Show_Lov Function is used to display list of values (LOV) in Oracle Forms. It returns TRUE if the user selects a value from the list, and FALSE if user not selects the value.
Syntax
You can pass the LOV ID to Show_Lov function to display the LOV.
SHOW_LOV(lov_id LOV);
You can pass the x and y coordinates with LOV ID to display lov at specific location.
SHOW_LOV (lov_id LOV, x NUMBER, y NUMBER);
Display LOV by passing the LOV Name.
SHOW_LOV (lov_name VARCHAR2);
By passing LOV Name with X and Y coordinates.
SHOW_LOV (lov_name VARCHAR2, x NUMBER, y NUMBER);
Example
When-Button-Pressed trigger to display LOV (list of values):
Begin
If Show_Lov('My_Lov') Then
Message('Value Choosen.');
Else
Message('Value Not Choosen');
End If;
End;
OR
Declare
v_choosen boolean;
Begin
v_choosen := Show_Lov('My_Lov');
If v_choosen Then
Message('Value Choosen.');
Else
Message('Value Not Choosen');
End If;
End;
Below is the example given to call Show_Lov function by passing LOV ID as parameter, by using Find_Lov and ID_Null functions.
Declare
lv_id LOV;
v_choosen Boolean;
Begin
lv_id := Find_LOV('My_LOV');
If Not Id_Null(lv_id) THEN
v_choosen := Show_LOV(lv_id,10,20);
End If;
If v_choosen Then
Message('Value Choosen.');
Else
Message('Value Not Choosen');
End If;
End;
