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About Data and Control Items

Data items correspond to table columns within the database. By manipulating a data item (a text item, for example), the operator can automatically affect data that is in the database.

Control items do not have any association with the database. When the operator manipulates a control item, data within the database is not affected unless the appropriate SQL statements are provided. In general, control items allow the operator to perform common application functions, such as navigating from one screen to another, and do not allow operators to modify database data.

Control items can also be used to do the following:

When building a block, consider this:


About Items

About creating items

About blocks on forms

Creating a Data Item