How enter Multiple values in a single Textbox and how to Spl

Question

hi Developers

How enter Multiple values in a single Textbox and how to Split it and How to Calculate it on both Running time and C#.

i have a Textbox named txtDetails i should enter Many values or More than one value .

i want to Split it by + or - or * and perform the calculation.

if i entered values like this 10+20-10 the result will be =20.

else

if i entered values like this 20 the result will be =20. thats all

this is my requirement still i have no idea about this . if anyone of know how to do this please guide me to i am done this task.

thanking you

Paul.S

Prayer throw, Impossible becomes Possible.