Gets or sets the index of the selected row in a GridView control.
Assembly: System.Web (in System.Web.dll)
Use the property to determine the index of the currently selected row in a GridView control. You can also use this property to programmatically select a row in the control. To clear the selection of a row, set this property to -1. The appearance of the currently selected row can be customized by using the SelectedRowStyle property. To access the currently selected row, use the SelectedRow property.