Çó¸ßÊÖÖ¸µã£¬Ò»¸öPDA³ÌÐò£¬sqliteÊý¾Ý¿âÁ¬½Ó²»ÉÏ£¬¼±
string ConStr="data source=C:\ceshi.db;verson=3;password=123456"; SQLiteConnection MyConnection = new SQLiteConnection(ConStr); try { MyConnection.Open(); MessageBox.Show("OK"); using (SQLiteCommand SQLCom = new SQLiteCommand(MyConnection)) { string strSQL = @"SELECT num from ceshi;"; SQLCom.CommandText = strSQL; SQLiteDataReader SQLReader = SQLCom.ExecuteReader(); while (SQLReader.NextResult() != false) { this.label1.Text = SQLReader["num"].ToString(); } } MyConnection.Close(); } catch (Exception err) { throw err; }
·¾¶²»¶Ô°É¡£ string ConStr="data source=C:\ceshi.db;verson=3;password=123456"; PDAÉϲ»´æÔÚÀàËÆC£º\Õâ¶«¶«°É¡£ÒýÓà ·¾¶²»¶Ô°É¡£ string ConStr="data source=C:\ceshi.db;verson=3;password=123456&
Ïà¹ØÎÊ´ð£º
µç»°±¾Æ¥Åä²éѯ£¬Ï£ÍûÒ»ÌõÓï¾ä¸ã¶¨ ¼ÙÉèºÅÂë±¾(numtable)ÈçÏÂ: ºÅÂë(num) ÁªÏµÈË (relationname) 10086 ÒÆ ......
ÇódelphiÔõÑùÁ¬½ÓSqlite Ôöɾ¸Ä²éÀý×Ó ÓÃASqlite3Query,ÉèÖÃËûµÄconnectionΪASqlite3DB ASqlite3Query.Sql.text := 'insert into ....'; ASqlite3Query.Execsql; sqlstr:='insert into stude ......
delphiÁ¬½ÓSqlite Ôöɾ¸Ä²éÀý×Ó Êý¾Ý¿âÒѾÁ¬Í¨ÁË, ²åÈë»á±¨´í£¬no query specified with dm.ASQLite3Query1 do begin dm.ASQLite3Query1.Close; dm.ASQLite3 ......
ÓÉÓڳɱ¾¿¼ÂÇÓÃsqlite×öÊý¾Ý¿â£¬¿ÉÊÇÔÚµ÷ÓÃcreate·½·¨Ê±³ö´í£¬ºÃÏñÊDz»Äܵõ½×ÔÔöµÄIDÔõô¸Ä°¡ ÓÃmysqlÓÐʲô³É±¾£¿ ÓÃmysql²»µÃÂòÊý¾Ý¿â°¡¡£¡£¡£ ¶¼ÊÇÒ»Ð©Ð¡ÍøÕ¾ id INTEGER NOT NULL PRIMARY KEY ......
sqlite ²éѯijһÊý¾ÝËùÔÚµÄÐÐÊý£º ÆäÖÐÊý¾Ý±íÖÐûÓÐרÃűêʶÌõÊýµÄË÷ÒýÖµ£¬ÎÒÃǸù¾ÝÆäËûһЩ×ֶβéÕÒµ½Á˸ÃÊý¾Ý£¬ÏÖÔÚÐèÒª·µ»Ø¸ÃÊý¾ÝËùÔÚµÄÐÐÊý¡£ ÆäÖÐsqlite manager ÖÐÓÐÒ»¸örowid£¬µ«ÊÇÕâ¸ö²¢ÎÞ·¨· ......