Removing columns from display and layout

By default, all columns that are defined in the internal table IT_PA0008 are displayed in the ALV output. This recipe will now show how we will remove columns from ALV output.

There are two ways of doing this. We can remove columns from the initial layout. In this case, we can still bring them back to display by choosing the Change Layout option. On the other hand, you may remove columns totally, so that they are not even available in the layout.

In this recipe, we will see how the SUBTYPE (SUBTY) column is made invisible, and the Changed on (AEDTM) column to be removed from initial output but still available in the layout.

How to do it...

For making the SUBTY and AEDTM columns disappear, follow these steps:

1. We will use the same mycolumn variable used earlier referring to the class CL_SALV_COLUMN_TABLE. For each column, we will use the get_column method to get a reference to the respective column.

2. For the SUBTY column, we will use the set_technical method...