Strongly-typed access to previous page during cross-page postback
Simple one line code to disable and change the text of the button that goes triggered after submit behavior.
If you don't have smtp server or you are offline, you can still check you email seeing codes using this easy technique. Also yo can avoid accidentally sending mails to real email ids.
If you are planning to change your db columns from identity property to non-identity property by script these codes will help you.
One benefit of using parameterized query is to work date time on servers with different regional settings. This article will help you insert date time on sqlserver for asp.net site that can be hosted on any region regardless of UI-culutre settings.