_ _ Payment Enter Payment Information ``` Credit Card `` Cash Name on Land . Enter Order Total : Land Number . Enter Cash Amount Recieved . TYPE : I\...

In C# Windows form app how can I save a customers payment information that they entered if they checked Set as default billing method to a .txt file, then be able to search that .txt file by the customers name and pull the customers information back up in the designated textboxes?

Example of what form looks like

_ _ PaymentEnter Payment Information``` Credit Card`` CashName on Land .Enter Order Total :Land Number .Enter Cash Amount Recieved .TYPE :I\ Visa|~` Master[and American ExpressTotal :MonthYearExpiration Date _\} Set as default billing methodAuto FillMAKE PaymentExit