downloadbargain.aspx.cs

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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;

namespace HTMS.Web.CompanySysMange.Bargain
{
	/// <summary>
	/// DownLoadBargain 的摘要说明。
	/// </summary>
	public class DownLoadBargain : HTMS.Web.CompanySysMange.BasePage
	{
		private string BargainID
		{
			get{return Convert.ToString(this.ViewState["BargainID"]);}
			set{this.ViewState["BargainID"]=value;}
		}

		private void Page_Load(object sender, System.EventArgs e)
		{
			if(!Page.IsPostBack)
			{
				if(!base.CheckUser())
				{
					return;
				}
				if((this.BargainID=Convert.ToString(this.Request.QueryString["BargainID"]))=="")
				{
					Common.Common.ShowMessageBox("没有这样的ID");
					this.Response.Write("<script language='javascript'>window.close();</script>");
					return;
				}
				ShowData();
			}
		}

		private void ShowData()
		{
			System.Data.SqlClient.SqlDataReader myreader=HTMS.SQLServerDAL.DAL.DAI.RunProcReader("Sys_Bargain_GetFileContent",this.BargainID);
			if(myreader==null)
			{return;}
			else
			{
				this.Response.Clear();
				this.Response.Buffer=true;
				this.Response.AppendHeader("content-disposition","attachment;filename="+System.Web.HttpUtility.UrlEncode(myreader["BargainTitle"].ToString()+".xls",System.Text.Encoding.UTF7));
				this.Response.ContentEncoding=System.Text.Encoding.UTF7;
				this.Response.ContentType="application/octet-stream";
				//tempone.Response.WriteFile(FilePath);
				this.Response.BinaryWrite((byte [] )myreader["SysBargainContent"]);
				this.Response.End();	
			}
		}

		#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.Load += new System.EventHandler(this.Page_Load);
		}
		#endregion
	}
}