purproductmanage.aspx.cs

来自「MIS系统开发与应用配套的源代码」· CS 代码 · 共 218 行

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;
using SQLHelper;

namespace MisPurchase.DesktopModules.PurProduct
{
	/// <summary>
	/// PurProductManage 的摘要说明。
	/// </summary>
	public class PurProductManage : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Button SelectBtn;
		protected System.Web.UI.WebControls.ListBox PurOrderList;
		protected System.Web.UI.WebControls.Label PurOrderName;
		protected System.Web.UI.WebControls.DataGrid PurProductList;
		protected System.Web.UI.WebControls.Button AddBtn;
	
		public int nPurOrderID    = -1;
		private static string CurrentPurOrderName = "";
	
		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["PurOrderID"] != null)
			{
				nPurOrderID = Int32.Parse(Request.Params["PurOrderID"].ToString());			
			}
			if(!Page.IsPostBack)
			{
				///绑定控件的数据
				BindPurOrderData();

				///设置员工的选择项
				MisSystem.SetListBoxItem(PurOrderList,nPurOrderID.ToString());

				if(nPurOrderID > -1)
				{   ///显示操作前的信息
					BindPurProductData(nPurOrderID);
					PurOrderName.Text = CurrentPurOrderName;
				}
				else
				{   ///显示当前选择项的信息
					if(PurOrderList.SelectedIndex > -1)
					{
						BindPurProductData(Int32.Parse(PurOrderList.SelectedValue));
						PurOrderName.Text = PurOrderList.SelectedItem.Text;
					}
					else
					{   ///显示第一项的信息
						if(PurOrderList.Items.Count > 0)
						{
							BindPurProductData(Int32.Parse(PurOrderList.Items[0].Value));
							PurOrderName.Text = PurOrderList.Items[0].Text;
							PurOrderList.SelectedIndex = 0;
						}
					}
				}
			}

			///设置添加按钮的可用性
			AddBtn.Enabled = (PurOrderList.Items.Count <= 0) ? false : true;			
		}

		private void BindPurOrderData()
		{
			///定义获取数据的类
			MisPurchase.Components.PurOrder order = new MisPurchase.Components.PurOrder();
			SqlDataReader reco = order.GetPurOrders();

			///设定控件的数据源
			PurOrderList.DataSource = reco;
			
			///设定控件的Text属性和Value属性
			PurOrderList.DataTextField = "OrderName";
			PurOrderList.DataValueField = "PurOrderID";

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

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

		public string FormatString(string oldString)
		{
			return(oldString.Length > 50 ? oldString.Substring(0,50) + "..." : oldString);
		}

		public string FormatFlag(string flagString)
		{
			return(flagString == "0" ? "退货" : "订单");
		}

		public string FormatCheck(string checkString)
		{
			return(checkString == "0" ? "未审核" : "已审核");
		}

		private void BindPurProductData(int nPurOrderID)
		{
			///定义获取数据的类
			MisPurchase.Components.PurProduct product = new MisPurchase.Components.PurProduct();
			SqlDataReader recp = product.GetPurProductByPurOrder(nPurOrderID);

			///创建DataSet数据源
			DataTable dataTable = SystemTools.ConvertDataReaderToDataTable(recp);
			DataSet dataSet = new DataSet("PurProduct");
			dataSet.Tables.Add(dataTable);

			///设定控件的数据源
			PurProductList.DataSource = dataSet;
			///绑定控件的数据
			PurProductList.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.PurOrderList.SelectedIndexChanged += new System.EventHandler(this.PurOrderList_SelectedIndexChanged);
			this.SelectBtn.Click += new System.EventHandler(this.SelectBtn_Click);
			this.PurProductList.PageIndexChanged += new System.Web.UI.WebControls.DataGridPageChangedEventHandler(this.PurProductList_PageIndexChanged);
			this.AddBtn.Click += new System.EventHandler(this.AddBtn_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void SelectBtn_Click(object sender, System.EventArgs e)
		{
			///显示选择的信息
			if(PurOrderList.SelectedIndex > -1)
			{
				///显示信息，并显示名称
				BindPurProductData(Int32.Parse(PurOrderList.SelectedValue));
				PurOrderName.Text = PurOrderList.SelectedItem.Text;
				CurrentPurOrderName = PurOrderList.SelectedItem.Text;
			}
			else
			{
				///显示操作结果信息
				Response.Write ("<script>window.alert('" + MisSystem.OPERATIONNOSELECTMESSAGE + "')</script>");
			}				
		}

		private void PurProductList_PageIndexChanged(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e)
		{			
			///显示选择员工的考评信息
			if(PurOrderList.SelectedIndex > -1)
			{
				///设置新的页码，并重新绑定数据
				PurProductList.CurrentPageIndex = e.NewPageIndex;

				///显示信息，并显示员工的名称
				BindPurProductData(Int32.Parse(PurOrderList.SelectedValue));
				PurOrderName.Text = PurOrderList.SelectedItem.Text;
			}
			else
			{
				///显示操作结果信息
				Response.Write ("<script>window.alert('" + MisSystem.OPERATIONNOSELECTMESSAGE + "')</script>");
			}		
		}

		private void AddBtn_Click(object sender, System.EventArgs e)
		{
			if(PurOrderList.SelectedIndex > -1)
			{
				///跳转到添加页面
				Response.Redirect("~/DesktopModules/PurProduct/AddPurProduct.aspx?PurOrderID="
					+ (PurOrderList.SelectedIndex > -1 ? PurOrderList.SelectedValue : "-1"));
			}
			else
			{
				///显示操作结果信息
				Response.Write ("<script>window.alert('" + MisSystem.OPERATIONNOSELECTMESSAGE + "')</script>");
			}		
		}

		private void PurOrderList_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			SelectBtn_Click(sender,e);
		}
	}
}