roomrepair.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>
	/// RoomRepair 的摘要说明。
	/// </summary>
	public class RoomRepair : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.TextBox TextBox1;
		protected System.Web.UI.WebControls.Button OK;
		protected System.Web.UI.WebControls.Button Clear;
		protected System.Data.SqlClient.SqlConnection conn;
		protected System.Data.SqlClient.SqlCommand cmd;
		protected System.Data.SqlClient.SqlDataReader reader;
		protected string myConn;
		protected string cmdText;
	
		private string SearchRoom_ID()
		{
			string s="";
			System.Data.SqlClient.SqlCommand cmd2;
			System.Data.SqlClient.SqlDataReader reader2;
			this.myConn=ConfigurationSettings.AppSettings["mySql"];
			this.conn=new System.Data.SqlClient.SqlConnection(myConn);
			conn.Open();
			cmd2=new System.Data.SqlClient.SqlCommand("select Room_ID from Student where Student_ID='"+Session["user"].ToString()+"'",conn);
			reader2=cmd2.ExecuteReader();
			if(reader2.Read())
			{

				s=reader2["Room_ID"].ToString();
			}
			reader2.Close();
			conn.Close();
			return s;
		}
		private bool Empty()
		{
			int i=0;
			this.myConn=ConfigurationSettings.AppSettings["mySql"];
			this.conn=new System.Data.SqlClient.SqlConnection(myConn);
			cmd=new System.Data.SqlClient.SqlCommand("select * from Repair where Room_ID='"+SearchRoom_ID()+"'",conn);
			conn.Open();
			reader=cmd.ExecuteReader();
			if(reader.Read())
			{
				i=1;
			}
			reader.Close();
			conn.Close();
			if(i==1) return true;
			else return false;
		}
		
		

		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(!IsPostBack)
			{
				this.myConn=ConfigurationSettings.AppSettings["mySql"];
				this.conn=new System.Data.SqlClient.SqlConnection(myConn);
				cmd=new System.Data.SqlClient.SqlCommand("select * from Repair where Room_ID='"+SearchRoom_ID()+"'",conn);
				conn.Open();
				reader=cmd.ExecuteReader();
				if(reader.Read())
				{
					this.TextBox1.Text=reader["Room_Repair"].ToString();
				}
				else 
				{
					this.TextBox1.Text="维修记录为空";
				}
				reader.Close();
				conn.Close();
		
			}
		}
		#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 void OK_Click(object sender, System.EventArgs e)
		{
			bool b;
			this.myConn=ConfigurationSettings.AppSettings["mySql"];
			this.conn=new System.Data.SqlClient.SqlConnection(myConn);
			if(SearchRoom_ID()!="")
			{
				if(!Empty())
				{	
					cmdText="insert into Repair (Room_ID,Room_Repair,Student_ID) values('"+SearchRoom_ID()+"','"+TextBox1.Text+"','"+this.Session["user"]+"')";
					conn.Open();
					cmd=new System.Data.SqlClient.SqlCommand(cmdText,conn);
					cmd.ExecuteNonQuery();
					Response.Write("<script>alert('维修信息登记成功！')</script>");
				}
				else if(Empty())
				{
					cmdText="update Repair set Room_Repair='"+TextBox1.Text+"' where Student_ID='"+SearchRoom_ID()+"'";
					conn.Open();
					cmd=new System.Data.SqlClient.SqlCommand(cmdText,conn);
					cmd.ExecuteNonQuery();
					Response.Write("<script>alert('维修信息修改成功！')</script>");
				}
			}
			else 
				{
					Response.Write("<script>alert('对不起，你还未登记入住！')</script>");
				}
			conn.Close();
			b=Empty();
			
			
		}


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