利用gridview控件，怎么做复合表头，还有提供，Gridview 控件，怎么隐藏不同角色能够看到不同的列！-Use GridView control, how can make complex header, there is provided, Gridview control, how to hide different roles to see different out!
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001408s ]
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:0.075560s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000930s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001248s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000981s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003380s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000840s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003640s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015981s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001182s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 67700 [ RunTime:0.022168s ]
