demand.ascx.cs

酒店管理系统

namespace hotel.Continer
{
	using System;
	using System.Data;
	using System.Drawing;
	using System.Web;
	using System.Web.UI.WebControls;
	using System.Web.UI.HtmlControls;
	using System.Data.SqlClient;

	/// <summary>
	///		demand 的摘要说明。
	/// </summary>
	public class demand : System.Web.UI.UserControl
	{
		protected System.Web.UI.WebControls.Label Label1;
		protected System.Web.UI.WebControls.Label Label2;
		protected System.Web.UI.WebControls.ImageButton ImageButton1;
		protected System.Web.UI.WebControls.Label Label3;
		protected System.Web.UI.WebControls.DropDownList DropDownList1;
		protected System.Web.UI.WebControls.ImageButton ImageButton2;
		private string rummeryid;

		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(!this.IsPostBack)
			{
				SqlConnection con=DB.createCon();
				con.Open();
				SqlCommand cmd=new SqlCommand("select * from rummery",con);
				SqlDataReader sdr=cmd.ExecuteReader();
				this.DropDownList1.DataSource=sdr;
				this.DropDownList1.DataTextField="rummeryname";
				this.DropDownList1.DataValueField="rummeryid";
				this.DropDownList1.DataBind();
				sdr.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.ImageButton1.Click += new System.Web.UI.ImageClickEventHandler(this.ImageButton1_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void ImageButton1_Click(object sender, System.Web.UI.ImageClickEventArgs e)
		{   
		     SqlConnection con=DB.createCon();
             con.Open();
		     SqlCommand cmd=new SqlCommand("select * from rummery where rummeryid="+this.DropDownList1.SelectedValue.ToString()+"",con);
		     rummeryid=Convert.ToInt32(cmd.ExecuteScalar()).ToString();
			 Response.Redirect("showrummery.aspx?rummeryid="+this.rummeryid);
			 con.Close();

			

             
		}
	}
}