browerdocument.aspx.cs

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

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

public partial class DesktopModules_Document_BrowerDocument : System.Web.UI.Page
{
    int nDocumentID = -1;
    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) { Response.Redirect("~/Default.aspx"); }
        if (Request.QueryString["DocumentID"] != null)
        {
            nDocumentID = Int32.Parse(Request.QueryString["DocumentID"]);
        }
        if (!Page.IsPostBack)
        {
            if (nDocumentID > -1)
            {
                ///显示文档数据和附件数据
                BindDocumentData(nDocumentID);
                BindAttachmentData(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();
        //获取指定ＩＤ的文档对象
        Document recd = doc.GetSingleDocument(nDocumentID);
        if (recd!=null)
        {
            Title.Text = recd.Desn;
            RealName.Text = recd.User.UserName;
            UploadDate.Text = recd.CreateDate.ToString();
            Content.Text = recd.Body.Replace("\n", "<br>");
            LastViewDate.Text = recd.LastViewDate.ToString();
            LastViewer.Text = recd.LastViewer;
            Author.Text = recd.Author;
            FromSource.Text = recd.FromSource;
            ViewCount.Text = recd.ViewCount.ToString();
        }
    }
    private void BindAttachmentData(int nDocumentID)
    { 
        ///获取数据
        AttachmentM attachment = new AttachmentM();
        IList<Attachment> dataTable = attachment.GetAttachmentByDocument(nDocumentID);
        ///绑定附件列表的数据
        AccessoryList.DataSource = dataTable;
        ///添加列表控件的ID域
        string[] dataKeyNames = new string[1];
        dataKeyNames[0] = "AttachmentID";
        AccessoryList.DataKeyNames = dataKeyNames;
        AccessoryList.DataBind();
    }
    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", " "));
        }
    }

}