A network appliance, and a system and user interface therefor, are described. The network appliance includes a file capture module is to obtain files transmitted via a network and to load data from the files into a database. A user interface for communicating with the server includes a first set of fields and a second set of fields. The first set of fields are for selecting data from the database and the second set of fields are for selecting indices for charting the data selected with the first set of fields. A data processing module is configured to retrieve data from the database responsive to the data selected with the first set of fields, to chart the data retrieved responsive to the indices selected with the second set of fields, and to output a graph of the data charted to a server having access to the database.