Q7) Would you prefer creating multiple Custom Controllers OR would you go for separate Web Dynpro components and then do Component usage?Īns:This would actually depend on the requirement, but ideally, separate Web Dynpro components should be created and reused. Q6) What is selection cardinality in WebDynpro ABAP?Īns:WebDynpro ABAP training Bangalore specifies how many records that can be selected from a node. In such a scenario, you can create one or more custom controllers and modularize or segregate the logic into separate parts using Custom Controller. Q5) What is a Custom Controller?Īns:When your Component Controller grows big in size (say more than 10-15 views and corresponding context nodes, methods, events, event handlers etc), it might become tough to handle everything in the Component Controller.

You can create multiple controllers, but those are called Custom Controllers.

Q4) How many component controllers can a Web Dynpro Component have?Īns:Component Controller is only one. re-using views/methods/nodes of one WD component in another. Interface Controller would generally come into picture when you are doing component usage of some sort in web Dynpro i.e. Interface Controller is created by default when a Webdynpro component is created. other Webdynpro components), we make use of the Interface controller. It controls the entire activity of your Web Dynpro Component Q3) What is an Interface Controller?Īns:Whenever we want views, nodes, or methods of a particular web Dynpro component to be available to other the outside world (i.e. It is like a Global or Top Include for your program. It is the backbone of your Web Dynpro Component. Q1) What is MVC in WebDynpro ABAP?Īns:Basically, WebDynpro follows MVC M-Model (Business logic) V-View(Screen) C-Controller (Controls screen and Model) Q2) What is Component Controller?Īns:Component Controller is the King of all Controllers. Tekslate has collected the most frequently asked SAP Web Dynpro interview questions which are often asked in multiple interviews. Are you planning to attend an interview for SAP Web Dynpro Developer role but confused on how to crack that interview and also what would be the most probable SAP Web Dynpro interview questions that the interviewer may ask? Well, you have reached the right place.

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