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using System.Data.OleDb;
public static void CreateExcelFile2()
  {
   string OLEDBConnStr = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=c:\\aa2.xls;";  
   OLEDBConnStr +=   " Extended Properties=Excel 8.0;";
   string strCreateTableSQL = @" CREATE TABLE ";
   strCreateTableSQL += @" ²âÊÔ±í ";
   strCreateTableSQL += @" ( ";
   strCreateTableSQL += @" ID INTEGER, ";
   strCreateTableSQL += @" UserID INTEGER, ";
   strCreateTableSQL += @" UserIP VARCHAR , ";
   strCreateTableSQL += @" PostTime DATETIME , ";
   strCreateTableSQL += @" fromParm VARCHAR  ";
   strCreateTableSQL += @" ) ";
   OleDbConnection oConn = new OleDbConnection();
  
   oConn.ConnectionString = OLEDBConnStr;
   OleDbCommand oCreateComm = new OleDbCommand();
   oCreateComm.Connection = oConn;
   oCreateComm.CommandText = strCreateTableSQL;
   oConn.Open();
   oCreateComm.ExecuteNonQuery();
   oConn.Close();
}
using System.Data.OleDb;
public static void CreateExcelFile2()
  {
   string OLEDBConnStr = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=c:\\aa2.xls;";  
   OLEDBConnStr +=   " Extended Properties=Excel 8.0;";
   string strCreateTableSQL = @" CREATE TABLE ";
   strCreateTableSQL += @" ²âÊÔ±í ";
   strCreateTableSQL += @" (


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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Data.SQLite;
using System.Threading;
using System.Collections;
us ......

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public static void Main()
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            WebRequest req = WebRequest.Create("http://blog.csdn.net/xiaofengsheng");
            try
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