statbycontact.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 MisSale.Components;
using SQLHelper;

namespace MisSale.DesktopModules.Statistics
{
	/// <summary>
	/// StatByContact 的摘要说明。
	/// </summary>
	public class StatByContact : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.DropDownList ContactList;
		protected System.Web.UI.WebControls.DataGrid ProductList;
		protected System.Web.UI.WebControls.Button ReturnBtn;
	
		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(!Page.IsPostBack)
			{
				///显示商品信息
				BindContactData();
				if(ContactList.Items.Count > 0)
				{
					///显示商品的销售信息
					BindProductData(Int32.Parse(ContactList.SelectedValue));
				}
			}
		}

		private void BindContactData()
		{
			///定义获取数据的类
			MisSale.Components.Contact contact = new MisSale.Components.Contact();
			SqlDataReader recc = contact.GetContacts();

			///设定控件的数据源
			ContactList.DataSource = recc;
			
			///设定控件的Text属性和Value属性
			ContactList.DataTextField = "Name";
			ContactList.DataValueField = "ContactID";

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

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

		private void BindProductData(int nContactID)
		{
			///定义获取数据的类
			MisSale.Components.Product product = new MisSale.Components.Product();
			SqlDataReader recp = product.GetProductByContact(nContactID);

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

			///设定控件的数据源
			ProductList.DataSource = dataSet;

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

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

		public string FormatDate(string dateString)
		{
			return(Convert.ToDateTime(dateString).ToShortDateString());
		}

		private void ContactList_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			if(ContactList.SelectedIndex > -1)
			{
				///显示商品的销售信息
				BindProductData(Int32.Parse(ContactList.SelectedValue));
			}
			else
			{
				///清空销售列表的旧数据
				ProductList.DataSource = null;
				ProductList.DataBind();
			}
		}

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

		private void ProductList_PageIndexChanged(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e)
		{
			if(ContactList.SelectedIndex > -1)
			{
				///设置新的页码，并重新绑定数据
				ProductList.CurrentPageIndex = e.NewPageIndex;
				BindProductData(Int32.Parse(ContactList.SelectedValue));
			}
			else
			{
				///清空销售列表的旧数据
				ProductList.DataSource = null;
				ProductList.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.ContactList.SelectedIndexChanged += new System.EventHandler(this.ContactList_SelectedIndexChanged);
			this.ProductList.PageIndexChanged += new System.Web.UI.WebControls.DataGridPageChangedEventHandler(this.ProductList_PageIndexChanged);
			this.ReturnBtn.Click += new System.EventHandler(this.ReturnBtn_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion
	}
}