The object that represents a header cell of a table is rendered with the scope attribute set to "Row".
Syntax
TableHeaderScope Row
Requirements
Namespace: System.Web.UI.WebControls
Assembly: System.Web (in System.Web.dll)
Assembly Versions: 2.0.0.0
Since: .NET 2.0
Assembly: System.Web (in System.Web.dll)
Assembly Versions: 2.0.0.0
Since: .NET 2.0