Convert Array List To Comma Separated String?

Aug 28, 2009

I'm using String.Join to attempt to turn an array list into a string that is comma separated, such as "1,2,3,4". I can't seem to get the syntax working.

Here's what I'm trying:

Dim aryTest As New ArrayList()
aryTest.Add("1")
aryTest.Add("2")
aryTest.Add("3")

[CODE]...

How can I go about doing this properly?

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I have a number of classes that all implement the same interface. e.g.

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[Code]...

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[Code]....

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[code].....

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[Code]...

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Check Jacob G Answer below for what i was looking for let me know your thoughts on it compared to join ;)

And whoever gave me -ve rep need to keep some patience and not hurry

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Regex 1:
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[Code]....

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[code].....

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[code].....

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[code]....

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[code].....

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[Code]....

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[Code]....

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[Code]....

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