How i convert dataetime to int and string to Int

DateTime datenow = DateTime.Now;int age=0;age =Convert.ToInt32(ddlyear.SelectedItem.Text).ToString();int result = 0;result =Convert.ToDateTime(datenow).ToString() - Convert.ToInt32(age).ToString();txtage.Text = result.ToString();

The code has serious issues it wont even compile.You are totally confused with the conversions. I would suggest understand the basics of assignment operations too.you are trying to store a string data into an integer variable 'age' at the following location which is wrong you never store a...

Your code is rather weird.You seem to have little understanding of the C# type system[^].You seem to try to calculate a start date/time by subtract some "age" from "now".What is "age"? seconds, minutes, hours, days, weeks, monts, years, centuries, mayan-cycles ;-)...?Anyways: when...