Comparing two objects properties to see if they are the same is something that does not come "out of box" with .NET. I have heard/seen many frustrated programmers use the .Equals function to try to determine if the objects are the same. This does not do what you think it does, it actually compares the memory adresses of the objects to see if they are the same.

Read more »

This was brought up in a discussion I had a few days ago. SQL injection is an attack that can be used against your web pages if you do not code correctly, no matter what language you write your web pages with, but i will focus on .NET. It is an exploit that allows people to run their own sql statements (scary huh), or change what the orginal query was expected to produce.

Read more »

I wanted to take some time and go back to the basics. In this post i will show you how to execute a stored procedure against a SQL server database, with both VB.NET and C#.

Read more »

Have you ever had a program that should only have one instance. Well Visual Studio has a built in function to do this under your project properties->Application and if "enable application framework" is checked you can check the box to make it a single instance application. This requires that you start your project with a form. But what if you want your windows form project to start up with a module? You have to check yourself...

Read more »

One of the best ways to improve the usability of a web page is to use Javascript. in this post I will show you how to limit what characters on the keyboard a user can enter into a form.

Read more »