c# - How do I round a decimal value to 2 decimal places (for output on a page) -

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when displaying value of decimal .tostring(), it's accurate 15 decimal places, , since i'm using represent dollars , cents, want output 2 decimal places.

do use variation of .tostring() this?

decimalvar.tostring ("#.##"); // returns "" when decimalvar == 0

or

decimalvar.tostring ("0.##"); // returns "0"  when decimalvar == 0

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