Hi Hemant,
As you have all ready created a View Link using the Customer ID ; expose the Orders VO under the Customer VO into the Data Model under Customers VO.
Then create a Page in the View Project. And follow the steps and respective pic attachments as below .
1.Drag n drop CustomerVO as Single Selection – ADF Select One Choice, just like this.
2.Then select Customer Id as the Display Attribute,
3.Then select the OrdersVO under the CustomersVO from the DataControl and drag n drop as a table like this :
4.Then put AutoSubmit Proporty as true for LOV component.
5.Also put the Partial Triggers property for the table to point to the Id of the LOV component as like this :
Your done , run your page and u will see that upon changing the Customer Id you will see the related Orders in the table.