ADO.NET操作数据库（删除）

Default.aspx.cs中ADO.NET操作数据库（删除）：
using System;using System.Collections.Generic;using System.Data;using System.Data.SqlClient;//添加ADO.net数据命名空间；using System.Linq;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;
public partial class _Default : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { string strsql = "Data Source=(local);Initial Catalog=GustBook;User ID=sa;Password=sql2008@"; SqlConnection conn= new SqlConnection(strsql); try { Label1.Text = "数据库连接成功"; conn.Open(); string deleteQuery = "delete from tbGuestBook where id=1"; //上行删除表中id=1的一行内容； SqlCommand sqlcommand = new SqlCommand(deleteQuery, conn); //初始化command对象； sqlcommand.ExecuteNonQuery();//使用command方法； Label1.Text = "数据库删除成功"; } catch(Exception aa) { Label1.Text = aa.ToString(); } }}本文出自 “Jessen Liu的博文” 博客，请务必保留此出处http://zkhylt.blog.51cto.com/3638719/1123967