title: Convert Arraylist into string in vb.net
body: <p>How do I convert an arraylist into a string of comma delimated values in vb.net</p>
  
  <p>I have an arraylist with ID values</p>
  
  <pre><code>arr(0)=1
  arr(1)=2
  arr(2)=3
  </code></pre>
  
  <p>I want to convert it into a string </p>
  
  <pre><code>Dim str as string=""
  str="1,2,3"
  </code></pre>