(3)C#之ADO.Net 数据集（DataSet）

 1 using(SqlConnection conn = new SqlConnection("Data Source=PC201507182002\\SQLEXPRESS;Initial Catalog=123456;Integrated Security=True"))
 2             {
 3                 conn.Open();
 4                 using (SqlCommand cmd = conn.CreateCommand())
 5                 {
 6                     cmd.CommandText = "select * from student where name =@name";
 7                     cmd.Parameters.Add(new SqlParameter("@name",textBox1.Text));
 8                     SqlDataAdapter da = new SqlDataAdapter(cmd);
 9                     DataSet ds = new DataSet();
10                     da.Fill(ds);
11                     
12                     DataTable dt = ds.Tables[0];
13                     DataRowCollection rows = dt.Rows;
14                     for (int i = 0; i < rows.Count; i++)
15                     {
16                         DataRow dr = rows[i];
17                         string name = (string)dr[0];
18                         string name1 = (string)dr[1];
19  
20                         MessageBox.Show("name:"+name+"----name1："+name1);
21                     }
22  
23  
24                 }
25             }