Attached is a simple macro that will update all the designtableson a complete assembly.

This is functionality that solidWorks should have... but atthistime if you have multiple design tables driving aparametricassembly which have values linked to an external datasource(external data links at the cell level)SW requires to openeach onemanually in order to update any information linked to anexternaldata source.

Hope it will be of help to someone...

SolidworksConfigurations design Tables