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       int Äê=currentTime.Year;  
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       int ÔÂ=currentTime.Month;  
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       int ÈÕ=currentTime.Day;  
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       int ʱ=currentTime.Hour;  
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       int ·Ö=currentTime.Minute;  
  1.7 È¡µ±Ç°Ãë  
       int Ãë=currentTime.Second;  
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   12345.ToString("f4");        //Éú³É 12345.0000  
   12345.ToString("x");         //Éú³É 3039  (16½øÖÆ)  
   12345.ToString("p");         //Éú³É 1,234,500.00% 
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using System.Data;
using System.Data.OleDb;
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    //default.aspx.cs
using System;   
using System.Collections.Generic;   
using System.ComponentModel;   
using System.Data;   
using System.Drawing;   
using System.Linq;   
using System.Text;   
using System.Data.OleDb;   
using System.Data.SqlClient;   
using System.Runtime.InteropService ......