how to delete appointment in outlook C#

You have missed namespace it seems. I think you need MAPI session to interact with Outlook. The following URLwill help you.

http://stackoverflow.com/questions/11956345/how-to-understand-namespace-of-outlook-2007-data-store

kakak asdas12y ago

thanks for the reply but
Outlook.MAPIFolder calendar =Application.Session.GetDefaultFolder(Outlook.OlDefaultFolders.olFolderCalendar);

it have error
Error1'System.Web.HttpApplicationState' does not contain a definition for 'Session' and no extension method 'Session' accepting a first argument of type 'System.Web.HttpApplicationState'
could be found (are you missing a using directive or an assembly reference?)

sorry ask the stupid question im newbie

Lakshmanan Sethu Sankaranarayan12y ago

Hi, Pls check this link http://msdn.microsoft.com/en-us/library/ms268757.aspx