statbydiscount.aspx.cs

固定管理是办公自动化的一部分。本系统包括固定资产信息管理

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 MisAsset.Components;
using System.Data.SqlClient;
using SQLHelper;

namespace MisAsset.DesktopModules.Statistics
{
	/// <summary>
	/// StatByRatio 的摘要说明。
	/// </summary>
	public class StatByDiscount : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.DataGrid AssetList;
		protected System.Web.UI.WebControls.DropDownList RatioList;
		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)
			{
				///显示折旧率信息
				BindRatioData();
				if(RatioList.Items.Count > 0)
				{
					///显示折旧率的资产信息
					BindAssetData(Int32.Parse(RatioList.SelectedValue));
				}
			}
		}

		private void BindRatioData()
		{
			///定义获取数据的类
			MisAsset.Components.Asset asset = new MisAsset.Components.Asset();
			SqlDataReader reca = asset.GetRatioFromAsset();

			///设定控件的数据源
			RatioList.DataSource = reca;
			
			///设定控件的Text属性和Value属性
			RatioList.DataTextField = "Ratio";
			RatioList.DataValueField = "Ratio";

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

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

		private void BindAssetData(int nRatio)
		{
			///定义获取数据的类
			MisAsset.Components.Asset asset = new MisAsset.Components.Asset();
			SqlDataReader reca = asset.GetAssetByRatio(nRatio);

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

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

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

		public string FormatFlag(string flagString)
		{
			switch(flagString)
			{
				case "0":
					return("添加");
				case "1":
					return("审核");
				case "2":
					return("分配");
				case "3":
					return("归还");
				case "4":
					return("维修");
				case "5":
					return("变更");
				default:
					return("状态错误");
			}
		}

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

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

		public string FormatDiscount(string originalPrice,string usedYear,string discount)
		{
			if(discount == "1")
			{
				///预计使用年限
				int year = Int32.Parse(usedYear);
				///原始价值
				Decimal originalPriceValue = Convert.ToDecimal(originalPrice);

				///折旧率
				Decimal ratio = Decimal.Parse(RatioList.SelectedValue);
				///计算折旧的价值
				Decimal discountValue = originalPriceValue * ratio * year / 1000;
				return(discountValue.ToString().Substring(0,discountValue.ToString().Length > 10 ? 10 : discountValue.ToString().Length));
			}
			///表示还没有折旧
			return("0.0");
		}

		private void RatioList_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			if(RatioList.SelectedIndex > -1)
			{
				///显示折旧率的资产信息
				BindAssetData(Int32.Parse(RatioList.SelectedValue));
			}
			else
			{
				///清空资产列表的旧数据
				AssetList.DataSource = null;
				AssetList.DataBind();
			}
		}

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

		private void AssetList_PageIndexChanged(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e)
		{
			if(RatioList.SelectedIndex > -1)
			{
				///设置新的页码，并重新绑定数据
				AssetList.CurrentPageIndex = e.NewPageIndex;
				BindAssetData(Int32.Parse(RatioList.SelectedValue));
			}
			else
			{
				///清空资产列表的旧数据
				AssetList.DataSource = null;
				AssetList.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.RatioList.SelectedIndexChanged += new System.EventHandler(this.RatioList_SelectedIndexChanged);
			this.AssetList.PageIndexChanged += new System.Web.UI.WebControls.DataGridPageChangedEventHandler(this.AssetList_PageIndexChanged);
			this.ReturnBtn.Click += new System.EventHandler(this.ReturnBtn_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion
	}
}