Action

Description

The action a user can assign to a button control.

Applies to

Button controls

Syntax

PowerBuilder dot notation:

dw_control.Object.buttonname.Action

Describe and Modify argument:

"buttonname.Action { = ' value ' }"

Parameter

Description

buttonname

The name of the button for which you want to assign an action.

value

The action value assigned to the button. Values are listed in the following table.

Value

Action

Description

Value returned to ButtonClicked event

0

UserDefined

(Default) Allows for programming of the ButtonClicked and ButtonClicking events with no intervening action occurring.

Return code from the user’s coded event script.

1

Retrieve (Yield)

Retrieves rows from the database. Before retrieval actually occurs, option to yield is turned on. This allows the Cancel action to take effect during a long retrieve.

Number of rows retrieved.

2

Retrieve

Retrieves rows from the database. The option to yield is not automatically turned on.

Number of rows retrieved.

3

Cancel

Cancels a retrieval that has been started with the option to yield.

0

4

PageNext

Scrolls to the next page.

The row displayed at the top of the DataWindow control when the scrolling is complete or attempts to go past the first row.

-1 if an error occurs.

5

PagePrior

Scrolls to the prior page.

The row displayed at the top of the DataWindow control when the scrolling is complete or attempts to go past the first row.

-1 if an error occurs.

6

PageFirst

Scrolls to the first page.

1 if successful.

-1 if an error occurs.

7

PageLast

Scrolls to the last page.

The row displayed at the top of the DataWindow control when the scrolling is complete or attempts to go past the first row.

-1 if an error occurs.

8

Sort

Displays Sort dialog box and sorts as specified.

1 if successful.

-1 if an error occurs.

9

Filter

Displays Filter dialog box and filters as specified.

Number of rows filtered.

Number < 0 if an error occurs.

10

DeleteRow

If button is in detail band, deletes row associated with button; otherwise, deletes the current row.

1 if successful.

-1 if an error occurs.

11

AppendRow

Inserts row at the end.

Row number of newly inserted row.

12

InsertRow

If button is in detail band, inserts row using row number associated with the button; otherwise, inserts row using the current row.

Row number of newly inserted row.

13

Update

Saves changes to the database. If the update is successful, a COMMIT is issued. If the update fails, a ROLLBACK is issued

1 if successful.

-1 if an error occurs.

14

SaveRowsAs

Displays Save As dialog box and saves rows in the format specified.

Number of rows filtered.

15

Print

Prints one copy of the DataWindow object.

0

16

Preview

Toggles between preview and print preview.

0

17

PreviewWithRulers

Toggles between rulers on and off.

0

18

QueryMode

Toggles between query mode on and off.

0

19

QuerySort

Specifies sorting criteria (forces query mode on).

0

20

QueryClear

Removes the WHERE clause from a query (if one was defined).

0

Usage


In the painter

Select the control and set the value in the Properties view, General tab.

Examples

Example 1

dw1.Object.b_retrieve.Action = "2"

setting = dw1.Describe("b_retrieve.Action")
dw1.Modify("b_retrieve.Action = '2'")