Datasets

Introduction

[SINCE Orbeon Forms 2017.1]

A dataset is a mutable set of data, usually returned by a service and stored in the form in XML format.

A dataset is transient at this point:

  • It is not saved alongside the data in the database.
  • It is not passed when navigating between the "edit" and "view" modes.

Instead, a dataset lives as long as the user stays on the given form page.

Creating a dataset

You create a dataset using the Actions Editor. The data returned by the service is stored into the dataset in XML format.

A dataset is identified by a name. Multiple actions calling services can store data into the same dataset. The action which last updates the dataset overwrites the entire content of the dataset.

Using data from the dataset

Storing data into the dataset only makes sense if you make use of that data at a later point.

You do so using the fr:dataset() function. You can use this function from formulas, including validations, visibility, etc. For example:

fr:dataset('activity-dataset')/foo/bar

See also

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