Insert ID?Foreign Key ID problem

I want to insert AccountID a foreign key of HappyLand Table. I want AccountID of Happyland to be the same as the AccountInfoID of AccountInfo. I created a relationship between tables, but I still can't get it to insert the AccountID. I am inserting Data SQLDatasource3.Insert() 
TABLE HapplyLand                                                   TABLE AccountInfo
ID                     INT            primary key               AcountID       INT                   primarykey 
AccountID         INT            foreign key                email           ...