// add visitors daily report public void addVisitorReport(Dictionary <int, Double> entryDict) { foreach (KeyValuePair <int, Double> entry in entryDict) { // retriving visitor associated with the visitor key Visitor visitor = visitorController.getVisitor(entry.Key); if (visitor != null) { this.DailyReportTable.Rows.Add(entry.Key, visitor.FirstName + " " + visitor.LastName, Convert.ToDecimal(string.Format("{0:F3}", entry.Value)).ToString() + " min"); } } }