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Topics:  Hands-On 01: Tab canvas, Master-detail relationship

Create an easy to use data entry Form for your client, for an order entry system they wish to have developed.

Working with you, the User has requested a more robust application. Create a Form that contains three tabs for each Entity. The tabs should be labeled as "Customers", "Orders", and "Items."

In this Hands-On, you will learn how to: Use tab canvas, Master-Detail relationship.

 

More Resources by Google:

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Collapse the customer data entry Form.

Select  “FORMS” and click on the "create" icon.

 

Choose the “File” option, then select “save as” to store the form in the "iself" folder.

Name it, "customer_orders."

Select "data blocks" and click on the "create" icon.

 

Use the “Data Block Wizard” option.

Click “OK”

Click "Next."

Click on "Browse"; and select the "customer" table and then “OK.”

Select all columns.

Click on “NEXT” and then "Finish."

 

Use the "Tab Canvas" type with a “new tab page”, then click “NEXT.”

Select all the columns.

Click “Next.”

Click “Next” again. Next.

Type the "Frame title" and then click “next” and “finish.”

This is the form layout.

 

Collapse the customer “data blocks.”

Create a new tab page for the customer's order. 

 

Select “Data Blocks” and click on the "create" icon.

Click “OK.”

Then "Next."

Type the table name "ord."—for the order table.

Then "refresh."

Select all columns; then click "next."

 

Click "create relationship" to establish master-detail relationship.

Click “OK;” and unmark "Auto-join data blocks."

Then click "Create relationship" and “OK.”

Use “Customer” as the Master table and click “OK.”

Change "detail item" and "master item."

This is the relationship.

 

Change "tab page" to "new tab page” and click "next."

 

Select all columns and then deselect “custid.” Since the customer is known.

 

Use "tabular" since there are more than one order for each customer.

 

Type "Title"; “Records Displayed”; and checkmark “Display Scrollbar.”

 

Now, there are two canvases: One for customer information and the other for their orders.

 

Collapse these two "data blocks."

Select "Data Blocks" and create a new “data block.”

Choose the same options.

Click on “Browse.” And select the “item” table.

 

Select all columns.

 

Un-checkmark "Auto-join data blocks;" and click on "create relationship" and then “OK.”

Use the order (“ORD”) table as the Master table.

 

Establish master and detail relationship. 

Remember always you can delete the relationship and create it again.

 

Select "new tab page," then click "next."

 

Select all columns except the order ID column (“ordid”), since the order is known.

 

Select "tabular," since there are more than one item in an order.

Type “Frame Title,” “Records displayed” and checkmark “Display Scrollbar.”

 

Navigate through the tab pages.  Notice that page3, 5, and 7 don't mean anything. 

 

Select page3, right click and open its "property palette."

Change the “name” and “label” to customer.

Press the enter key.

Notice! The name always changes to upper case.

 

Click on page5 to replace its properties and do the same for “Orders.” 

Be sure to press the enter key to confirm the changes.

Click on page7 to replace its properties and do the same for “Items.”

Then close the window.

 

Now, the tabs are more meaningful.

Navigate through the tab pages.

 

Collapse the objects to view items easier in the ”object navigator” window.

Select “customer_orders,” and right click to open its "property palette."

 

Change "First Navigation Data Block" to “Customer.”

Close the window.

 

Click on the "Run" icon to compile and execute the module.

 

Click "execute query" to query the customer information.

Navigate through the “tab” options.

 

On the "orders" tab, select an item.

Notice on the “items” tab, all its items correspond to the selected order.

 

Repeat this.

 

On the customer tab, position the cursor on “Customer ID” and navigate through the table by clicking on “NEXT Record.”

Do the same for the previous record.

 

Click on "Enter Query.”

Type 106, and click "Execute Query."

Navigate through the customer’s orders and its items.

 

Close the window.

Save the changes.

Remove the layout screen.

 

Remove the “customer_de” program.

Practice to collapse and expand an object in the “object navigator” window.

 

Then remove the customer_orders Form.

Click yes, to apply the changes.

 

Practice to open the Form from the “iself” folder.

 

Now, you should practice this over and over, until you become a master at it.

Good Luck!

 

 
 
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