How to add characters to a string in C#

Question

Problem: I would like add characters to a phone.

So instead of displaying ###-###-####, I would like to display (###) ###-####.

I tried the foll

Answer 1

To insert string in particular position you can use Insert function.

Here is an example:

string phone = "111-222-8765";
phone = phone.Insert(0, "("); // (111-222-8765
phone = phone.Insert(3, ")"); // (111)-222-8765