SAP ABAP Web Dynpro

 1. Application Creation

Go to SE80, choose Web Dynpro Components/Interfaces and write name of Web Dynpro Components:

Type: Web Dynpro Components

Update Layout, Views > Main

ROOTUIELEMENTCONTAINER > layout choose matrixLayout

ROOTUIELEMENTCONTAINER Right Click Insert Element

Create Text

Input Text Description:

Create Input Field:

Click Label SALES_LBL, fill labelFor to connect lable with input field

Create Button

Choose Layout Data "MatrixHeadData" to put button in a new line & Input Text Submit

Create Createtion Date, Time, Name & Document Category wit the same step:

Clik COMPONENTCONTROLLER

Create Node Base on Structure:

Create Node One by One in component controller:

Input Node Name

Create Attribut

Open tab Contex move SALES form Context COMPONENTCONTROLLER to Context Main

Binding, Back to the views > main, click SALES_IN in tab Layout

Binding value, CONTEXT>SALES>VBELN

Binding text, CONTEXT>SALES>ERDAT

Create Action Method:

Double click Method ONACTIONDISPLAY:

Click Web Dynpro Code Wizard

Read > Context > Sales-VBELN for read value of sales order number

Generated code

Assistance Class

Input assistance class and double click for create class 

Add Method Get Data

Double click for create method:

Query Get data inside assistance class

Set value for ERDAT, ERZET, ERNAM and VBTYP

All Code in Event Handler ONACTIONDISPLAY :

METHOD onactiondisplay .

  DATA lo_nd_sales TYPE REF TO if_wd_context_node.

  DATA lo_el_sales TYPE REF TO if_wd_context_element.

  DATA ls_sales TYPE wd_this->Element_sales.

  DATA ld_vbeln TYPE wd_this->Element_sales-vbeln.

*   navigate from <CONTEXT> to <SALES> via lead selection

  lo_nd_sales = wd_context->get_child_node( name = wd_this->wdctx_sales ).

*   get element via lead selection

  lo_el_sales = lo_nd_sales->get_element( ).

*   get single attribute

  lo_el_sales->get_attribute(

    EXPORTING

      name =  `VBELN`

    IMPORTING

      value = ld_vbeln ).

  CALL METHOD wd_assist->get_data

    EXPORTING

      p_vbeln = ld_vbeln

    IMPORTING

      p_erdat = DATA(ld_erdat)

      p_erzet = DATA(ld_erzet)

      p_ernam = DATA(ld_ernam)

      p_vbtyp = DATA(ld_vbtyp).

*     set single attribute

  lo_el_sales->set_attribute(

    name =  `ERDAT`

    value = ld_erdat ).

* set single attribute

  lo_el_sales->set_attribute(

    name =  `ERZET`

    value = ld_erzet ).

* set single attribute

  lo_el_sales->set_attribute(

    name =  `ERNAM`

    value = ld_ernam ).

* set single attribute

  lo_el_sales->set_attribute(

    name =  `VBTYP`

    value = ld_vbtyp ).

ENDMETHOD.