Interview Questions.

Q1. What Is The Use Of Icm Tracing In Dynpro?

To trace the records move in SAP Web Application server.

Q2. Can You Create Multiple Applications Using A Component In Web Dynpro?

Yes for a component, you can create any variety of packages.

Q3. How Do You Create A Tree In Web Dynpro Application?

You can use tree UI element to create a tree in Web Dynpro application.

Q4. What Are The Different Controller Types In Web Dynpro Application?

Component Controller

Custom Controller

Configuration Controller

View Controller

Window Controller

Q5. How Do You Debug A Web Based Web Dynpro Application?

Using External breakpoints

Q6. Why Do We Use Version Management In Web Dynpro Application?

You can use model management to control older model of an item, compare variations or you can also reset them.

Q7. What Are The Advantages Of Using Wen Dynpro?

These are key blessings of the use of Web Dynpro for developers in ABAP surroundings ::   

You can easily keep and reuse components for improvement.

Less implementation time as use of graphical gear.

You can easily change format and navigation the usage of graphical gear.

Easy shape adjustments.

With use of facts binding, you can use automatic facts shipping.

Ease of integration in ABAP surroundings.

Web Dynpro ABAP is equal as Web Dynpro Java as support equal set of features for the application improvement.

Q8. What Is The Use Of Sap List Viewer In Web Dynpro?

SAP List viewer is used to add ALV factor and presents a bendy environment to show lists and tabular structure. A wellknown output encompass header, tool bar and an output table and person could make the settings to add column display, aggregations, sorting options the use of extra conversation boxes.

Q9. What Is A Faceless Component?

Faceless additives in Web Dynpro doesn’t include any graphical components, no perspectives or no windows. It simplest carries a component controller and you can add an extra custom controller.

Q10. What Is The Use Of Exit Plugs In Web Dynpro?

Exit plugs are used to go out from Web Dynpro Window or Web Dynpro web page.

Q11. How Do You Manage Communication Between Different Controllers?

You can create events to allow conversation between controllers. You can permit one controller to trigger activities in one of a kind controller. All occasions which you create in element controller they may be to be had in aspect.

Q12. How Do You Bound Inbound And Outbound Plugs In Window?

Using drag and drop choice

Q13. What Is A View In Web Dynpro Application?

Each Web Dynpro application includes as a minimum one view and it is used to define layout of a person interface. Each view consists of a couple of consumer element and a controller and context.

The controller is used to method user request and processing of statistics and context contains statistics to which factors of view are bound.

Q14. What Is The Meaning Of 0:1 Cardinality Of Context Node In Web Dynpro Application?

It means that at run time, no detail or maximum one element can be instantiated.

Q15. How Do You Call A Web Dynpro Application?

In a Web Dynpro software, factor window has an inbound plug. This inbound plug will have parameters, which need to be unique as URL parameters.

Default values which might be overwritten by the URL parameters may be set inside the software for those parameters. If neither a default price nor a URL parameter is precise, a runtime blunders is caused.

Q16. What Is The Use Of Window Controller In Web Dynpro?

Window controller exists for every window and incorporate method to write down coding common sense.

Q17. What Is Model Class?

A Model elegance is assistance magnificence that includes enterprise good judgment.

Q18. How Do You Manage Portal Integration With Web Dynpro?

You also can combine an ABAP utility into organisation portal. You can also manage portal features from a Web Dynpro application.

You can call Web Dynpro code wizard to get right of entry to portal manager techniques.

This can be used to carry out the following features :

Portal Events

To navigate between Web Dynpro application inside portal or portal content material.

Following navigation sorts are supported :

Object Based navigation

Absolute navigation

Relative navigation

Work defend mode

Q19. Why Do You Use Interface Views In Web Dynpro?

To use in other Web Dynpro additives.

Q20. What Components You Can Monitor Using Web Dynpro Abap Monitor?

Session Count

Application Count

CPU time

Data

Q21. What Different Administration Tasks You Have Performed In Dynpro?

In Web Dynpro ABAP administration, you could carry out numerous management responsibilities using extraordinary equipment −

ICM Tracing

Web Dynpro Trace device

Browser Tracing

Logging

Security

Q22. What Are The Key Features Of Alv In Web Dynpro?

It assist many homes of desk element as it is primarily based on Web Dynpro desk UI element.

ALV output can be filtered, looked after or you may additionally observe calculations.

User can perform application particular features the usage of UI elements in toolbar.

This lets in person to store placing in specific perspectives.

You also can configure unique areas above and below ALV output.

You can outline extent to which ALV output may be edited.

