public static string GetDayReport(DateTime start, DateTime end)
{
var res = new List <DataPoint>();
var list = reportDAO.GetDayReport(start, end).ToList();
int index = 0;
for (DateTime i = start; i <= end; i = i.AddDays(1))
{
if (index < list.Count && DateEquals(i, list[index].date))
{
res.Add(new DataPoint(list[index++].Total, i.ToString("dd MMM")));
}
else
{
res.Add(new DataPoint(0, i.ToString("dd MMM")));
}
}
return(JsonConvert.SerializeObject(res, jsonSetting));
}