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[];    //数据集合方式
             //grid1.DataSource = TransInfo;
             grid1.DataSource = ds.Tables[];
          }

         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);
         }
     }
 }