title: A DataTable named 'Table' already belongs to this DataSet
body: <p>when i am adding second table(dtResult) to data set that time it's giving error </p>
  
  <p>A DataTable named 'Table' already belongs to this DataSet.</p>
  
  <pre><code>DataTable dtSession = new DataTable();
  DataTable dtResult= new DataTable();
  dtResult.TableName = "A";
  dtSession.TableName = "B";
  dtSession = objOpt.GetSearchDetails().Copy();
  ds.Tables.Add(dtSession);
  dtResult = objOpt.Search_Synchronous().Copy();
  ds.Tables.Add(dtResult);
  </code></pre>
  
  <p>Thanks in advance</p>