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Picture of 97213529 郭益銘
by 97213529 郭益銘 - Sunday, January 11, 2009, 10:16 PM
Anyone in the world
virtual abstract

override new

base.X();

static

protected public private

try{} catch(Exception ex){}

int dog2;
public int dog1 { set { dog2 = value; } get { return dog2; } }

int a, b;
CallRef(ref a, ref b);
public static void CallRef(ref int x, ref int y){...}







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    Picture of 97213529 郭益銘
    by 97213529 郭益銘 - Monday, December 22, 2008, 2:39 AM
    Anyone in the world

    using System;
    using System.Collections.Generic;
    using System.Text;
    using System.Collections;

    namespace ConvertTest
    {
        class zzz
        {
            public double to10(string value, int based)
            {
                double sum = 0.0;
                int count = 0;
                if (value.Contains("."))
                    count = value.IndexOf('.') - 1;
                else
                    count = value.Length - 1;
                for (int i = 0; i < value.Length; i++) //n=>10
                    if (value[i] != '.')
                    {
                        if (char.Parse(value[i].ToString().ToUpper()) >='A')
                            sum += (char.Parse(value[i].ToString().ToUpper())-'A'+10) * Math.Pow(based, count--);
                        else
                        sum += Int32.Parse(value[i].ToString()) * Math.Pow(based, count--);
                    }
                return sum;
            }
            public void TentoN(double sum,int gg)
            {
                string[] arr = sum.ToString().Split('.');
                ArrayList dog1 = new ArrayList();
                int left = Int32.Parse(arr[0]);
                while (left != 0)
                {
                    dog1.Add(left % gg);
                    left /= gg;
                }
                dog1.Reverse();
                if (sum.ToString().Contains("."))
                {
                    dog1.Add(".");
                    double right = double.Parse("0." + arr[1].ToString());
                    for (int i = 0; i < 10; i++)
                    {
                        if (Math.Floor(right) == Math.Ceiling(right))
                            break;
                        right = right * gg;
                        dog1.Add(Math.Floor(right));
                        right = right - Math.Floor(right);
                    }
                }
                for (int i = 0; i < dog1.Count; i++)
                {
                    if (Int32.Parse(dog1[i].ToString())>9)
                        Console.Write((char)('A' + 10 - Int32.Parse(dog1[i].ToString())));
                    else
                        Console.Write(dog1[i]);
                }
            }
        }
        class Program
        {
            static void Main(string[] args)
            {
                Console.Write("請輸入數值:");
                string value = Console.ReadLine();
                Console.Write("請輸入基底:");
                int based = Int32.Parse(Console.ReadLine());
                zzz dog = new zzz();
                double sum = dog.to10(value,based);
                Console.WriteLine("10進位是 " + sum);//10
                //=========================TO 10==================
                Console.Write("請輸入基底:");
                int gg = Int32.Parse(Console.ReadLine());
                //int a=Convert.ToInt32(arr[0]);
                dog.TentoN(sum, gg);
                Console.ReadKey();
            }
        }
    }

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      Picture of 97213529 郭益銘
      by 97213529 郭益銘 - Tuesday, December 9, 2008, 10:22 AM
      Anyone in the world

      select dog.Provider_no from provider dog
      where dog.Provider_no not in



      (select distinct Provider.Provider_no from



      (
      SELECT Provider.Provider_no,p1.Item_No
      FROM Provide p1,Provider
      where p1.Provider_no='001' and Provider.Provider_no not in
      (SELECT provide.Provider_no FROM Provider INNER JOIN provide ON Provider.Provider_no = provide.Provider_no where p1.Item_no = provide.Item_no)
      )



      )
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