Download Oracle Application Express 4 Recipes by Edmund Zehoo PDF

By Edmund Zehoo

Oracle software show four Recipes offers an example-based method of studying program exhibit - the ground-breaking, quick software improvement platform integrated with each Oracle Database license. The recipes structure is perfect for the quick-study who simply desires an exceptional instance or to kick commence their pondering and get pointed within the correct course. The recipes disguise the gamut of program exhibit improvement. writer and alertness show specialist Edmund Zehoo exhibits how one can create info access monitors, visualize info within the kind of stories and charts, enforce validation and back-end common sense, and lots more and plenty extra. ideas are offered in a simple challenge / resolution layout, that you may replica and adapt to your personal use. unique dialogue for every answer deepens your realizing and aids in customizing the strategies to suit your specific improvement demanding situations.

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Recipe 2-1 describes how to use the Object Browser tool to create tables. 2. Navigate to the application home and click the Form on CUSTOMERS form. This will display the page configuration area. In the Page Rendering section, expand the Regions  Body (3)  Form on Customers  Items node and double-click the Country field. 3. In the ensuing page, change the Display As field type to a Select List. This indicates a drop-down list. When you do this, you will also notice that a new tab named List of Values will appear at the top.

In the next page, select all columns to include in the tabular form. This is shown in Figure 2-27. Figure 2-27. Selecting the list of columns to include in a tabular form 4. Use the default settings on all the subsequent pages. At the end of the wizard, click the Run Page icon to run your tabular form. 5. You should be able to see the tabular form, as shown in Figure 2-28. You will be able to modify your data by changing values directly in the cells of the table. You will also be able to delete and add rows from this table using the buttons provided at the top and bottom of the table.

Steps 7 to 9 in Recipe 2-2 explain how to do this in detail. How It Works Tabular forms help you to quickly set up grids that allow you to do inline editing of tabular data. The objective of the tabular form is to allow the end user to modify multiple records and to submit all the changes at once. This reduces network traffic when many users need to update multiple data records frequently. The tabular forms feature provides rich UI controls for each column during inline editing. For example, a Country column could present a dropdown containing a list of countries to pick from when editing the tabular form.

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