Removing extra commas from string after using String.Join to convert array to string (C#)

Question

I\'m converting an array into a string using String.Join. A small issue I have is that, in the array some index positions will be blank. An example is below:

Answer 1

Try this :):

var res = string.Join(",", array.Where(s => !string.IsNullOrEmpty(s)));

This will join only the strings which is not null or "".