currency format

this is my code in VB.NET 2008 and it works :D as the result, i can input starts from 1.00 until 99.99 :o but i need more than this ;);) i want the textbox automatic validate the input as i typed in the textbox :confused::confused: example: i typed "1000" then the textbox will write "1,000"...

Hey, I'm very new to vb.net and i was wondering how to make a variable called amount and display it in a currency format using syntax ? I hope i explained this okay