static void SelectData(DateTime start, DateTime end, int m)
{
TimeSpan ts = new TimeSpan(-(start - end).Ticks / m);
TimeSpan tsOneHalf = new TimeSpan(-(start - end).Ticks / m / 2);
arrDT = new DateTime[m];
arrTraf = new double[m];
RecordTableAdapter rta = new RecordTableAdapter();
DateTime dt = start;
for (int i = 0; i < m; i++)
{
arrDT[i] = dt + tsOneHalf;
double?bytes = rta.BytesPerInterval(dt, dt + ts);
if (bytes.HasValue)
{
arrTraf[i] = (double)bytes;
}
else
{
arrTraf[i] = 0;
}
dt += ts;
}
}
