10进制转换成 16进制到36进制的源码

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http://bbs.csdn.net/topics/380131393

using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms; namespace WindowsFormsApplication3{    public partial class Form1 : Form    {        public Form1()        {            InitializeComponent();        }         private void button1_Click(object sender, EventArgs e)        {            textBox3.Text = Convert(int.Parse(textBox1.Text), int.Parse(textBox2.Text));         }         private string Convert(int n, int Base)        {            bool gt0 = true;            if (Base < 10 || Base > 36) return null;            if (n == 0) return "0";            if (n < 0)            {                n = -n;                gt0 = false;            }            StringBuilder sb = new StringBuilder();            string t = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";            while (n > 0)            {                sb.Append(t[n % Base]);                n /= Base;            }            t = sb.ToString();            n = t.Length;            sb.Length = 0;            if (!gt0) sb.Append("-");            while (--n >= 0) sb.Append(t[n]);            return sb.ToString();        }           }}

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