productmodify.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 Common;
using DataAccessLibrary;

namespace FerrariSales.Page
{
	/// <summary>
	/// ProductModify 的摘要说明。
	/// </summary>
	public class ProductModify : BasePage
	{
		protected System.Web.UI.WebControls.TextBox txt_ModisCode;
		protected System.Web.UI.WebControls.TextBox txt_ProductName;
		protected System.Web.UI.WebControls.TextBox txt_PreFixChassis;
		protected System.Web.UI.WebControls.TextBox txt_PreFixEngine;
		protected System.Web.UI.WebControls.TextBox txt_NetWeight;
		protected System.Web.UI.WebControls.TextBox txt_GrossWeight;
		protected System.Web.UI.WebControls.TextBox txt_Measurement;
		protected System.Web.UI.WebControls.DropDownList cbo_IsProduct;
		protected System.Web.UI.WebControls.Label lbl_ProductID;
		protected System.Web.UI.WebControls.TextBox txt_Capacity;
		protected System.Web.UI.WebControls.Button btn_New;
		protected System.Web.UI.WebControls.Button btn_Update;
		protected System.Web.UI.WebControls.Button btn_Cancel;
		protected System.Web.UI.WebControls.RegularExpressionValidator val_PreFixEngine;
		protected System.Web.UI.WebControls.RegularExpressionValidator val_ModisCode;
		protected System.Web.UI.WebControls.RegularExpressionValidator val_PreFixChassis;
		protected System.Web.UI.WebControls.RegularExpressionValidator val_NewWeight;
		protected System.Web.UI.WebControls.RegularExpressionValidator val_GrossWeight;
		protected System.Web.UI.WebControls.RegularExpressionValidator val_Measurement;
		protected System.Web.UI.WebControls.RegularExpressionValidator val_Capacity;
		protected System.Web.UI.WebControls.RequiredFieldValidator val_ModisCodeReq;

		private void Page_Load(object sender, System.EventArgs e)
		{
			//用户登录安全性检查(每个页面都要有,从BasePage继承)
			this.SecurityCheck();

			if (!Page.IsPostBack)
			{
				//判断操作类型(有URL参数的为新增)
				string productID = Request["id"];
				if (productID == null || productID == "")
				{
					//------新增模式------

					//点击取消Button后的页面跳转
					string strCancelUrl = "javascript:window.location.href('Product.aspx');return false;";
					this.btn_Cancel.Attributes.Add("OnClick",strCancelUrl);

					return;
				}
				else
				{
					//------修改模式------
					//检索车型信息
					this.GetProductInfo(productID);
					//将ProductID保存到缓存
					this.ViewState["ProductID"] = productID;

					//点击取消Button后的页面跳转
					string strCancelUrl = "javascript:window.location.href('Product.aspx?id=" + productID + "');return false;";
					this.btn_Cancel.Attributes.Add("OnClick",strCancelUrl);
				}
			}
		}

		#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.btn_New.Click += new System.EventHandler(this.btn_New_Click);
			this.btn_Update.Click += new System.EventHandler(this.btn_Update_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		/// <summary>
		/// 检索车型信息
		/// </summary>
		public void GetProductInfo(string productID)
		{
			//检索产品信息
			BisProduct bisProduct = new BisProduct();
			DataTable table = bisProduct.GetProductInfoAndValue(productID);

			if (table == null)
			{
				//产品不存在(此为安全代码)
				this.Response.Redirect("Product.aspx");
				this.Response.End();
			}

			this.lbl_ProductID.Text = ConvertType.GetString(table.Rows[0]["ProductID"]);
			this.txt_ModisCode.Text = ConvertType.GetString(table.Rows[0]["ModisCode"]);
			this.txt_ProductName.Text = ConvertType.GetString(table.Rows[0]["ProductName"]);
			this.txt_PreFixChassis.Text = ConvertType.GetString(table.Rows[0]["PreFixChassis"]);
			this.txt_PreFixEngine.Text = ConvertType.GetString(table.Rows[0]["PreFixEngine"]);
			this.txt_NetWeight.Text = CommonFunc.ConvertNumericToPageStyle(ConvertType.GetInt(table.Rows[0]["NetWeight"]));
			this.txt_GrossWeight.Text = CommonFunc.ConvertNumericToPageStyle(ConvertType.GetInt(table.Rows[0]["GrossWeight"]));
			this.txt_Measurement.Text = CommonFunc.ConvertNumericToPageStyle(ConvertType.GetDecimal(table.Rows[0]["Measurement"]));
			this.txt_Capacity.Text = Common.CommonFunc.ConvertNumericToPageStyle(ConvertType.GetDecimal(table.Rows[0]["Capacity"]));
			this.cbo_IsProduct.SelectedValue = ConvertType.GetString(table.Rows[0]["IsProduct"]);
			
		}

		private void btn_New_Click(object sender, System.EventArgs e)
		{
			//暂时不需要实现新增功能
		}

		/// <summary>
		/// 信息修改
		/// </summary>
		private void btn_Update_Click(object sender, System.EventArgs e)
		{
			//取得表单提交的数据
			DataTblProduct tblProduct = new DataTblProduct();
			tblProduct.ProductID = this.ViewState["ProductID"].ToString();
			tblProduct.ModisCode = this.txt_ModisCode.Text.Trim();
			tblProduct.ProductName = this.txt_ProductName.Text.Trim();
			tblProduct.PreFixChassis = this.txt_PreFixChassis.Text.Trim();
			tblProduct.PreFixEngine = this.txt_PreFixEngine.Text.Trim();
			tblProduct.NetWeight = int.Parse(this.txt_NetWeight.Text);
			tblProduct.GrossWeight = int.Parse(this.txt_GrossWeight.Text);
			tblProduct.Measurement = decimal.Parse(this.txt_Measurement.Text);
			tblProduct.Capacity = decimal.Parse(this.txt_Capacity.Text);
			tblProduct.IsProduct = this.cbo_IsProduct.SelectedValue;
			
			//更新
			BisProduct bisProduct = new BisProduct();
			if (bisProduct.UpdateProductInfo(tblProduct))
			{
				//更新成功,页面返回
				this.Response.Redirect("Product.aspx?id=" + tblProduct.ProductID);
				this.Response.End();
			}
		}
	}
}