Visual Basic .NET

Sample Invoice with Master/Detail Form

In this sample you’ll learn on how to save record programmatically using VB.NET. A DataGridView is used to save record in the related table. You will also learn on how to get the last value of the primary key in order to save the related record. This is a very simple program that can be used to expand your knowledge on database programming. I am using SQL Server Express 2008 for my database

Number Only in TextBox

After receiving a lot of emails about how to filter keys that accepts only number character, I decided to post this simple code to illustrate on how easy it is to allow only numbers and other character like comma (,), Period (.) and Backspace key. So far this is the best code that filters character on a textbox. There are lots of codes on the internet but some don’t allow backspace and a comma