Header of ALV Display 
By default, the ALV display has no header. You can generate a header and display it above the ALV display. The header can have the following parts:
Text
Graphic
Tooltip
You can make the following settings for the header of the ALV display:
Generating, Getting, and Deleting a Header Object
Specify wording for header
Specifying the Path of the Graphic in the Header
Specify the position of the graphic in the header
Specify the wording for the tooltip
The header of the ALV display is an instance of the class CL_SALV_WD_HEADER. To generate or delete the object, use the methods of the interface class IF_SALV_WD_TABLE_SETTINGS (implementing class CL_SALV_WD_CONFIG_TABLE).
Methods for creating, getting, and deleting header objects
Function |
Method |
Generate header object |
CREATE_HEADER |
Get header object |
GET_HEADER |
Delete header object |
DELETE_HEADER |
The header of the ALV display has the type STRING. To define the header, use methods of the class CL_SALV_WD_HEADER.
Methods for wording of headers
Function |
Method |
Specify wording for header |
SET_TEXT |
Get wording for header |
GET_TEXT |
You can display any graphic in the header of your ALV display as long as it is suitable for the Web Dynpro environment (see Handling Web Icons). To define the path or ID of the graphic file, use the methods of the class CL_SALV_WD_HEADER.
Methods for graphic file path
Function |
Method |
Set path or ID for graphic |
SET_IMAGE_SOURCE |
Get path or ID for graphic |
GET_IMAGE_SOURCE |
You can choose whether the graphic displayed in the header is placed before or after the header text. To do this, use the methods of the class CL_SALV_WD_HEADER.
Methods for placing graphics in headers
Function |
Method |
Set position within header |
SET_IMAGE_FIRST |
Get position within header |
GET_IMAGE_FIRST |
The tooltip of the header becomes visible when the user places the cursor over the header of a ALV display. To specify the wording of the tooltip, use the methods of the class CL_SALV_WD_HEADER.
Methods for header tooltip
Function |
Method |
Specify the wording for the tooltip |
SET_TOOLTIP |
Get wording for tooltip |
GET_TOOLTIP |