to Add Table to Your Existing Database

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In my previous tutorial I discuss on “How to Create Database in SQL Server 2005 Express Edition”. This time you will learn how to add a table in your “LibSys” database using SQL Server Management Studio.

Since LibSys database may contain several tables, I will only teach you to create at least one table and the rest will be done by executing a script.

Visual Basic .NET 2008 Tutorial

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In this tutorial I will teach you on how to create a Windows Application using Visual Basic .NET 2008. For the sake of this tutorial I will be using Library System as the system model.

I came up with this idea in the hope to help beginner who wish to learn Visual Basic .NET the EASY WAY. I know there are a lot of tutorials out there but they focus on different things. Unlike this tutorial I will create an actual application which will guide you up to the end of this article.

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