How to create a chart with multiple series in VB with ADO.NET, with one column determining the series, one the X, and one the Y?
I am using System.Web.UI.DataVisualization.Charting to create a chart that displays sensor data from different sensors. Data is pulled from SQL Server using a stored procedure and a SqlDataReader and then stored in a DataTable with 3 relevant columns: the Name of the sensor, the Date the measurement was taken, and the Value measured. I currently make the chart with this code:
Issues getting a chart to display with multiple series (giving me a blank chart, with only a legend)
I am an author, and working to make a system to track my details. This item is a chart where it has the 3 types of books, grouped by the edition type (ebook, hard cover, and paperback), and a sum of the sales for the month.