I'm just beginning to learn about asp.net and need some help. I'm creating a web page with server side text boxes. I'd like to have some formatting associated with each one. For example, I'm building a financial calculator. One of the fields or textboxes will have a dollar amount. If the user enters "300000", as soon as they tab out I'd like the system to instantly change the format to "$300,000.00". I'm not seeing any input format that can be forced in the properties and I tried a few things with the Format method but have not been successful. Any ideas would be appreciated. Thanks.