roommodify.aspx.cs

用ASP.NET做的酒店管理系统,该系统主要处理酒店日常运营中涉及的客户信息.

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 ;
using System.Data .SqlClient ;


namespace HMS
{
	/// <summary>
	/// RoomModify 的摘要说明。
	/// </summary>
	public class RoomModify : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.DropDownList ddl_rtype;
		protected System.Web.UI.WebControls.RequiredFieldValidator rfv_rtype;
		protected System.Web.UI.WebControls.TextBox tbx_rposition;
		protected System.Web.UI.WebControls.TextBox tbx_rdescribe;
		protected System.Web.UI.WebControls.Button btn_delete;
		protected System.Web.UI.WebControls.Button btn_modify;
		protected System.Web.UI.WebControls.Label lbl_rid;
		protected System.Web.UI.WebControls.HyperLink hlk_roomtypemanage;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			if(!IsPostBack)
			{	//绑定房间类型信息下拉列表框
				string strconn= ConfigurationSettings.AppSettings["dsn"];
				//连接本地计算机的HMS数据库
				SqlConnection cn0= new SqlConnection (strconn);
				cn0.Open ();
				string mysql="select * from RoomType ";
				SqlCommand cm0=new SqlCommand  (mysql,cn0);
				SqlDataReader dr0=cm0.ExecuteReader ();
				while(dr0.Read ())
				{
					ddl_rtype.Items .Add (new ListItem(dr0["tname"].ToString(),dr0["tid"].ToString()) );
				}
				cn0.Close ();

				//绑定各TextBox数据
				//连接本地计算机的HMS数据库
				SqlConnection cn= new SqlConnection (strconn);
				cn.Open ();
				SqlCommand cm=new SqlCommand  ("guestroomdetail",cn);
				cm.CommandType =CommandType .StoredProcedure ;
				cm.Parameters .Add ("@RID",SqlDbType.VarChar );
				cm.Parameters ["@RID"].Value =Request.QueryString ["rid"].ToString ();
				SqlDataReader dr=cm.ExecuteReader ();
				if(dr.Read ())//存在对应项
				{
					lbl_rid.Text =dr["rid"].ToString ();
					tbx_rposition.Text =dr["rposition"].ToString ();
					tbx_rdescribe.Text =dr["rdescribe"].ToString ();
					ddl_rtype.Items.FindByValue(dr["rtype"].ToString ()).Selected =true;
				}
				else
				{
					Response.Write ("对不起，没有该房间信息");
					Response.End ();
				}
			}
		}

		#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.btn_modify.Click += new System.EventHandler(this.btn_modify_Click);
			this.btn_delete.Click += new System.EventHandler(this.btn_delete_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void btn_modify_Click(object sender, System.EventArgs e)
		{
			if(Page.IsValid )
			{//从文件Web.config中读取连接字符串
				string strconn= ConfigurationSettings.AppSettings["dsn"];
				//连接本地计算机的HMS数据库
				SqlConnection cn= new SqlConnection (strconn);
				cn.Open ();
				//利用Command对象调用存储过程
				SqlCommand cm=new SqlCommand  ("guestroommodify",cn);
				//将命令类型转为存储类型
				cm.CommandType =CommandType.StoredProcedure ;
				//往存储过程中添加参数
				cm.Parameters .Add ("@RID",SqlDbType.VarChar);
				cm.Parameters .Add ("@RType",SqlDbType.Int );
				cm.Parameters .Add ("@RPosition",SqlDbType.VarChar);
				cm.Parameters .Add ("@RDescribe",SqlDbType.VarChar);
				//给存储过程的参数付值
				cm.Parameters ["@RID"].Value =lbl_rid.Text.ToString ();
				cm.Parameters ["@RType"].Value =Convert.ToInt32 (ddl_rtype.SelectedItem .Value.ToString ());
				cm.Parameters ["@RPosition"].Value =tbx_rposition.Text .ToString ();
				cm.Parameters ["@RDescribe"].Value =tbx_rdescribe.Text .ToString ();
				cm.ExecuteNonQuery ();
				//关闭连接
				cn.Close();
				Response.Redirect("roommanage.aspx");
			}
		}
		private void btn_delete_Click(object sender, System.EventArgs e)
		{//对GuestRoom表进行删除
			//从文件Web.config中读取连接字符串
			string strconn= ConfigurationSettings.AppSettings["dsn"];
			//连接本地计算机的HMS数据库
			SqlConnection cn= new SqlConnection (strconn);
			cn.Open ();
			SqlCommand cm=new SqlCommand ("guestroomdelete",cn);
			cm.CommandType =CommandType.StoredProcedure ;
			cm.Parameters .Add ("@RID",SqlDbType.VarChar );
			cm.Parameters ["@RID"].Value =lbl_rid.Text .ToString ();
			cm.ExecuteNonQuery ();
			cn.Close ();
		//对RoomState表进行删除
			cn.Open ();
			SqlCommand cm0=new SqlCommand  ("roomstatedelete",cn);
			cm0.CommandType =CommandType.StoredProcedure ;
			cm0.Parameters .Add ("@SRID",SqlDbType.VarChar);
			cm0.Parameters ["@SRID"].Value =lbl_rid.Text .ToString ();
			cm0.ExecuteNonQuery ();
			cn.Close ();
			Response.Redirect("roommanage.aspx");
		}
	}
}