public virtual int Update(
	DbEntity update,
	DbEntity where
)

Public Overridable Function Update ( 
	update As DbEntity,
	where As DbEntity
) As Integer

public:
virtual int Update(
	DbEntity^ update, 
	DbEntity^ where
)

abstract Update : 
        update : DbEntity * 
        where : DbEntity -> int 
override Update : 
        update : DbEntity * 
        where : DbEntity -> int