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ADO.NET操作

连接:
 1 using System.Data.SqlClient;
 2
 3 SqlConnection conn = new SqlConnection("xxx"); 
 4        
 5  string sql = "xxx";
 6
 7  SqlCommand comm = new SqlCommand(sql, conn);
 8
 9  conn.Open();
10
11 comm.ExecuteNonQuery();
12
13 conn.Close();

查(绑定到DataGridView)
Code

  1 using System.Data.SqlClient;

  2

  3             SqlConnection conn = new SqlConnection("xxx");

  4

  5             string sql = "xxx";

  6

  7             SqlDataAdapter da = new SqlDataAdapter(sql, conn);

  8

  9             DataSet ds = new DataSet();

  10

  11             da.Fill(ds);

  12

  13             dataGridView1.DataSource = ds.Tables[0];

  14

  15   //要更新 查询语句要 查询主键列

  16

  17             SqlCommandBuilder sd = new SqlCommandBuilder(da);

  18

  19             da.Update(ds.Tables[0]);


 

摘自 木然
补充:Web开发 , ASP.Net ,
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