# OpenLink Virtuoso Universal Server: Documentation - before-data-bind

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Virtuoso Functions Guide

## before-data-bind

Container for code that should be executed before data bind.
< before-data-bind >(EventHandler)</ before-data-bind >
Description

The code contained in this element is executed before the default data bind processing on the descending edge of recursion. The context has self as the page, control as the control with this handler, event as the vspx_event which caused the page invocation. A return value from the code if equal to 1 (one) will stop further data-bind processing of the containing control and it's children if any.