title: Option Strict ON prohibits operands of type object for operator &
body: <p>I have a code like this and have just added </p>
  
  <pre><code>Option Explicit On
  Option Strict On
  </code></pre>
  
  <p>to the top of the file.</p>
  
  <pre><code>   For Each dr As DataRow In issues.Rows
         _issuesList &amp;= ", " &amp; dr(table.PKeys(0).Name)
         If issueError.PROBLEM = "MISSNG" Then _myList &amp;= ", " &amp; dr(issueError.NotFound)
     Next
  </code></pre>
  
  <p>Now it doesn't compile and gives error on this part of the code:</p>
  
  <pre><code>dr(table.PKeys(0).Name)
  </code></pre>
  
  <p>Error:  <code>Option Strict ON prohibits operands of type object for operator &amp;</code></p>
  
  <p>I have coded in C# and just had to make some changes in VB.NET code,  What is this error and how can I fix it?</p>