Q23. What Are Init Events And In What Sequence They Are Triggered In Web Dynpro?

WDDOINIT of thing Controller

WDDOINIT of window Controller

WDDOINIT of View Controller

Q24. What Is The Use Of Web Dynpro Window?

In Web Dynpro, window is used to use more than one perspectives or view sets. A view can only be displayed when it's far embed in a view and a window usually contain one or extra perspectives which might be related by navigation links.

Each window carries inbound and outbound plugs and that they may be protected in navigation chain. Inbound plugs within a window lead from the outbound plug of a view to the embedding window. Just like every other inbound plugs, they constitute an occasion and thus name the occasion handler assigned to them.

Q25. Which Method Can Be Used To Access Text Symbols In Assistance Class?

Using approach _WD_COMPONENT_ASSISTANCE~GET_TEXT( ), this allows you to get right of entry to text symbols of the help class in controller of your factor.

Q26. To Embed A View Into Another View, How You Can Do This?

You can embed view in every other view through using view field UI detail. ViewContainerUIElement is an UI element to be used to preserve the perspectives in Web Dynpro software.

Q27. To Create Alv Reports, Which Alv Component Is Required?

SALV_WD_TABLE

Q28. What Is The Use Of Mvc Programming Model?

Web Dynpro applications are based on MVC model, while :

Model: This allows the get right of entry to to returned give up facts in a Web Dynpro utility.

View: This is used to make sure the representation of facts in an internet browser.

Controller: This is used to govern conversation among Model and think about where it takes input from customers and get the procedures data from model and shows the records in browser.

Q29. What Are The Advantages Of Using View Set?

Below are few benefits of view set in designing an application :

You can reuse perspectives in a Web Dynpro window.

You can without difficulty make adjustments to layout at later stage.

More dependent method to apply a couple of view.

Q30. What Is View Set?

A view set is defined as predefined phase where you may embed one-of-a-kind perspectives in a Web Dynpro application. View set permits you to show multiple view in a screen.

Q31. What Are The Different Scenarios That Can Be Used In Interactive Forms?

Interactive Scenario

Print Scenario

Offline Scenario

Using virtual signature

Q32. How Can You Limit The Data In Alv Output In Web Dynpro Application?

Using filters you can limit the facts in ALV output. You can create a couple of variety of filter out conditions for each subject. To create or delete a filter condition, you could use method of interface elegance IF_SALV_WD_FILTER.

Q33. What Is Global And Local Controller In Web Dynpro?

In Global controller, the statistics declared in this may be accessed via all views and window in that component.

View controller is a nearby controller for that view and can’t be accessed by way of other controllers.

Q34. How Can You Manage Errors And Problems In Dynpro Application For Specific Users?

Web Dynpro trace device may be used for checking the mistakes and troubles in Dynpro software. You can prompt Web Dynpro hint device for a selected person.

To spark off hint device in SAP GUI client, use T-code: WD_TRACE_TOOL

Q35. How Do You Navigate Between Views In Web Dynpro?

Using inbound and outbound plugs

Q36. How Do You Monitor A Web Dynpro Application?

You can display Web Dynpro application the usage of ABAP reveal. Information is saved about Web Dynpro utility and is saved. You can view this records using T-code: RZ20

Q37. What Is The Use Of Ovs In Web Dynpro?

It is used to generate F4 help for inputs area in Web Dynpro application.

Q38. How Many Component Controllers Can A Web Dynpro Component Have?

Component Controller is simplest one. You can create a couple of controllers, but those are referred to as Custom Controllers.

Q39. What Is The Use Of Interactive Forms?

You can create forms primarily based on Adobe software program and can use in context for Web Dynpro person interfaces. You can integrate Adobe lifecycle development device with ABAP editor to ease the development of person interface. Interactive paperwork the usage of Adobe software allows you to create efficiently and clean development of UI factors.

Q40. Why Do We Use Faceless Component?

Faceless additives are particularly used for receiving and structuring the data. Faceless components can be embedded to different components the use of factor usage and you could supply the desired information to these additives.

Q41. What Is The Use Of Inbound And Outbound Plug-ins?

You can navigate between different views using inbound and outbound plugs. The inbound and outbound plugs are a part of view controller and inbound plug defines the place to begin of view and outbound plug tells the subsequent view to be referred to as.

Q42. What Is Web Dynpro?

Web Dynpro is wellknown SAP UI era that allows you to increase web programs the use of graphical equipment and improvement surroundings incorporated with ABAP workbench. Using graphical equipment lessen the implementation attempt and you could better reuse and hold additives in ABAP workbench.