main.aspx.cs

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using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;

namespace bookmessage
{
	/// <summary>
	/// main 的摘要说明。
	/// </summary>
	public class main : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Button Button1;
		protected System.Web.UI.WebControls.Button Button3;
		protected System.Web.UI.WebControls.Label Label1;
		protected System.Web.UI.WebControls.Label Label2;
		protected System.Web.UI.WebControls.Label Label3;
		protected System.Web.UI.WebControls.Label Label4;
		protected System.Web.UI.WebControls.TextBox name2;
		protected System.Web.UI.WebControls.TextBox name;
		protected System.Web.UI.WebControls.TextBox photo;
		protected System.Web.UI.WebControls.DataGrid dd;
		protected System.Web.UI.WebControls.TextBox content;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
			if(!Page.IsPostBack)
			{
				xianshi();
			}
		}

		#region Web 窗体设计器生成的代码
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{    
			this.Button1.Click += new System.EventHandler(this.Button1_Click);
			this.Button3.Click += new System.EventHandler(this.Button3_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void Button3_Click(object sender, System.EventArgs e)
		{
			string con="data source=(local);database=bookmessage;uid=sa;pwd=";
			SqlConnection conn=new SqlConnection(con);
			conn.Open();
			string sql="insert into  message values('"+name.Text+"','"+photo.Text+"','"+content.Text+"')";
			SqlCommand com=new SqlCommand(sql,conn);
			com.ExecuteNonQuery();
			xianshi();
		
		}
		public void xianshi()
		{
			string con="data source=(local);database=bookmessage;uid=sa;pwd=";
			SqlConnection conn=new SqlConnection(con);
			conn.Open();
			string sql="select * from message";
			SqlCommand com=new SqlCommand(sql,conn);
			SqlDataReader dr=com.ExecuteReader();
			dd.DataSource=dr;
			dd.DataBind();
		}

		private void Button1_Click(object sender, System.EventArgs e)
		{
			string con="data source=(local);database=bookmessage;uid=sa;pwd=";
			SqlConnection conn=new SqlConnection(con);
			conn.Open();
			string sql="delete from message where name='"+name2.Text+"'";
			SqlCommand com=new SqlCommand(sql,conn);
			com.ExecuteNonQuery();
			xianshi();

		
		}
	}
}