browserdocument.aspx.cs

来自「精通网络应用系统开发 光盘 该书是人民邮电出版社出版的」· CS 代码 · 共 88 行

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.Linq;
using System.Data;
using System.Collections.Generic;

public partial class BrowserDocument : System.Web.UI.Page
{
	int nDocumentID = -1;
	protected string DocUrl = "";

	private void Page_Load(object sender,System.EventArgs e)
	{
		///判断用户是否登录，否则跳转到登录页面
		if (Session["UserID"] == null)
		{
			///显示操作结果信息
			Response.Write("<script>window.alert('只有登录用户才能够看到该页面，请先登录！')</script>");
			return;			
		}

		if (Request.QueryString["DocumentID"] != null)
		{
			nDocumentID = Int32.Parse(Request.QueryString["DocumentID"]);
		}
		if (!Page.IsPostBack)
		{
			if (nDocumentID > -1)
			{
				///显示文档数据
				BindDocumentData(nDocumentID);
			}
		}
		if (nDocumentID > -1)
		{
			///更新文档浏览的次数和最后浏览人信息
			UpdateDocumentView(nDocumentID, Int32.Parse(Session["UserID"].ToString()));
		}
	}

	private void BindDocumentData(int nDocumentID)
	{
		DocumentM doc = new DocumentM();
		Document recd = doc.GetSingleDocument(nDocumentID);
		if (recd!=null)
		{
			Desn.Text = recd.Desn;
			Body.Text = recd.Body;
			UserName.Text = recd.User.UserName;
			CreateDate.Text = recd.CreateDate.ToString();
			LastViewDate.Text = recd.LastViewDate.ToString();
			LastViewer.Text = recd.LastViewer;
			Author.Text = recd.Author;
			FromSource.Text = recd.FromSource;
			ViewCount.Text = recd.ViewCount.ToString();
			Remark.Text = recd.Remark;

			DocUrl = recd.Url;
		}
	}	

	private void UpdateDocumentView(int nDocumentID,int nUserID)
	{
		///定义类
		DocumentM document = new DocumentM();
		try
		{
			///修改数据
			document.UpdateDocumentView(nDocumentID, nUserID);
		}
		catch (Exception ex)
		{
			///显示修改操作中的失败、错误信息
			Response.Redirect("~/DesktopModules/ErrorPage.aspx?ErrorUrl="
				+ ASPNET35System.RedirectErrorUrl(Request.RawUrl)
				+ "&ErrorMessage=" + ex.Message.Replace("\n", " "));
		}
	}
}