lukabrol

you can find a multi threded chat program here plz check it. [url]http://vb.net-informations.com/communications/vb.net_multithreaded_client_socket_programming.htm[/url] also if u dont know the basics plz check the following url [url]http://vb.net-informations.com/communications/vb.net_communications_tutorial.htm[/url] brol

you can create dynamic crystal report using vb.net strongly typed dataset and pass sql quesry string to crystal report. check this link. [url]http://vb.net-informations.com/crystal-report/dynamic_crystal_report_from_sql_query_string.htm[/url] brol

use selection formula field , If u dont know how to use it , check this link [url]http://vb.net-informations.com/crystal-report/vb.net_crystal_report_formula_fields.htm[/url] brol

i think this is the problem with the version compatibility , use proper version and create the designer report in proper way. following link gives a detailed about creating crystal report have a look at it. [url]http://vb.net-informations.com/crystal-report/vb.net_crystal_reports_tutorials.htm[/url] luka brol