DataSet 关系

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();
        }
        
        DataSet ds = new DataSet();
        DataTable TransInfo = new DataTable("TransInfo");
        private void button1_Click(object sender, EventArgs e)
        {
            DataRow dr = TransInfo.NewRow();
            dr["lotNo"] = textBox1.Text;
            dr["carrierCode"] = textBox2.Text;
            TransInfo.Rows.Add(dr);
            //dataGridView1.DataSource = TransInfo;   //表显示方式
            dataGridView1.DataSource = ds.Tables[0];    //数据集合方式
            //grid1.DataSource = TransInfo;
            grid1.DataSource = ds.Tables[0];
         }

        private void Form1_Load(object sender, EventArgs e)
        {
            //类型 要窗体加载的时候启动 ，不然每次都会覆盖原来的
            TransInfo.Columns.Add(new DataColumn("lotNo", typeof(string)));                 // typeof(string))   上下两种类型写法
            TransInfo.Columns.Add(new DataColumn("carrierCode", Type.GetType("System.String")));    // Type.GetType("System.String"))
            ds.Tables.Add(TransInfo);
        }
    }
}