打球归来，写一段写代然后吃饭。

填充和更新数据集，都要作的，现在还没有理解CS的意思。

1 using System; 2 using System.Collections.Generic; 3 using System.ComponentModel; 4 using System.Data; 5 using System.Drawing; 6 using System.Linq; 7 using System.Text; 8 using System.Threading.Tasks; 9 using System.Windows.Forms;10 using System.Data.SqlClient;11 12 namespace WindowsFormsApplication613 {14     public partial class Form1 : Form15     {16         SqlConnection conn;17         public Form1()18         {19             InitializeComponent();20         }21 22         private void button1_Click(object sender, EventArgs e)23         {24             conn = new SqlConnection("server = .; database = msdb; uid = A; pwd = B");25             SqlCommand cmd = new SqlCommand("select * from MSdbms", conn);26             SqlDataAdapter sda = new SqlDataAdapter();27             sda.SelectCommand = cmd;28             DataSet ds = new DataSet();29             sda.Fill(ds, "cs");30             dataGridView1.DataSource = ds.Tables[0];31         }32     }33 }