Gets or sets the tooltip text for the legend cell column.
Assembly: System.Web.DataVisualization (in System.Web.DataVisualization.dll)
Setting this property will have no effect if the IsMapEnabled property is set to false. The default value is true.
Important To create an image map in this manner, the RenderType property of the Chart object must be set to ImageTag. It is possible to create an image map when using binary streaming, but another technique must be used.
If the ToolTip property is set for both a legend item and a legend cell, the legend cell property has precedence.
This property allows you to set special keywords to display different types of chart-related data.