deletepurquote.aspx.cs

MIS系统开发与应用配套的源代码

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.Data.SqlClient;
using MisPurchase.Components;

namespace MisPurchase.DesktopModules.PurQuote
{
	/// <summary>
	/// DeletePurQuote 的摘要说明。
	/// </summary>
	public class DeletePurQuote : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Label Label4;
		protected System.Web.UI.WebControls.DropDownList ProductList;
		protected System.Web.UI.WebControls.Label lblLReceiver;
		protected System.Web.UI.WebControls.TextBox Price;
		protected System.Web.UI.WebControls.Label Label2;
		protected System.Web.UI.WebControls.DropDownList CustomerList;
		protected System.Web.UI.WebControls.Label Label3;
		protected System.Web.UI.WebControls.TextBox Remark;
		protected System.Web.UI.WebControls.Button DeleteBtn;
		protected System.Web.UI.WebControls.Button ReturnBtn;
	
		private int nPurQuoteID = -1;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			///判断用户是否登陆
			if(Session["UserID"] == null)
			{
				Response.Redirect("~/Default.aspx");
			}
			///判断用户是否是超级管理员
			if(Components.User.IsAuthorityAdmin(Session["UserID"].ToString()) >= Components.User.USERTYPENORMAL)
			{
				Response.Write("<script>alert(\"你没有权限，请与管理员联系！\")</script>");
				Response.Write("<script>history.back();</script>");
			}			
			if(Request.Params["PurQuoteID"] != null)
			{
				nPurQuoteID = Int32.Parse(Request.Params["PurQuoteID"].ToString());
			}
			if(!Page.IsPostBack)
			{
				///绑定控件的数据
				BindProductData();
				BindCustomerData();
				if(nPurQuoteID > -1)
				{
					///显示信息
					BindPurQuoteData(nPurQuoteID);
				}
			}

			///设置添加按钮的可用性
			DeleteBtn.Enabled = (ProductList.Items.Count <= 0
				|| CustomerList.Items.Count <= 0 || nPurQuoteID <= -1) ? false : true;	
			///添加删除确认对话框
			DeleteBtn.Attributes.Add("onclick","return confirm('" + MisSystem.OPERATIONDELETEMESSAGE + "');");			
		}

		private void BindProductData()
		{
			///定义获取数据的类
			MisPurchase.Components.Product product = new Product();
			SqlDataReader recp = product.GetProducts();

			///设定控件的数据源
			ProductList.DataSource = recp;
			
			///设定控件的Text属性和Value属性
			ProductList.DataTextField = "ProName";
			ProductList.DataValueField = "ProductID";

			///绑定控件的数据
			ProductList.DataBind();

			///关闭数据读取器和数据库的连接
			recp.Close();
		}

		private void BindCustomerData()
		{
			///定义获取数据的类
			MisPurchase.Components.Customer customer = new Customer();
			SqlDataReader recc = customer.GetCustomers();

			///设定控件的数据源
			CustomerList.DataSource = recc;
			
			///设定控件的Text属性和Value属性
			CustomerList.DataTextField = "DepartName";
			CustomerList.DataValueField = "CustomerID";

			///绑定控件的数据
			CustomerList.DataBind();

			///关闭数据读取器和数据库的连接
			recc.Close();
		}

		private void BindPurQuoteData(int nPurQuoteID)
		{
			///定义获取数据的类
			MisPurchase.Components.PurQuote quote = new MisPurchase.Components.PurQuote();
			SqlDataReader recq = quote.GetSinglePurQuote(nPurQuoteID);

			///从获取的数据中读取数据
			if(recq.Read())
			{				
				Price.Text    = recq["Price"].ToString();
				Remark.Text   = recq["Remark"].ToString();

				///设置列表控件的数据
				MisSystem.SetListBoxItem(CustomerList,recq["CustomerID"].ToString());
				MisSystem.SetListBoxItem(ProductList,recq["ProductID"].ToString());				
			}
			///关闭数据读取器和数据库的连接
			recq.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.DeleteBtn.Click += new System.EventHandler(this.DeleteBtn_Click);
			this.ReturnBtn.Click += new System.EventHandler(this.ReturnBtn_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void ReturnBtn_Click(object sender, System.EventArgs e)
		{
			///跳转到管理页面
			Response.Redirect("~/DesktopModules/PurQuote/PurQuoteManage.aspx");
		}

		private void DeleteBtn_Click(object sender, System.EventArgs e)
		{
			///定义类
			MisPurchase.Components.PurQuote quote = new MisPurchase.Components.PurQuote();
			try
			{
				///删除操作
				quote.DeletePurQuote(nPurQuoteID);
					
				///显示操作结果信息
				Response.Write ("<script>window.alert('" + MisSystem.OPERATIONDELETESUCCESSMESSAGE + "')</script>");
			}
			catch(Exception ex)
			{			
				///显示操作中的失败、错误信息
				Response.Redirect("~/DesktopModules/ErrorPage.aspx?ErrorUrl="
					+ MisSystem.RedirectErrorUrl(Request.RawUrl)
					+ "&ErrorMessage=" + ex.Message.Replace("\n"," "));
			}
		}
	}
}