You are building a master-detail form. You have already added the master WebDataWindowControl. Now repeat the same steps to add a second control to the form and associate it with a DataWindow object. This time rename the control dwCustomer and associate it with the d_customer DataWindow object. Set the AutoRestoreDataCache and AutoRestoreDataCacheAfterRetrieve properties to true..
Instead of setting the Height property, drag the handles of the control to display all the fields. After you resize the controls and the form to display all the fields in the DataWindow objects, the form should look something like this:
