//创建 DataTable
DataTable categories = new DataTable("Categories");

//添加字段
DataColumn column = new DataColumn();

using System;
using System.Data;
using System.Data.SqlClient;
using System.Windows.Forms;

using System;
using System.Windows.Forms;
using System.Diagnostics;

namespace WindowsFormsApplication1

private void button1_Click(object sender, EventArgs e)
{
    using (Graphics graphics = this.CreateGraphics())
    {
        graphics.DrawString("木子屋:http://www.mzwu.com/", new Font("宋体", 15), new SolidBrush(Color.Red), 0, 0);

static void Main(string[] args)
{
    for (int i = 0; i < Number(); i++)
        Console.WriteLine(i);

using System;
using System.Windows.Forms;

namespace WindowsFormsApplication1

//设置
listView1.View = View.Details;
listView1.GridLines = true;
listView1.FullRowSelect = true;
listView1.CheckBoxes = true;