productalarm.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 MisStock.Components;
using SQLHelper;

namespace MisStock.DesktopModules.Product
{
	/// <summary>
	/// ProductAlarm 的摘要说明。
	/// </summary>
	public class ProductAlarm : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Button ReturnBtn;
		protected System.Web.UI.WebControls.Button LowerBtn;
		protected System.Web.UI.WebControls.Button UpperBtn;
		protected System.Web.UI.WebControls.DataGrid ProductList;
	
		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)
			{				
				///绑定控件的数据
				BindProductData();

				///设置按钮的可用性
				LowerBtn.Enabled = UpperBtn.Enabled = ProductList.Items.Count <= 0 ? false : true;
			}
		}

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

			///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);
		}

		private void ProductAlarmBtn_Command(object sender, System.Web.UI.WebControls.CommandEventArgs e)
		{
			///定义类
			MisStock.Components.Product product = new MisStock.Components.Product();
			try
			{    ///获取每一行数据
				foreach(DataGridItem item in ProductList.Items)
				{   ///获取每一行的选择控件
					CheckBox checkBtn = (CheckBox)item.FindControl("SelectProduct");
					if(checkBtn != null)
					{
						if(checkBtn.Checked == true)
						{						
							///设置商品数量的报警
							product.UpdateProductAlarm(Int32.Parse(ProductList.DataKeys[item.ItemIndex].ToString()),
								Int32.Parse(e.CommandArgument.ToString()));
						}
					}
				}
				///显示操作结果信息
				Response.Write ("<script>window.alert('" + MisSystem.OPERATIONUPDATESUCCESSMESSAGE + "')</script>");			
			}
			catch(Exception ex)
			{			
				///显示修改操作中的失败、错误信息
				Response.Redirect("~/DesktopModules/ErrorPage.aspx?ErrorUrl="
					+ MisSystem.RedirectErrorUrl(Request.RawUrl)
					+ "&ErrorMessage=" + ex.Message.Replace("\n"," "));
			}
			///绑定控件的数据
			BindProductData();
		}

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

		private void ProductList_PageIndexChanged(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e)
		{
			///设置新的页码，并重新绑定数据
			ProductList.CurrentPageIndex = e.NewPageIndex;
			BindProductData();
			///设置按钮的可用性
			LowerBtn.Enabled = UpperBtn.Enabled = ProductList.Items.Count <= 0 ? false : true;
		}

		#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.LowerBtn.Command += new System.Web.UI.WebControls.CommandEventHandler(this.ProductAlarmBtn_Command);
			this.UpperBtn.Command += new System.Web.UI.WebControls.CommandEventHandler(this.ProductAlarmBtn_Command);
			this.ReturnBtn.Click += new System.EventHandler(this.ReturnBtn_Click);
			this.ProductList.PageIndexChanged += new System.Web.UI.WebControls.DataGridPageChangedEventHandler(this.ProductList_PageIndexChanged);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion
	}
}