/// <summary>
 /// checks if an issue has been done from the receive document
 /// </summary>
 /// <returns>
 ///   <c>true</c> if this instance has transactions; otherwise, <c>false</c>.
 /// </returns>
 public bool HasTransactions()
 {
     var id = new IssueDoc();
     id.LoadByReceiveId(ID);
     return (id.RowCount > 0);
 }