Stringsql="select column_name,data_type,column_comment from information_schema.columns where table_schema='"+bi.getDatabase()+"' and table_name='"+bi.getTable()+"'";
Stringsql="select column_name,data_type,column_comment from information_schema.columns where table_schema='"+bi.getDatabase()+"' and table_name='"+bi.getTable()+"'";