data tree

Each instance, however, can only contain a single XML data tree -- in other words, there can only be one root node.

Generally, when we store a value using the Preferences API, we put it in a slot in one of the nodes in the preferences data tree.

The data tree now reflects the user input and you can go ahead and send it back, as shown in Figure 16.

The page will use a Data Tree to display all of the states and cities in a hierarchical view.

As mentioned previously, during the process of designing the JSP page, the Data Tree might lose its configuration.

If you are processing a large XML data tree, keep in mind that SimpleXML loads the full XML document tree into memory before processing.

Instead, set up the two directories in the Data tree.

Navigate through each node of an in-memory data tree.

This line of code returns the user root of the data tree.

Figure 31 shows how the Data Tree should look.

From the Data Tree Properties view (Figure 29), with the odc: tree leaf selected, specify these values