Does Array.ToString() provide a useful output?

Option 1

If you have an array of strings, then you can use String.Join:

string[] values = ...;

string concatenated = string.Join(",", values);

Option 2

If you’re dealing with an array of any other type and you’re using .NET 3.5 or above, you can use LINQ:

string concatenated = string.Join(",",
                          values.Select(x => x.ToString()).ToArray());

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