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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


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MD5¼ÓÃܵÄÒ»°ã·½·¨(ASP.NET / C#2005)

  /// <summary>
/// ·½·¨Ò»:ͨ¹ýʹÓà new ÔËËã·û´´½¨¶ÔÏó
/// </summary>
/// <param name="strSource">ÐèÒª¼ÓÃܵÄÃ÷ÎÄ</param>
/// <returns>·µ»Ø16λ¼ÓÃܽá¹û£¬¸Ã½á¹ûÈ¡32λ¼ÓÃܽá¹ûµÄµÚ9λµ½25λ</returns>
public string Get_MD5_Method1(strin ......

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    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 ......

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        public static void CopyFile(string source, string destination)
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protected void Page_Load(object sender, EventArgs e)
{
Ol ......

ÈçºÎ¼ÆËãMS SQLÓï¾äÖ´ÐеÄʱ¼ä»¹ÓÐc#


MSSQL:
declare @begin datetime
declare @End datetime
set @begin=getdate()
   --Ö´ÐеÄÓï¾äдÔÚÕâÀï
set @End=getdate()
select datediff(millisecond,@begin,@End) as Ö´ÐеÄʱ¼ä
--millisecond±íʾºÁÃë Èç¹û¿´Ãë¿ÉÒÔʹÓÃss
C#:
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