Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

C#ÖÐʹÓÃDataTableÏÔʾAccessÊý¾Ý¿âÖÐÎļþÁбí


private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
        {
             this.comboBox2.Items.Clear();
            switch(this.comboBox1.SelectedIndex)
            {
             case 0:
                  try
                    {
                        OleDbConnection conn = new OleDbConnection(@"Provider=Microsoft.Jet.OLEDB.4.0;User ID=admin;Data Source=C:\tmpAccess\DataBase1.mdb");
                        conn.Open();
                        if(conn.State == System.Data.ConnectionState.Open){
                            Console.WriteLine("Success");
                        }
                        DataTable test = conn.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, new Object[] { null, null, null, "Table" });
                        this.dataGridView1.DataSource =test;
                        int tableIndex = test.Columns.IndexOf("TABLE_NAME");
                        foreach (DataRow row in test.Rows)
                            comboBox2.Items.Add(row[tableIndex].ToString());
     &nb


Ïà¹ØÎĵµ£º

C#¶ÔxmlµÄ²Ù×÷ʵÀýÔ´Âë

À©Õ¹±ê¼ÇÓïÑÔXML£¨eXtensible Markup Language£©£¬ÊÇÓÉW3C×éÖ¯ÖÆ¶¨µÄ¡£×öΪÓÃÓÚÌæ´úHTMLÓïÑÔµÄÒ»ÖÖÐÂÐ͵ıê¼ÇÓïÑÔ£¬XMLÄÚ²¿ÓÐןܶà»ù±¾±ê×¼£¬XML¾ÍÊÇͨ¹ýÓëÕâЩÏà¹Ø±ê×¼µØ½áºÏ£¬Ó¦ÓÃÓÚ¿ÆÑ§¼ÆËã¡¢µç×Ó³ö°æ¡¢¶àýÌåÖÆ×÷ºÍµç×ÓÉÌÎñµÄ¡£C££×÷ΪһÖÖÐÂÐ͵ijÌÐòÓïÑÔ£¬ÊÇ.Net¿ò¼ÜµÄÒ»¸öÖØÒª×é³É²¿·Ö£¬ËûºÍXMLµÄ¹ØÏµÆÄÉî¡£±¾ÎÄ¾Í´Ó ......

C# µ¥ÊµÀýÉè¼ÆÄ£Ê½

SingletonģʽµÄʵÏÖ
SingletonģʽµÄʵÏÖ»ùÓÚÁ½¸öÒªµã£º
1£©²»Ö±½ÓÓÃÀàµÄ¹¹Ô캯Êý£¬¶øÁíÍâÌṩһ¸öPublicµÄ¾²Ì¬·½·¨À´¹¹ÔìÀàµÄʵÀý¡£Í¨³£Õâ¸ö·½·¨È¡ÃûΪInstance¡£Public±£Ö¤ÁËËüµÄÈ«¾Ö¿É¼ûÐÔ£¬¾²Ì¬·½·¨±£Ö¤Á˲»»á´´½¨³ö¶àÓàµÄʵÀý¡£
2£©½«ÀàµÄ¹¹Ô캯ÊýÉèΪPrivate£¬¼´½«¹¹Ô캯Êý"Òþ²Ø"ÆðÀ´£¬ÈÎºÎÆóͼʹÓù¹Ô캯Êý´´½¨Ê ......

DelphiÓëC#Ö®¸¸£º¼¼ÊõÀíÏë¼Ü¹¹¿ª·¢´«Ææ

    Anders Hejlsberg(°²µÂ˹-º£É­²©¸ñ) ×øÔÚ×Ô¼ºµÄ°ì¹«ÊÒ£¬Ë«ÑÛÖ±Ö±µÄ¶¢×Åǰ·½¡£ËûÒª×öÒ»¸ö¾ö¶¨£¬¾ö¶¨×Ô¼ºÎ´À´µÄÃüÔ˺ÍÀíÏë¡£ÕâÊÇ1996ÄêÒ»¸öÆÕͨµÄÏÂÎ磬¼¸¸öСʱǰ£¬Ëû¸ÕÓë±È¶û-¸Ç´Ä½áÊøÁËÒ»´ÎÓä¿ìµÄÎç²Í£¬Í¬ÎªÈí¼þ½çµÄ¾«Ó¢£¬ËûÃÇÏà̸Éõ»¶£¬¸Ç´Ä¸øËû¿ª³öÈý°ÙÍòÒÔÉϵÄÄêнºÍÊýÍò¹ÉµÄ΢Èí¹ÉƱ¡£ÕâÊÇÒ»¸öÓÕÈË ......

C#ÐòÁл¯xmlµÄÍêÕûÀý×Ó

C#ÐòÁл¯xml
¹Ø¼ü²½Ö裺
XmlSerializer xSerializer = new XmlSerializer(typeof(MyObj));
StringWriter sWriter = new StringWriter(CultureInfo.InvariantCulture);
XmlTextWriter xTextWriter = new XmlTextWriter(sWriter);
......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