itemdetail.aspx.cs

VSharp学习软件源代码bid示例程序

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 bid.Entity;

namespace bid
{
	/// <summary>
	/// ItemDetail 的摘要说明。
	/// </summary>
	public class ItemDetail : Pagebase
	{
		protected System.Web.UI.WebControls.Label lblItemDesc;
		protected System.Web.UI.WebControls.Label lblOwner;
		protected System.Web.UI.WebControls.DataGrid DataGrid1;
		protected System.Web.UI.WebControls.Button btnBid;
		protected System.Web.UI.WebControls.RangeValidator RangeValidator1;
		protected System.Web.UI.WebControls.TextBox txtPrice;
		protected System.Web.UI.WebControls.Label lblInfo;
		protected System.Web.UI.WebControls.HyperLink HyperLink1;
		protected System.Web.UI.WebControls.Label lblBasePrice;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			if( !IsPostBack )
			{
				LoadInitData();
			}
		}

		private void LoadInitData()
		{
			this.LoadItemInfo( this.GetId() );
			if( base.CurrentUser != null)
			{
				this.btnBid.Enabled = true;
			}
			else
			{
				this.btnBid.Enabled = false;
				this.btnBid.Text = "您尚未登录，不能出价!";
			}
		}

		private int GetId()
		{
			try
			{
				return int.Parse( Request.QueryString["Id"].ToString() );
			}
			catch
			{
				return 0;
			}
		}

		private void LoadItemInfo( int ItemId )
		{
			Item item = new Item( ItemId );
			if( item.Id != 0 )
			{
				this.lblItemDesc.Text = item.ItemDesc;
				this.lblBasePrice.Text = item.BasePrice.ToString();
				this.lblOwner.Text	= bid.Entity.User.GetUser( item.UserID ).Name;
				this.LoadItemPriceList( ItemId );
			}
		}

		private void LoadItemPriceList( int ItemId )
		{
			ItemPrice ip = new ItemPrice();
			DataTable tblTemp = ip.GetItemPriceByItemId( ItemId );
			this.DataGrid1.DataSource = tblTemp;
			this.DataGrid1.DataBind();
		}

		#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.btnBid.Click += new System.EventHandler(this.btnBid_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void btnBid_Click(object sender, System.EventArgs e)
		{
			ItemPrice ip = new ItemPrice();
			string Result = ip.bid( GetId(), base.CurrentUser.Id, Double.Parse( this.txtPrice.Text ));
			if( Result == "1" )
			{
				this.lblInfo.Text = "出价成功！";
				LoadInitData();
			}
			else
			{
				this.lblInfo.Text = Result;
			}

		}
	}
}