infomod.aspx.cs

代码为图书馆管理系统软件

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.Web.Security;
using System.Data.SqlClient;
using DBase;

namespace Library
{
	/// <summary>
	/// ReaderInfo 的摘要说明。
	/// </summary>
	public class InfoMod: System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Panel Panel2;
		protected System.Web.UI.WebControls.LinkButton LinkBookBorrow;
		protected System.Web.UI.WebControls.LinkButton LinkBorrowHistory;
		protected System.Web.UI.WebControls.Label Label1;
		protected System.Web.UI.WebControls.HyperLink HyperLink1;
		protected System.Web.UI.WebControls.LinkButton LinkReaderInfo;
		protected System.Web.UI.WebControls.Label lblMessage;
		protected System.Web.UI.WebControls.Label Label2;
		protected System.Web.UI.WebControls.Label Label3;
		protected System.Web.UI.WebControls.TextBox tbEmail;
		protected System.Web.UI.WebControls.TextBox tbTel;
		protected System.Web.UI.WebControls.Button btnMod;
		protected System.Web.UI.WebControls.LinkButton LinkSignOut;

		static string id;

		private void Page_Load(object sender, System.EventArgs e)
		{
			if(!IsPostBack)
			{
				this.tbEmail.Text = Request.QueryString["email"];
				this.tbTel.Text =Request.QueryString["tel"];
				id=Request.QueryString["id"];
			}
			Response.Buffer=true;
			Response.ExpiresAbsolute=DateTime.Now.AddSeconds(-1);
			Response.Expires=0;
			Response.CacheControl="no-cache";
		}

		#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.LinkReaderInfo.Click += new System.EventHandler(this.LinkReaderInfo_Click);
			this.LinkBookBorrow.Click += new System.EventHandler(this.LinkBookBorrow_Click);
			this.LinkBorrowHistory.Click += new System.EventHandler(this.LinkBorrowHistory_Click);
			this.LinkSignOut.Click += new System.EventHandler(this.LinkSignOut_Click);
			this.btnMod.Click += new System.EventHandler(this.btnMod_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion


		private void LinkReaderInfo_Click(object sender, System.EventArgs e)
		{
			Response.Redirect("ReaderInfo.aspx");
		}

		private void LinkBookBorrow_Click(object sender, System.EventArgs e)
		{
			Response.Redirect("BookBorrow.aspx?id=" + id);
		}

		private void LinkBorrowHistory_Click(object sender, System.EventArgs e)
		{
			Response.Redirect("BorrowHistory.aspx?id=" + id);
		}
		private void LinkSignOut_Click(object sender, System.EventArgs e)
		{
			FormsAuthentication.SignOut();
			Response.Redirect("../logout.aspx");
		}

		private void btnMod_Click(object sender, System.EventArgs e)
		{
			if(DB.cn.State == ConnectionState.Closed)
				DB.cn.Open();

			string str = "update Reader set Telephone='" + tbTel.Text.Trim() + "' , Email='" + tbEmail.Text.Trim() + "' where ReaderID = '" + id + "'";
			SqlCommand com = new SqlCommand(str,DB.cn);
		
			try
			{
				com.ExecuteNonQuery();
				lblMessage.Text = "信息修改成功！";
			}
			catch
			{
				lblMessage.Text = "数据更新失败！";
			}
			DB.cn.Close();
		}
	}
}