private void PopulateDailySalesData()
{
List <RangeChartData> data = SalesProvider.GetDailySalesGroupedByChannel(DateSelectorControl.CurrentDate).ToList();
ChannelsRevenue = data.GroupBy(d => d.SeriesName).Select(item =>
new ChartData()
{
Value = item.Sum(x => x.Value), PointName = item.Key
}).ToList();
EarliestDateTime = data.Min(x => x.Argument);
ChartControl.DataSource = data;
ChartControl.DataBind();
}