Display LOV (List Of Values) Using Show_Lov In Oracle Forms

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;