$.udb(ds).isQueried()

note

This article is about the isQueried() function of the DataSourceContainer object.

$.udb(ds).isQueried()

Detects whether the current Rowset of the first data source in the container has already been queried for records.

Returns a boolean.

note

This function is a shortcut for:

$.udb(*ds*).rowSet('current').isQueried()

Syntax

$.udb( *ds* ).isQueried()

The required ds parameter is a data source selector.

Example

// avoid querying EMP again if it has already been queried
if (!$.udb('EMP').isQueried()) {
    $.udb('EMP').executeQuery();
}