Digits Grouping

[kashyap]

hi , I am Mr Kashyap

respected team,
my question is how to do Digits Grouping in .net application
ex.
first write 10000 and click on Digit grouping Button then display
10,000

so please guided me how to solve this problem

[kenobewan]

I believe that you can use a regular expression. Here is an intro if you are unfamiliar:
Regular Expressions in ASP.NET