How to create date textbox in wpf

This tutorial contains extended DatTextBox class and DateValidationRule class , which lets you directly access DateTime object and validates user input on the fly.

Generic Unique Vaidation Rule in wpf

Create custom validation rule (UniqueValidationRule) extending ValidationRule in presentation foundation. This example validates if the row already exists with unique name on the database table.

Codeigniter: oauth Login

How to integrate oauth login in any web application using CodeIgniter oauth library? This tutorial features CI class and views to integrate oauth authentication system from popular social networks like Facebook, Twitter, Tumblr, LinkedIn.

Wpf datagrid

Beginners guide to use wpf datagrid. Also includes code how to use DataGridComboBoxColumn inside wpf datagrid.