title: DataTable already belongs to another DataSet
body: <p>This error is occuring while adding one datatable from a dataset to another
  ."DataTable already belongs to another DataSet."</p>
  
  <pre><code>dsformulaValues.Tables.Add(m_DataAccess.GetFormulaValues
  (dv.ToTable.DefaultView.ToTable(False, strSelectedCols)).Tables(0))
  </code></pre>