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"/> ÕâÊÇÎÒÒÔǰÓùýµÄ. 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 ......
ÄÚÈÝÈçÌâ¡£¡£ÔÚC#Àï¸ÄÈçºÎÐ´ÄØ£¿ ±¾À´Ë¼Â·ÊÇÏȱȶԽڵãÃû³Æ£¬ÈçÊǵϰ¾Í±£´æÒªÉ¾³ý½ÚµãµÄϱê·ÅÔÚÊý×éÀȻºóÑ»·É¾³ý£¬µ«·¢ÏÖ¡£¡£µ±ÎÒɾ³ýµÚÒ»¸öºó£¬ËùÓнڵãϱêÊýÁ¿¶¼·¢Éú¸Ä±ä¡£¡£ ¾Í²»ÄÜÔÙ°´ÕÕ֮ǰ¼Í¼µÄ½Úµã ......
˼·£ºÒªÓÃc#Éú³ÉÒ»¸ö²¥·Å»úµÄ²¥·ÅÁбíµÄxml£¬ÀýÈ磺 <daty datys='2010-04-05' datye='2010-05-01' > //ÕâÊDz¥·ÅµÄÈÕÆÚ¶Î <time times='01:12:00' timee='02:30:00'> ......
ÎÒÓÃXmlDocumentÉú³ÉXML XmlElement remarkNode = node.OwnerDocument.CreateElement("remark"); remark1Node.InnerXml = ""; Èç¹ûInnerXml¸³Öµ²»Îª¿Õ£¬ÔòÉú³ÉµÄ±ê¼ÇÊÇûÎÊÌâµÄ£¬±ÈÈ磺<r ......
1¡¢ÊDz»ÊÇPHPÖÐÖ»ÄÜʹÓÃmysql_query("update user_aa set money=money2-".$bpanmm." where uid=".$userppp);¸üÐÂÊý¾Ý£¿£¿£¿ 2¡¢PHP¸üÐÂmysql_fetch_row($res)Óëmysql_fetch_array($res)ÖеÄÊý¾ ......