How to create a view of many-to-many?
Say that I a student, course and StudentCourses of entity objects and their objects in view.What other components do I need to create a workflow that allows a student to courses list/add/remove what (s) he takes?
Below I list the objects that I know. Could you please add to it? Thank you very much.
1-entity objects: student, course, StudentCourses.
2 display items:
+ StudentView
+ GolfVoir
+ StudentCoursesView:
SQL: select s.Name, c.Name StudentCourse sc, join student s class c where sc. StudentID = s.StudentId and sc. CourseId = c.CourseID
If I add/change/remove info in this point of view, will be the sight of the persistent changes in all necessary tables?
Module 3-application of the instances of all objects of view 3.
4-task flow:
+ Course LOV
+ Student LOV
+ ...
Published by: cody on February 4, 2011 09:08
Hey Cody,.
I think you are looking for a relationship between students master/detail / StudentCourses.
Display object / see the installation link
- You have your items two view, student and student courses.
- Create a 1 to many association between entities of your student and StudentCourses.
- Create a view based on this association link.
- Put these two display objects in the data model of the Module of your Application.
LOV
- You have your view object, racing View
- Go to your StudentCourses discovered the object, and select the attribute on which you want to place the LOV. It should be an option of LOV below where you can attach the view golfVoir (VO) like a LOV object.
JSP
- Pull the top of your workflow adfc.config file.
- Drag a view of the workflow. Double-click the view to create a JSP page.
- Drag an expandable Panel on page layout for an overview.
- Your data controls, drag the StudentView to the superior facet (you may have to refresh to get your newly created data controls). Be sure to include the navigation controls/buttons.
- Your data controls, drag the StudentCourses to the Central facet.
- Surround with a collection of panels and put a toolbar in its side of the toolbar.
- Your data controls, drag a StudentCourses operation CreateInsert operation in your toolbar
- Your data controls, drag operations StudentCourses delete operation in your toolbar
Who should do about it. If this isn't the case, you're close enough.
Will be
Published by: LovettWB on February 5, 2011 13:49
Tags: Java
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