combobox连dataset效果 11292150

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Data;
using System.Data.SqlClient;


namespace WindowsFormsApplication20
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            // 实例化得到一个数据集
            DataSet ds = new DataSet();

            // 获得连接对象
            String connString = "Data Source=.;Initial Catalog=dbok;User ID=sa;Password=root123123";
            SqlConnection conn = new SqlConnection(connString);

            // 获得DataAdapter对象
            String sql = "select * from sanguo";
            //SqlDataAdapter adapter = new SqlDataAdapter(sql,conn);
            SqlDataAdapter adapter = new SqlDataAdapter();
            SqlCommand cmd = new SqlCommand(sql, conn);
            adapter.SelectCommand = cmd;
            Console.WriteLine(adapter);

            // 把小车装的货倒入数据集中
            adapter.Fill(ds, "one");

            cbName.DataSource = ds.Tables["one"];
            cbName.DisplayMember = "name";
            cbName.ValueMember = "id";


        }
    }
}