Hi Shweta,
11 types of directives are there .
But most common directive is @page directive
1)@Page:Defines page-specific attributes used by the ASP.NET page parser and compiler and can be included only in .aspx files.
2)@Assembly:Links an assembly to the current page or user control declaratively
3)@Control: Defines control-specific attributes used by the ASP.NET page parser and compiler and can be included only in .ascx files (user controls).
4)@Outputcache:Controls the output caching policies of a page or user control declaratively.
5)@Reference: Links a page, user control, or COM control to the current page or user control declaratively.
6)@Implements: Indicates that a page or user control implements a specified .NET Framework interface declaratively.
7)@Import: Imports a namespace into a page or user control explicitly.
8)@Master: Identifies a page as a master page and defines attributes used by the ASP.NET page parser and compiler and can be included only in .master files.
9)@MasterType: Defines the class or virtual path used to type the Master property of a page.
10)@Previouspagetype: Creates a strongly typed reference to the source page from the target of a cross-page posting.
11)@Register: Associates aliases with namespaces and classes, which allow user controls and custom server controls to be rendered when included in a requested page or user control.
Mark as Answer if it helps you
Thanks&Regards
Aswini Aluri
Shweta_Pinky, if this helps please login to Mark As Answer. | Alert Moderator