vb.net - Data Masking in asp.net -

i want display confidential data bank account number, mobile numbers in 123**********1232 format in asp.net controls. 022-23232-2322 022*********2322 , on update should save actual data entered.

how achieved in asp.net?

if want mask users can't update commented, it's simple:

dim number = "022-23232-2322"  dim token = number.split("-"c) dim masked = string.format("{0}{1}{2}", token(0), new string("*"c, 9), token.last()) 

result dersired: 022*********2322

of course have store real number serverside or load database when need it. should never need unmask it. if authorized user wants update new value , don't need old. if need reload data-source.