product.aspx.cs

一个网页的系统例子

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 DataAccessLibrary;
using Common;

namespace FerrariSales.Page
{
	/// <summary>
	/// Product 的摘要说明。
	/// </summary>
	public class Product : BasePage
	{
		protected System.Web.UI.WebControls.DropDownList cbo_Product;
		protected System.Web.UI.WebControls.Image img_ProductPic1;
		protected System.Web.UI.WebControls.Label lbl_ModisCode;
		protected System.Web.UI.WebControls.Label lbl_ProductName;
		protected System.Web.UI.WebControls.Label lbl_PreFixChassis;
		protected System.Web.UI.WebControls.Label lbl_PreFixEngine;
		protected System.Web.UI.WebControls.Label lbl_NetWeight;
		protected System.Web.UI.WebControls.Label lbl_GrossWeight;
		protected System.Web.UI.WebControls.Label lbl_Measurement;
		protected System.Web.UI.WebControls.Label lbl_Capacity;
		protected System.Web.UI.WebControls.Label lbl_IsProduct;
		protected System.Web.UI.HtmlControls.HtmlTable td_ProductInfo;
		protected System.Web.UI.WebControls.Button btnModify;
		protected System.Web.UI.WebControls.Button btnViewOption;
		protected System.Web.UI.WebControls.Button btnNewOrder;
		protected System.Web.UI.WebControls.Image img_ProductPic2;
		protected System.Web.UI.WebControls.Label lbl_BasePriceDealer;
		protected System.Web.UI.WebControls.Label lbl_BasePriceLow;
		protected System.Web.UI.WebControls.Label lbl_BasePriceNormal;

		public string IsProduct = "";

		private void Page_Load(object sender, System.EventArgs e)
		{
			this.SecurityCheck();

			if (!Page.IsPostBack)
			{
				this.InitProduct();

				//点击图像进行切换
				this.img_ProductPic1.Attributes.Add("OnClick","ChangePic(1);");
				this.img_ProductPic2.Attributes.Add("OnClick","ChangePic(2);");

				//产品信息列表不显示
				this.td_ProductInfo.Visible = false;

				//判断是否有URL参数
				string productID = Request["id"];
				if (productID != null && productID != "")
				{
					this.BaseOperation(productID);
				}
			}
		}

		#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.cbo_Product.SelectedIndexChanged += new System.EventHandler(this.cbo_Product_SelectedIndexChanged);
			this.btnModify.Click += new System.EventHandler(this.btnModify_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		/// <summary>
		/// 检索所有车型到下拉框
		/// </summary>
		private void InitProduct()
		{
			this.cbo_Product.Items.Clear();
			this.cbo_Product.Items.Add(new ListItem("请选择",""));

			BisProduct bisProduct = new BisProduct();
			DataTable table = bisProduct.GetProductModel();

			if (table == null)
			{
				return;
			}

			for (int i=0;i<table.Rows.Count;i++)
			{
				string productID = ConvertType.GetString(table.Rows[i]["ProductID"]);
				this.cbo_Product.Items.Add(new ListItem(productID,productID));
			}
		}

		/// <summary>
		/// 车型下拉框值发生变化后触发
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void cbo_Product_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			string selProductID = this.cbo_Product.SelectedValue;
			this.BaseOperation(selProductID);
			
		}

		/// <summary>
		/// 检索某一车型的信息
		/// </summary>
		/// <param name="selProductID"></param>
		private void BaseOperation(string selProductID)
		{
			if (selProductID == "") 
			{
				//图片不显示
				this.img_ProductPic1.Visible = false;
				this.img_ProductPic2.Visible = false;
				//产品信息列表不显示
				this.td_ProductInfo.Visible = false;
				return;
			}

			//检索产品信息和价格
			BisProduct bisProduct = new BisProduct();
			DataTable table = bisProduct.GetProductInfoAndValue(selProductID);

			if (table == null)
			{
				//图片不显示
				this.img_ProductPic1.Visible = false;
				this.img_ProductPic2.Visible = false;
				//产品信息列表不显示
				this.td_ProductInfo.Visible = false;
				return;
			}

			//确定图片文件名
			string pic1 = ConvertType.GetString(table.Rows[0]["PicPath1"]);
			string pic2 = ConvertType.GetString(table.Rows[0]["PicPath2"]);
			string picPath = ConfigurationSettings.AppSettings["ProductModelPicPath"];

			if (pic1 == null)
			{
				this.img_ProductPic1.Visible = false;
			}
			else
			{
				this.img_ProductPic1.ImageUrl = picPath + "/" + pic1;
				this.img_ProductPic1.Visible = true;
			}

			if (pic2 == null)
			{
				this.img_ProductPic2.Visible = false;
			}
			else
			{
				this.img_ProductPic2.ImageUrl = picPath + "/" + pic2;
				this.img_ProductPic2.Visible = true;
			}

			//显示产品信息和价格
			this.td_ProductInfo.Visible = true;
			this.lbl_ModisCode.Text = ConvertType.GetString(table.Rows[0]["ModisCode"]);
			this.lbl_ProductName.Text = ConvertType.GetString(table.Rows[0]["ProductName"]);
			this.lbl_PreFixChassis.Text = ConvertType.GetString(table.Rows[0]["PreFixChassis"]);
			this.lbl_PreFixEngine.Text = ConvertType.GetString(table.Rows[0]["PreFixEngine"]);
			this.lbl_NetWeight.Text = CommonFunc.ConvertNumericToPageStyle(ConvertType.GetInt(table.Rows[0]["NetWeight"]));
			this.lbl_GrossWeight.Text = CommonFunc.ConvertNumericToPageStyle(ConvertType.GetInt(table.Rows[0]["GrossWeight"]));
			this.lbl_Measurement.Text = CommonFunc.ConvertNumericToPageStyle(ConvertType.GetDecimal(table.Rows[0]["Measurement"]));
			this.lbl_Capacity.Text = Common.CommonFunc.ConvertNumericToPageStyle(ConvertType.GetDecimal(table.Rows[0]["Capacity"]));
			this.IsProduct = ConvertType.GetString(table.Rows[0]["IsProduct"]);
			if (this.IsProduct == "1")
			{
				this.lbl_IsProduct.Text = "可生产";
			}
			else
			{
				this.lbl_IsProduct.Text = "已停产";
				
			}
			this.lbl_BasePriceDealer.Text = CommonFunc.ConvertMoneyToPageStyle(ConvertType.GetInt(table.Rows[0]["BasePriceDealer"]));
			this.lbl_BasePriceLow.Text = CommonFunc.ConvertMoneyToPageStyle(ConvertType.GetInt(table.Rows[0]["BasePriceLow"]));
			this.lbl_BasePriceNormal.Text = CommonFunc.ConvertMoneyToPageStyle(ConvertType.GetInt(table.Rows[0]["BasePriceNormal"]));

			//查看配置Button
			string strViewOptionUrl = "javascript:window.location.href('ProductOption.aspx?id=" + selProductID + "');return false;";
			this.btnViewOption.Attributes.Add("OnClick",strViewOptionUrl);

			//信息修改Button
			string strModifyUrl = "javascript:window.location.href('ProductModify.aspx?id=" + selProductID + "');return false;";
			this.btnModify.Attributes.Add("OnClick",strModifyUrl);
		}

		private void btnModify_Click(object sender, System.EventArgs e)
		{
			this.Response.Redirect("ProductModify.aspx?opt=upd");
			this.Response.End();
		}
	}
}