常用c#知识库，包括如何连接数据库，api，绘图，网络等方面的基础知识，是作者学习时的心得，用处广泛。-common knowledge base, including how to connect to the database, api, graphics, networking and so on the basis of knowledge is the author of the study and experience, extensive use.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001290s ]
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:0.090755s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001162s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001924s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001194s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003805s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000999s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003391s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014790s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001209s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 92959 [ RunTime:0.001305s ]
