The GrantPublicationAccess method the specified login to the publication access list.
object.GrantPublicationAccess( szLoginName )
object
Expression that evaluates to an object in the Applies To list
szLoginName
String that identifies an existing Microsoft® SQL Server™ 2000 login by name
HRESULT GrantPublicationAccess(SQLDMO_LPCSTR szLoginName);
Granting privilege to a login using the GrantPublicationAccess method of the MergePublication or TransPublication object requires appropriate privilege. The SQL Server login used for SQLServer object connection must be a member of the system-defined role db_owner in the published database, or a role with greater privilege.