# Add Data Series to the Chart
## Content
To add data series to the chart using the C1Chart floating toolbar, complete the following steps:
1. Select the **C1Chart** control and click on the **Open** button to open the C1Chart floating toolbar if it is not already open.
2. Select the **Data** drop-down arrow from the C1Chart floating toolbar and choose the **Edit data series** item.
3. The **Chart Properties** designer appears for the ChartData series. Select the **Add** button to add a new series to the chart.
A blinking exclamation point appears to warn you that the data needs added to the new series.
## See Also
[Add Data to the Data Series](/componentone/docs/win/online-chart2d/chartforwinformstask/creatingandformattin1/adddatatothedataseri)