Join collection of objects into comma-separated string

Question

In many places in our code we have collections of objects, from which we need to create a comma-separated list. The type of collection varies: it may be a DataTable from whi

Answer 1

Here's my favorite answer adapted to the question, and corrected Convert to ConvertAll:

string text = string.Join(", ", Array.ConvertAll(table.Rows.ToArray(), i => i["title"]));