C# Form Validation Class

A nice little form validation class. It provides validation for Phone, Email, URL and Zipcode but its real easy to extend.

Group By, Group, Take and Order By with LinQ in C#

At some point you'll need to group and order your results using LINQ. It's an easy task but a little bit hard to master since you have a few options. Lets imagine we have Voting Poll that people will vote on periods. The voting Poll has 3 tables TimePeriod, Items ...