asp+的论坛列表程序---代码部分    

--------------------------------------------------------------------------------
【bigeagle】 于 2000-11-13 15:38:57 加贴在 Joy ASP ↑：

///////////////////////////////////////////////////////////////////////////////
//
// File name:         forum.cs
//
// Description:       forum.aspx的后台代码
//
// date:              2000/10/13
//
// Programming:       Bigeagle
//
// History:           version 1.0
//                    start at 2000/10/13 16:45  finish
//
////////////////////////////////////////////////////////////////////////////////



using System;
using System.Collections ;
using System.Data;
using System.Data.SQL;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Drawing ;

public class Forum : Page
{
  

  //public Image imgIfNew ;
  public Label lblForumName ;
  public HyperLink linkMaster ;
  public Label lblForumName1 ;
  public ImageButton btnPostNew ;
  public ImageButton btnPostNew1 ;
  public Label lblTopicCounts ;
  public Label lblTopicCounts1 ;
  public Label lblPerPage ;
  public Label lblPosition ;
  public HtmlImage imgOICQ ;
  public HyperLink linkFirstPage ;
  public HyperLink linkPrevPage ;
  public HyperLink linkNextPage ;
  public HyperLink linkLastPage ;
  public HyperLink linkFirstPage1 ;
  public HyperLink linkPrevPage1 ;
  public HyperLink linkNextPage1 ;
  public HyperLink linkLastPage1 ;
  public DropDownList selChangeForum ;       //转换版面下拉框
  
  public Table tblTopic ;
  
  public void Page_Load(Object sender , EventArgs e)
    {
      Int32 intForumID = new Int32();
      Int32 intPageNo  = new Int32() ;      
      int intPageSize  = 20 ;
      int intPageCount = 0 ;
      int intTopicCounts = 0 ;
     
     
     //--edit by bigeagle 2000/10/25------------------
     // if (Session["LoginID"] == null )
     //   {
     //       Response.Redirect("login.aspx") ;
     //   }
     //-----------------------------------------------
     
      //接收论坛ID
      try
        {
          intForumID = Request.QueryString["ID"].ToInt32() ;
        
        }
      catch(Exception exp)
        {
          Response.Write(exp.ToString()) ;
        }  
      
      GetForumInfo(intForumID) ;
      
      //接收页号
      try
        {
          intPageNo = Request.QueryString["PageNo"].ToInt32() ;
        
        }
      catch(Exception exp)
        {
          intPageNo = 1 ;
        }  
      
      //规范页号，页数
      intTopicCounts = lblTopicCounts1.Text.ToInt32() ;
      if (intTopicCounts <= intPageSize)
        {
          intPageCount = 1 ;
        }
      else if (intTopicCounts / intPageSize == 0)
        {
          intPageCount = intTopicCounts / intPageSize ;
        }
      else
        {
          intPageCount = (int)(intTopicCounts / intPageSize) + 1 ;   
        }
      
      if (intPageNo < 1)
        {
          intPageNo = 1 ;
        }
      else if (intPageNo > intPageCount)
        {
          intPageNo = intPageCount ;
        }         
        
      //初始化页面显示
      lblTopicCounts.Text      = intTopicCounts.ToString() ;
      lblTopicCounts.ForeColor = Color.Green ;
      lblPerPage.Text          = intPageSize.ToString() ;
      lblPerPage.ForeColor     = Color.Green ;
      lblPosition.Text         = intPageNo.ToString() + "/" + intPageCount.ToString() ;
      lblPosition.ForeColor    = Color.Green ;
      
      
      //更新导航栏
      
      //首页
      if (intPageNo != 1)
        {
          linkFirstPage.NavigateUrl = "forum.aspx?" + "ID=" + intForumID.ToString() ;
          linkFirstPage.ToolTip     = "回到首页" ;
          linkFirstPage1.NavigateUrl = "forum.aspx?" + "ID=" + intForumID.ToString() ;
          linkFirstPage1.ToolTip     = "回到首页" ;
        }
      else
        {
          linkFirstPage.ToolTip     = "你现在就在首页。" ;
          linkFirstPage1.ToolTip     = "你现在就在首页。" ;
        }     
                                          
     //前页
     if (intPageNo > 1 )
        {
          linkPrevPage.NavigateUrl = "forum.aspx?" + "ID=" + intForumID.ToString()
                                    + "&PageNo=" + (intPageNo - 1).ToString() ;
          linkPrevPage.ToolTip     = "回到上一页。" ;
          linkPrevPage1.NavigateUrl = "forum.aspx?" + "ID=" + intForumID.ToString()
                             

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