roomlive.aspx.cs

学生公寓管理系统使用说明： 1.服务器运行环境 SQL 2000 .NET FRAMEWORK 1.1 .NET FRAMEWORK 1.1 CHINESE (SIMPL

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.Configuration;

namespace Manage
{
	/// <summary>
	/// RoomLive 的摘要说明。
	/// </summary>
	public class RoomLive : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Label Label1;
		protected System.Web.UI.WebControls.TextBox TextBox1;
		protected System.Web.UI.WebControls.Label Label2;
		protected System.Web.UI.WebControls.Button OK;
		protected System.Web.UI.WebControls.Button Clear;
		protected System.Web.UI.WebControls.TextBox TextBox2;
		protected System.Data.SqlClient.SqlConnection conn;
		protected System.Data.SqlClient.SqlCommand cmd;
		protected string myConn;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator1;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator2;
		protected string cmdText;
		
	
		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 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.OK.Click += new System.EventHandler(this.OK_Click);
			this.Clear.Click += new System.EventHandler(this.Clear_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private bool check1(string ID)
		{
			System.Data.SqlClient.SqlCommand cmd2;
			System.Data.SqlClient.SqlDataReader reader2;
			this.myConn=ConfigurationSettings.AppSettings["mySql"];
			this.conn=new System.Data.SqlClient.SqlConnection(myConn);
			cmd2=new System.Data.SqlClient.SqlCommand("select Student_ID from Student",conn);
			int i=0;
			conn.Open();
			reader2=cmd2.ExecuteReader();
			while(reader2.Read())
			{
				if(reader2["Student_ID"].ToString()==ID)

					i=1;
			}
			reader2.Close();
			conn.Close();
			if(i==1) return true;
			else  return false;
			
		}

		private bool check2(string ID)
		{
			System.Data.SqlClient.SqlCommand cmd2;
			System.Data.SqlClient.SqlDataReader reader2;
			this.myConn=ConfigurationSettings.AppSettings["mySql"];
			this.conn=new System.Data.SqlClient.SqlConnection(myConn);
			cmd2=new System.Data.SqlClient.SqlCommand("select Room_ID from Room",conn);
			int i=0;
			conn.Open();
			reader2=cmd2.ExecuteReader();
			while(reader2.Read())
			{
				if(reader2["Room_ID"].ToString()==ID)

					i=1;
			}
			reader2.Close();
			conn.Close();
			if(i==1) return true;
			else  return false;
			
		}
		private void OK_Click(object sender, System.EventArgs e)
		{
			if(check1(this.TextBox1.Text))
			{
				if(check2(this.TextBox2.Text))
				{
					this.myConn=ConfigurationSettings.AppSettings["mySql"];
					this.conn=new System.Data.SqlClient.SqlConnection(myConn);
					cmdText="update Student set Room_ID='"+TextBox2.Text+"'where Student_ID='"+TextBox1.Text+"'";
					conn.Open();
					cmd=new System.Data.SqlClient.SqlCommand(cmdText,conn);
					cmd.ExecuteNonQuery();
					Response.Write("<script>alert('入住登记成功！')</script>");
					conn.Close();
					this.TextBox1.Text="";
					this.TextBox2.Text="";
				}
			
				else Response.Write("<script>alert('不存在的寝室编号！')</script>");
			}
			
			else Response.Write("<script>alert('不存在的学号！')</script>");

		}

		private void Clear_Click(object sender, System.EventArgs e)
		{
			this.TextBox1.Text="";
			this.TextBox2.Text="";
		}

	}
}