Understanding Oracle APEX 5 Application Development by Edward Sciore

By Edward Sciore

This new version of realizing Oracle APEX five program Development indicates APEX builders how one can construct functional, non-trivial net purposes. The e-book introduces the realm of APEX homes, explaining the performance supported by means of every one web page part in addition to the recommendations builders use to accomplish that performance. The publication is concentrated at people who are new to APEX and simply commencing to strengthen actual tasks for creation deployment.

Reading the e-book and dealing the examples will go away you in an outstanding place to construct handsome, highly-functional, internet purposes. issues comprise: conditional formatting, user-customized studies, facts access types, concurrency and misplaced updates, and updatable reviews. Accompanying the booklet is a demo net software that illustrates each one thought pointed out within the ebook. particular recognition is given within the ebook to the concept procedure eager about identifying and assembling APEX parts and contours to convey a particular consequence. Understanding Oracle APEX five software Development is the appropriate booklet to take you from an realizing of the person items of APEX to an figuring out of ways these items are assembled into polished applications.

  • Teaches the right way to improve non-trivial APEX applications.
  • Provides deep realizing of APEX functionality.
  • Shows the options wanted for customization.

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Example text

Second, it can be displayed in the region when the page is rendered. Recall from Figure 1-3 that all but one of the regions on that page displayed their titles. A new region is assigned the title New by default. The first thing you should do after creating a region is to assign it a more meaningful title. APEX accepts HTML formatting tags here. For example, go to the page designer for the Region Practice page, select the New region in the rendering tree, and change its Title property to this: My First Region Then create two more regions on the page with this title: My Second Region and this title: My Third Region Save and run the page, which should look like Figure 3-3.

In particular, clicking the gallery’s Regions button will cause it to display an icon for each possible region type, as shown in Figure 3-13. To create a region of a specific type, click its icon and drag it to the desired position on the grid layout. Figure 3-13. Region gallery This use of the gallery is a convenient way to create a region, with the added benefit that APEX assigns appropriate values to its type and location properties for you. But once it has been created, such a region becomes the same as any other region.

For example, Figure 3-22 tells you the following things about the EMPNO column: its heading is labeled Empno and is aligned center, it appears first in the report, and its values are aligned left and are displayed normally (that is, in “plain text”). The following sub-sections show how to use the properties of Figure 3-22 to construct the Formatted Report region of Figure 3-20. Column Visibility Recall that the EMPNO, MGR, and COMM columns are not part of the Formatted Report region. You can achieve this in APEX by setting their Type property (in the Identification section) to the value Hidden Column.

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