TOOLTIP, as in any other places in on your PC, is responsible to show short info about the column when you hover your mouse over the column header. It’s very useful when you have a lots of fields in you ...
... then if you explicitly don’t set the SELTEXT and TOOLTIP fields, ALV will automatically copy the content of REPTEXT into those fields.
Figure 98 Field catalog with automatic and manual REPTEXT ...
... then the column description, tooltip and column short and long texts are taken from the data element.
Figure 86 ZDEMO_AIN_CL35 Results with ROLLNAME
Figure 87 ZDEMO_AIN_CL35 ...
...
Figure 79 ZDEMO_AIN_CL33 Column description in the layout popup
In case the TOOLTIP field is empty, the value from SELTEXT will be also used as tooltip and will appear when you ...