#include <DbXml.hpp> bool XmlQueryContext::getVariableValue( const std::string &name, XmlValue &value); bool XmlQueryContext::getVariableValue( const std::string &name, XmlResults &value);
Returns the value that is bound to a specified variable. If there
is no value binding, then this method returns
false
and value
is set to a
null value (XmlValue::isNull()
or
XmlResults::isNull()
returns
true
).
The value bound to the named variable. If
value
is an
XmlResults
object, a
sequence of values is bound to the variable.
The XmlQueryContext::getVariableValue
method
may fail and throw
XmlException
, encapsulating one of the
following non-zero errors: