How to make formatException gone in Datetime

Hi I just want to know how to make formatException gone when I'm inserting Datetime.

coding is in down below:

DateTime dob = Convert.ToDateTime(z);  dob.ToString("yyMMdd");  DateTime today = DateTime.Today;  today.ToString("yyMMdd");  var year = today.Year - dob.Year;  age = Convert.ToString(year);  return a;  

https://stackoverflow.com/questions/66037909/how-to-make-formatexception-gone-in-datetime February 04, 2021 at 08:54AM