[]
Gets the number of ISeries objects in the collection.
Use this property to determine how many data series are currently contained in the parent chart.
int Count { get; }
ReadOnly Property Count As Integer
worksheet.Range["A1:C3"].Value = new object[,] {
{"Month", "Sales", "Profit"},
{"Jan", 100, 35},
{"Feb", 120, 40}
};
IChart chart = worksheet.Shapes.AddChart(ChartType.ColumnClustered, 20, 20, 300, 200).Chart;
chart.SeriesCollection.Add(worksheet.Range["A1:C3"], RowCol.Columns, true, true);
int count = chart.SeriesCollection.Count;