Contributing

How do you make a field catalog in ALV?

Standard

How do you make a field catalog in ALV?

To generate a field catalog semi-automatically:

  1. Declare an internal table of type SLIS_T_FIELDCAT_ALV.
  2. Call function module REUSE_ALV_FIELDCATALOG_MERGE and pass the DDIC structure of the output table and the internal table for the field catalog.
  3. Read the rows you want to change, and adapt the fields accordingly.

What is field catalog in SAP ALV?

Field catalog is an internal table which is used to pass a list of fields to display in ALV report, we can set different properties to fields that will be display in ALV output. Type Group. It is a data dictionary object which contains all the reusable user-defined types.

How do you create ALV list in SAP?

ABAP Program to generate a simple ALV List and Grid Report

  1. Selection Screen to get user input.
  2. Editable Cells.
  3. Cell Coloring.
  4. Report Header.
  5. Sorting.
  6. Input data validation at selection screen.
  7. On double click of sales order number, its details (transaction VA03) will be displayed.

What is an ALV in SAP?

The SAP List Viewer (ALV) is an integrated element of the ABAP Objects programming environment . It allows application developers to quickly implement the display of structured datasets by providing three different ALV tools, one each for the display of: Simple and two-dimensional tables.

What are the ways to populate field catalog?

to populate it we can use Fm REUSE_ALV_FIELDCATALOG_MERGE or we can directly populate it.

What is Lvc_s_fcat in SAP ABAP?

LVC_S_FCAT is an SAP Structure so does not store data like a database table does but can be used to process “ALV control: Field catalog” Information within sap ABAP programs. This is done by declaring abap internal tables, work areas or database tables based on this Structure.

Why do we use field catalog?

Field Catalog: We use another internal table to define specifications on how the fields of our list will be displayed. This internal table is called the field catalog. The field catalog must comprise some technical and additional information about display options for each column to be displayed.

How many types of ALV are there?

three types of
Using ALV, we can have three types of reports: All the definitions of internal tables, structures and constants are declared in a type-poolcalled SLIS.

How do I run ALV report in SAP?

* START-OF-SELECTION. start-of-selection….User Execution Steps

  1. Run the original transaction and execute the report in background after entering the parameters.
  2. One the report selection screen, click on the ‘Disp.
  3. If the status is green, then click on the execute button.
  4. This will display the original ALV.

What is the advantage of ALV?

With ALV you can give them an ABAP report that automatic popup with their own favorite excel book – without having to do a lot of troublesome and time consuming work to download the data and fit it into the excel sheet. If you are new to ALV you can very quick make a simple ALV report.

What is true about field Catalogue in ALV report?

Field catalog is an internal table which is used to pass a list of fields to display in ALV report, we can set different properties to fields which are going to display in ALV.

What is Lvc_t_fcat?

SLIS_T_FIELDCAT_ALV is used with alv function module. LVC_T_FCAT is used with OO ALV . They are Different in structures, but they both have same Functionalities in most of the cases. regards, preet.