PadRight left aligns the characters in this string, padding on the right with a specified Unicode character.
PadLeft right aligns the characters in this string, padding on the lefy with a specified Unicode character.
Example:
string str = "four";
char pad = '.';string str2 = str.PadLeft(7, pad); // "...four"
string str3 = str.PadRight(7, pad); //"four..."
