RoomModify.aspx.cs

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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 partial class RoomModify : System.Web.UI.Page
	{
	
		protected 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 ();
				}