Building an ABAP Class for Sales Order Details Display: A Step-by-Step Guide

 

Creating Usual ABAP Class to display Sales Order Details :-

  • Step 1 :- Go to transaction code SE24.



  • Step 2 :- Click on create button.



  • Step 3 :- Since, We want to create a class, therefore select the Class radio button and press enter.



  • Step 4 :- Above screen will appear, where we are required to pass the details.

    • Pass the Description.
    • Select Usual ABAP Class as class type.
    • For now select the class type as Final


  • Step 5 :- Press Enter → Provide the Package → Press enter → Provide the transport request → Press enter.



  • Step 6 :- Above screen will appear, where we can see all the features of a class.

let’s take a requirement and we will achieve that requirement with the help of Usual ABAP Class.

Requirement :-

  • Take input as Sales Document number.
  • Display the details of that Sales Document Number as output.

Solution :-

  • Step 1 :- Go to methods tab of the above created class.



    Level :-

    1. Instance :- Can be accessed only by objects
    2. Static :- Can be accessed by Class name as well as its objects.
    • for now select level as instance.

    Visibility :-

    1. Public :- Can be accessed with in the class, within sub class , Outside the class.
    2. Private :- Can only be accessed with in the class.
    3. Protected :- Can be accessed with in the class, with in sub classes, not outside the class
    • Select visibility as Public
    • Provide the description.


  • Step 2 :- Click on Parameters .

    Types of Parameters :-

    a) Importing :- Input

    b) Exporting :- Output

    c) Changing :- Input/Output

    d) Returning :- A method can have any number of exporting and changing parameters, but returning is always one

  • Step 3 :- We are taking Sales Document number as input and few fields as output.



  • Step 4 :- Click on the exceptions tab to provide a exception.



  • Step 5 :- Click on source code to write the necessary logic.



  • Step 6 :- Activate the class.

Executing the Class :-

  • Step 1 :- Press F8 to execute the class.



  • Step 2 :- Give a suitable Sales Document number and press F8.



    • We can see the details in the above diagram.

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