用dbexpress连接sqlserver数据库

SQLConnection1.Params.clear
SQLConnection1.Params.Values['ServerName'] := '192.168.0.112'; 
SQLConnection1.Params.Values['Database'] := 'trackData'; 
SQLConnection1.Params.Values['User_Name'] := 'sa'; 
SQLConnection1.Params.Values['Password'] := '123456'; 
SQLConnection1.Open;