leavemsg.aspx.cs

此为留言板

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

namespace MsgBoard
{
	/// <summary>
	/// LeaveMsg 的摘要说明。
	/// </summary>
	public class LeaveMsg : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.TextBox txtUserID;
		protected System.Web.UI.WebControls.TextBox txtMsgBody;
		protected System.Web.UI.WebControls.Button btnSubmit;
		protected System.Web.UI.WebControls.Button btnCancel;


	
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
		}

		#region Web Form Designer generated code
		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.btnCancel.Click += new System.EventHandler(this.btnCancel_Click);
			this.btnSubmit.Click += new System.EventHandler(this.btnSubmit_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void btnCancel_Click(object sender, System.EventArgs e)
		{
			//取消添加留言
			Response.Redirect("WebForm1.aspx"); 
		}

		private void btnSubmit_Click(object sender, System.EventArgs e)
		{
			//new a dbconnection，数据库为db目录下的msgdb.mdb
			string connstr = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" 
				+ Server.MapPath(@".\db\msgdb.mdb") 
				+ ";Mode=Share Deny None;Persist Security Info=False";
			OleDbConnection conn = new OleDbConnection(connstr); 
			conn.Open ();
			string sql = "INSERT INTO [msgtbl]([user_id],[msg_body]) VALUES(@UserID,@MsgBody)";
			OleDbCommand cmd = new OleDbCommand(sql, conn);
			cmd.Parameters.Add ("@UserID",txtUserID.Text );
			cmd.Parameters.Add ("@MsgBody",txtMsgBody.Text );
			//添加留言记录
			cmd.ExecuteNonQuery ();
			conn.Close ();
			Response.Redirect ("WebForm1.aspx");
			
		}
	}
}