Map BLDRCU Screen Fields to BLDRUPD

Start Online Express

1. In the Project Explorer view, expand BLDRAPPL.
2. Double-click the BLDRUPD program entry. This starts Online Express. Online Express and its Action/Event Browser appear. The Action/Event Browser shows the names of all fields you defined when you painted the BLDRCU screen.
   Note: If a validation message appears, click OK to clear the message.

Access the Field Mapping dialog box

• From Online Express, click File > Field Mapping. The Field Mapping dialog box appears, listing the screen fields you defined in the Screen Painter.

Create working-storage fields

Because the BLDRAPPL application uses a VSAM database, Online Express provides only the key field in the Field list box of the Field Mapping dialog box. Therefore, you must add working-storage items for the remaining fields on the PART-MASTER-REC record.

1. Click PART-MASTER-REC in the Field Mapping dialog box.
2. Click Field Mapping > Add User Variable. The Create Working Storage Field dialog box appears.
3. In the Name field, type ws-base-price.
4. Click OK.
5. Repeat steps 2 and 3 one time for each of the following fields:
   • ws-dimensions
   • ws-short-desc
   • ws-units-instock
   • ws-inventory-value
6. Click Cancel. This returns you to the Field Mapping window.

Map screen fields to working-storage fields

Here you map the fields and controls on the BDLRCU screen to the working-storage fields in the BLDRUPD program.

Map the BASE-PRICE field

1. On the Control list, place the mouse over the BASE-PRICE control.
2. Click and hold the mouse button. The pointer changes to a plug.
3. Drag the plug to the WS-BASE-PRICE field, and release the mouse. AMB creates a two-way map between the BASE-PRICE control and the WS-BASE-PRICE field.

Map remaining controls

• Repeat the steps presented in Map the BASE-PRICE field one time for each of the controls listed in the following table.

  Control Name	Field Name
  DIMENSIONS	WS-DIMENSIONS
  PRT-NBR	PM-PRT-NBR
  SHORT-DESC	WS-SHORT-DESC
  UNITS-INSTOCK	WS-UNITS-INSTOCK

Change mapping direction

By default, Online Express draws a connecting line with an arrow at each end, indicating that the mapping is two-way. That is, the program moves data from the working-storage field or database record to the screen field, and vice versa. We want our mappings to be one-way instead of two-way.

1. To create a one-way mapping from the WS-INVENTORY-VALUE working-storage field and the INV-VALUE screen field, click WS-INVENTORY-VALUE, drag the mouse plug to the INV-VALUE field, and drop.
2. For all other controls, click the control; then click Field Mapping > Mapping Direction > One-way.
3. Click Apply.

Save your work

1. Close the Field Mapping dialog box. This returns you to the Action/Event Browser.
2. Click File > Save.
3. Click OK to clear any validation messages.
4. Do not close Online Express.