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Instantiating the Used Component.in ABAP Web Dynpro
This tutorial explains about the
purpose of Instantiate used component,
External context mapping Faceless
component and Cross component
programming in ABAP Web dynpro.
Steps for implementing the scenario:
In this we need to create two different components, 1-window and 1-view.
Components are of two types.
Component(Component without screen only logic is implemented). In this scenario Zdemo_comp1
is Faceless Component.
Component(Component Contains both screens & logic). Zdemo_comp2
to transfer data from one component to another component following options are
Interface Controller 2) Interface node (Input element property) 3) External
Whenever there is External Context Mapping than the Instantiate used component
method is used.
Go to SE80.
First create the component1 à
Go to component controllerà Context àRight
To make node as interface node change
the properties as shown below.
0 to n.
Click on Add attribute from structure à select
the required fields.
The node is interface node is now
available in the interface controller.
In the component controller à Methods à Create
Execute method and make it as interface node.
Now go to interface
controller à Context
tab à tab node is visible.
The method and node
which as been changed as interface will be seen in the interface controller.
Methods and nodes for interface controller cannot be created with in the
interface controller. Must be created in component controller and
the method type as interface and for the node àIn the properties change it as Interface node as YES and input
element as YES.
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