一个在vs2008下用c#语言实现的简单的计算器程序，具有加减乘除功能。-Under a vs2008 using c# language implementation of a simple calculator program, with addition and subtraction multiplication and division functionality.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002200s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.099356s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002176s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002407s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002285s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005161s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002024s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003422s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014815s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002337s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 72364 [ RunTime:0.001146s ]
