题目内容
You have a strongly typed object named myDataSet. This objectcontains two DataTable objects named Categories and Products.Categories has a data column named CategoryID. Products has two datacolumns named CategoryID and ProductID.Categories has a primary key named CategoryKey on CategoryID.Products has a primary key named ProductKey on ProductID.You want to add a foreign key constraint on CategoryID column betweenCategories and Products.Which code segment should you use?