ÓÃ.netÁ´½Ómysqlʱ±¨´í?????? - .NET¼¼Êõ / C#
ÓÃ.net,ÔÚÁ¬½ÓmysqlÊDZ¨´í£º unable to connect to any of the specified mysql hosts. connectionString="server=ip;userid=*;password=*;database=*"
¶¥¡£¡£¡£ MYSQL ¹Ù·½ ÏÂÔØÒ»¸öÖмä¼þ. <add name="ConStr" connectionString="server=192.169.1.115;database=miapsoft;uid=root;pwd=123456;charset=utf8" providerName="MySql.Data.MySqlClient"/> ÕâÊÇÎÒÒÔÇ°ÓùýµÄ. charset=utf8 ÓÃÀ´ÅªÖÐÎÄÂÒÂëÎÊÌâ. dingÒýÓà MYSQL ¹Ù·½ ÏÂÔØÒ»¸öÖмä¼þ. ÕÒµ½¡°Select a Mirror to Start Downloading - mysql-connector-net-6.2.3-src.zip¡±Õâ¸öûÓÐÏֳɵÄdllÎļþ£¬ÎÒ±àÒëʱ³ö´í£¬ÄãÓÐÏֳɵÄ6.2.3°æµÄMysql.Data.dllÂ𣿣¿ ûÓÐ °²×°ºÃÄǸö¾Í¿ÉÒÔÁË. c# Á¬MysqlÐèÒª×Ô¼ºÐ´»òÊÇϸöÖмä¼þ ÓкÎÄÑ,ÏÈÏÂÔØÒ»¸öMySQLDriverCS.dll app.config: <add name="mysql" connectionString="Data Source=mydb;Password=111111;User ID=root;Location=192.168.1.1" /> C# code: using MySQLDriverCS; string MySQLStr = ConfigurationManager.ConnectionStrings["mysql"].ConnectionString; MySQLConnection MySQLConn = new MySQLConnection(xxxxxxxxxxxxxxxxxxx); MySQLConn.Open(); MySQLCommand MyCmd = new MySQLCommand(@"select * from table",MySQLConn); MyCmd.ExecuteNonQuery();
Ïà¹ØÎÊ´ð£º
DataSetµ¼³öxml Åú´¦Àí(Ñ»·)µÃÔõô´¦Àí XMLÎļþ <A> <B> <C> </C> &nb ......
¿ÉÄÜÒòΪ¹¤×÷µÄÔÒò ½Ó´¥Êý¾Ý¿âÕâ¿é±È½ÏÉÙ£¬Ö®Ç°¶¼ÊÇ×ö³ÌÐòÕâ¿é£¬Êý¾Ý¿âÕâ¿é¶¼ÓÐרÃŵÄÈËÀ´×ö ·Ö¹¤¶¼ºÜÃ÷ϸ ËùÒÔ¶ÔÊý¾Ý¿âÕâÒ»¿éÍêÈ«²»Á˽⡣ǰ¶Îʱ¼ä È¥ÃæÊÔÁ˼¸¼Ò¹«Ë¾ ¼¸ºõ¶¼ÊÇÔÚÊý¾Ý¿âÕâ¿é¹ÒµôµÄ Á¬¸ö¼òµ¥µÄSQ ......
ÎÒÒѾ°´Õս̳ÌÉÏÅäÖÃtomcatµÄserver.xml <Context path = "/POS" docBase = "POS" debug = "5" reloadable = "true" crossContext = "true" workDir = &quo ......
ÎÒÓõÄÊÇÁ¬½Ó³Ø×öµÄ£¬ÅäÁ¬½Ó³ØµÄ·½·¨Ó¦¸ÃûÓÐ´í£¬ÎªÊ²¾ÍÊdzöÏÖÕâÖÖÎÊÌâ javax.servlet.ServletException: javax.naming.NameNotFoundException: No object bound to name java:comp/env/test ÇëÎÊ´óÏÀÃÇÕâÊÇÔ ......