c# - How do I format a number with commas?

Question

int a = 10000000;
a.ToString();

How do I make the output?

10,000,000

question from:https://stackoverflow.com/questions/699921/how-do-i-format-a-number-with-commas

Answer 1

Try N0 for no decimal part:

string formatted = a.ToString("N0"); // 10,000,000