Node : Node is nothing but a collection of attributes, node can be used as internal table or work area based on the selected cardinality .Nodes can be created in view controller, component controller and window controller .
Follow the below steps to create a node in web dynpro ABAP.Go to SE80, select Web Dynpro Comp./Intf. from drop down, provide a web dynpro component name and press enter.
A pop up will open, click on create
Provide description, enter.
Save it in a local object, expand views and double click on main view.
Click on change icon to go to change mode.
Select Context tab, right click on context, create, node.
A pop up will open provide node name, select cardinality, enter.
Now node is created with mara structure( work area for MARA table because cardinality is 1-1, it can store only one record).We will discuss more details in future lessons.