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if (File.Exists(txtBrow.Text) != false) // Îı¾¿òtxtBrowÖÐÄÚÈÝΪÎļþ·¾¶¼°ÎļþÃû
{
//»ñÈ¡Îļþºó׺
FileInfo p = new FileInfo(txtBrow.Text.Trim());
F_str_Type = p.Extension.ToLower();
if (F_str_Type.Length > 5)
{
MessageBox.Show("²»¿Éʶ±ðµÄÎļþ¸ñʽ£¬ÇëÖØÐÂÈ·ÈÏ£¡","¾¯¸æ");
return;
}
//ÅжÏÎļþ´óС
if (p.Length == 0)
{
MessageBox.Show("ÎļþµÄ´óСΪ“0”£¬²»Äܱ£´æ£¡", "¾¯¸æ");
return;
}
//´´½¨Îļþ¶ÔÏóÒÔ´ò¿ªµÄÐÎʽ¶ÁÈ¡Îļþ
FileStream sFileStream = new FileStream(txtBrow.Text, FileMode.Open);
//·ÖÅäÊý×é´óС
byte[] bFile = new byte[sFileStream.Length];
//½«ÎļþÄÚÈݶÁ½øÊý×é
sFileStream.Read(bFile, 0, (int)sFileStream.Length);
//¹Ø±ÕÎļþ¶ÔÏó
sFileStream.Close();
//²éÕÒÎĵµÀà±ðºÅ
OleDbDataReader topicread = SaveConn.GetReader("select File_ID from FileTopic where File_Topic='" + cbbTopic.Text.Trim() + "'");
//Read()·½·¨ÓÃÀ´¶ÁÈ¡OleDbDataReader¶ÔÏóÖеļǼ
topicread.Read();
T_int_Topic=(int)topicread["File_ID"];
OleDbConnectio
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using System;
using System.Collections.Generic;
using System.ComponentMo ......
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using System;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using MySql ......
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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
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