 
Comment: Evaluate Query //configuration/appSettings/add[@key="CURRENT_VERSION"] on XML file $TARGETDIR$\web.config, get result into variable InstalledVersion as type Full XML String
Set Variable XML_PATH to 
Evaluate Query //configuration/connectionStrings/add/@connectionString on XML file $SUPPORTDIR$\XMLFile1.xml, get result into variable XML_PATH as type Node Value
MessageBox: , $XML_PATH$
 
