# Connecting to Data

Spread for ASP.NET allows you to use both bound data and unbound data source. Learn the differences between raw data and represented data in documentation.

## Content



The Chart control can be bound or unbound. If the control is unbound, provide the values as double values.

When the chart is bound, the values can any data type that can be converted to a double value (including int, double, decimal, string, and so on).

For more information on adding data to a Chart control, see the following topics:

*   [Using a Bound Data Source](/spreadnet/docs/latest/online-asp/overview/spweb-devguide/spweb-chart/spweb-chartcreate/spweb-chartdataconnect/spweb-chartdatabound)
*   [Using an Unbound Data Source](/spreadnet/docs/latest/online-asp/overview/spweb-devguide/spweb-chart/spweb-chartcreate/spweb-chartdataconnect/spweb-chartunbound)
*   [Using Raw Data Versus Represented Data](/spreadnet/docs/latest/online-asp/overview/spweb-devguide/spweb-chart/spweb-chartcreate/spweb-chartdataconnect/spweb-chartrawdata)