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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){...}
Comments
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();
}
}
}
Comments
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)
)
)