roomexchange.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.RoomManage
{
	/// <summary>
	/// RoomExchange 的摘要说明。
	/// </summary>
	public class RoomExchange : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Label Label1;
		protected System.Web.UI.WebControls.TextBox TextBox1;
		protected System.Web.UI.WebControls.TextBox TextBox2;
		protected System.Web.UI.WebControls.Button Button1;
		protected System.Web.UI.WebControls.Button Button2;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator1;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator2;
		protected System.Web.UI.WebControls.Label Label2;
		protected System.Data.SqlClient.SqlConnection conn;
		protected System.Data.SqlClient.SqlCommand cmd;
		protected System.Data.SqlClient.SqlCommand cmd2;
		protected System.Data.SqlClient.SqlDataReader reader;
		protected string myConn;
		protected System.Web.UI.WebControls.Button Search;
		protected string cmdText;
		
		private int check(string ID)
		{
			int id=0;
			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,Room_ID from Student",conn);
			conn.Open();
			reader2=cmd2.ExecuteReader();
			while(reader2.Read())
			{
				if(reader2["Student_ID"].ToString()==ID)
				{
					id=Convert.ToInt32(reader2["Room_ID"].ToString());
					
				}
			}
			reader2.Close();
			conn.Close();
			return id;
			
		}
		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.Button1.Click += new System.EventHandler(this.Button1_Click);
			this.Button2.Click += new System.EventHandler(this.Button2_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void Button1_Click(object sender, System.EventArgs e)
		{
			this.myConn=ConfigurationSettings.AppSettings["mySql"];
			this.conn=new System.Data.SqlClient.SqlConnection(myConn);
			try
			{	
				if(TextBox1.Text!=TextBox2.Text)
				{
					if(check(TextBox1.Text)!=0)
					{
						if(check(TextBox2.Text)!=0)
						{
							int a=Convert.ToInt32(check(TextBox1.Text));
							int b=Convert.ToInt32(check(TextBox2.Text));
							this.cmd=new System.Data.SqlClient.SqlCommand("update Student set Room_ID='"+b+"' where Student_ID='"+TextBox1.Text+"'",conn);
							this.cmd2=new System.Data.SqlClient.SqlCommand("update Student set Room_ID='"+a+"' where Student_ID='"+TextBox2.Text+"'",conn);
							conn.Open();
							cmd.ExecuteNonQuery();
							cmd2.ExecuteNonQuery();
							conn.Close();
							Response.Write("<script>alert('交换寝室成功！')</script>");

						}
						else Response.Write("<script>alert('学号B错误！')</script>");
					
					}
					else Response.Write("<script>alert('学号A错误！')</script>");
				}
				else Response.Write("<script>alert('请输入不同的学号！')</script>");
			}
			catch(Exception ex)
			{	
				
				Response.Write("<script>alert('"+ex.Message+"')</script>");
			
			}
	
		}

		private void Button2_Click(object sender, System.EventArgs e)
		{
			this.TextBox1.Text="";
			this.TextBox2.Text="";
		}
	}
}