Hi Ankit, Thanks for the advice. I will look into version 5.0. Regards, Hong From: Gupta, Ankit (Ankit) [mailto:gupta11@avaya.com] Sent: Tuesday, February 03, 2009 12:19 AM To: Rules Users List Cc: hgao(a)scenpro.com Subject: RE: [rules-users] upgrade Drools from 2.1 to 4.0.7 Hi Hong, you can jump on Drools 5.0 ,there you can find some good example of org.drools.decisiontable.ExternalSpreadsheetCompiler ...which read the data from XLS file . Regards Ankit _____ From: rules-users-bounces(a)lists.jboss.org [mailto:rules-users-bounces@lists.jboss.org] On Behalf Of Hong-Qiang Gao Sent: Tuesday, February 03, 2009 4:07 AM To: rules-users(a)lists.jboss.org Subject: [rules-users] upgrade Drools from 2.1 to 4.0.7 I am new to Drools. Are there any documents that detail the upgrade from 2.1 to 3.0 or to 4.0.7? In the 4.0.7 documents, there are good descriptions of upgrading from 3.0 to 4.0.7 and also many examples. Is there any examples that use org.drools.decisiontable.parser.xls? Thanks, Hong