userlist.cs

微软的.NET论坛的源代码（COOL!!!）

using System;
using System.Drawing;
using System.Collections;
using System.Collections.Specialized;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using AspNetForums;
using AspNetForums.Components;
using System.ComponentModel;
using System.IO;
using AspNetForums.Controls.BaseClasses;

namespace AspNetForums.Controls {


    // *********************************************************************
    //  AllUsers
    //
    /// <summary>
    /// This control extends DataList to provide a custom rendering and build in
    /// style/skin templates for ASP.NET Forums
    /// </summary>
    // ***********************************************************************/
    public class UserList : ForumDataListControl {

        int userCount = 1;
        bool userCountIsAscending = true;

        // *********************************************************************
        //  RenderHeaderTempalte
        //
        /// <summary>
        /// Renders each the header using a default template
        /// </summary>
        /// 
        // ********************************************************************/
        private Control RenderHeaderTemplate() {
            Table table;
            TableRow tr;
            TableHeaderCell th;

            table = new Table();
            tr = new TableRow();

            // Column - # of users
            th = new TableHeaderCell();
            th.CssClass = "tableHeaderText";
            th.HorizontalAlign = HorizontalAlign.Left;
            th.Text = "&nbsp;#&nbsp;";
            tr.Controls.Add(th);

            // Column - Username
            th = new TableHeaderCell();
            th.CssClass = "tableHeaderText";
            th.Text = "&nbsp;Username&nbsp;";
            th.HorizontalAlign = HorizontalAlign.Left;
            tr.Controls.Add(th);
            
            // Column - Website
            th = new TableHeaderCell();
            th.CssClass = "tableHeaderText";
            th.Text = "&nbsp;Website&nbsp;";
            th.HorizontalAlign = HorizontalAlign.Left;
            tr.Controls.Add(th);

            // Column - Location
            th = new TableHeaderCell();
            th.CssClass = "tableHeaderText";
            th.Text = "&nbsp;Location&nbsp;";
            th.HorizontalAlign = HorizontalAlign.Left;
            tr.Controls.Add(th);

            // Column - Joined
            th = new TableHeaderCell();
            th.CssClass = "tableHeaderText";
            th.Text = "&nbsp;Joined&nbsp;";
            th.HorizontalAlign = HorizontalAlign.Left;
            tr.Controls.Add(th);

            // Column - Last Active
            th = new TableHeaderCell();
            th.CssClass = "tableHeaderText";
            th.Text = "&nbsp;Last Active&nbsp;";
            th.HorizontalAlign = HorizontalAlign.Left;
            tr.Controls.Add(th);

            // Column - Total Posts
            th = new TableHeaderCell();
            th.CssClass = "tableHeaderText";
            th.Text = "&nbsp;Posts&nbsp;";
            th.HorizontalAlign = HorizontalAlign.Left;
            tr.Controls.Add(th);

            table.Controls.Add(tr);

            return table;
        }

        // *********************************************************************
        //  RenderItemTempalte
        //
        /// <summary>
        /// Renders each item using a default template
        /// </summary>
        /// 
        // ********************************************************************/
        private Control RenderItemTemplate() {

            Table table;
            TableRow tr;
            TableCell td;
            Label label;
            HyperLink link;

            // Create a new table
            table = new Table();

            // Create a new table row
            tr = new TableRow();

            // Column - User Count
            td = new TableCell();
            td.Width = 25;
            td.HorizontalAlign = HorizontalAlign.Center;
            td.VerticalAlign = VerticalAlign.Middle;
            td.CssClass = "forumRow";
            label = new Label();
            label.CssClass = "normalTextSmallBold";
            label.DataBinding += new System.EventHandler(HandleDataBindingForUserCount);
            td.Controls.Add(label);
            tr.Controls.Add(td);

            // Column - Username
            td = new TableCell();
            td.CssClass = "forumRow";
            link = new HyperLink();
            link.CssClass = "linkSmallBold";
            link.DataBinding += new System.EventHandler(HandleDatabindingForUsername);
            td.Controls.Add(link);
            tr.Controls.Add(td);

            // Column - Web site
            td = new TableCell();
            td.CssClass = "forumRowHighlight";
            td.HorizontalAlign = HorizontalAlign.Left;
            link = new HyperLink();
            link.CssClass = "linkSmallBold";
            link.Target = "_blank";
            link.DataBinding += new System.EventHandler(HandleDatabindingForWebsite);
            td.Controls.Add(link);
            tr.Controls.Add(td);

            // Column - Location
            td = new TableCell();
            td.CssClass = "forumRowHighlight";
            td.HorizontalAlign = HorizontalAlign.Left;
            label = new Label();
            label.CssClass = "normalTextSmall";
            label.DataBinding += new System.EventHandler(HandleDatabindingForLocation);
            td.Controls.Add(label);
            tr.Controls.Add(td);

            // Column - Date Joined
            td = new TableCell();
            td.CssClass = "forumRowHighlight";
            td.HorizontalAlign = HorizontalAlign.Left;
            label = new Label();
            label.CssClass = "normalTextSmall";
            label.DataBinding += new System.EventHandler(HandleDatabindingForDateJoined);
            td.Controls.Add(label);
            tr.Controls.Add(td);

            // Column - Last Active
            td = new TableCell();
            td.CssClass = "forumRowHighlight";
            td.HorizontalAlign = HorizontalAlign.Left;
            label = new Label();
            label.CssClass = "normalTextSmall";
            label.DataBinding += new System.EventHandler(HandleDatabindingForLastActivtyDate);
            td.Controls.Add(label);
            tr.Controls.Add(td);

            // Column - Total posts
            td = new TableCell();
            td.CssClass = "forumRowHighlight";
            td.HorizontalAlign = HorizontalAlign.Left;
            link = new HyperLink();
            link.CssClass = "linkSmallBold";
            link.DataBinding += new System.EventHandler(HandleDatabindingForTotalPosts);
            td.Controls.Add(link);
            tr.Controls.Add(td);

            table.Controls.Add(tr);

            return table;
        }

        // *********************************************************************
        //  RenderFooterTempalte
        //
        /// <summary>
        /// Renders each the footer using a default template
        /// </summary>
        /// 
        // ********************************************************************/
        private Control RenderFooterTemplate() {
            Table table;
            TableRow tr;
            TableCell td;

            table = new Table();
            tr = new TableRow();

            // Single column
            td = new TableCell();
            td.CssClass = "forumHeaderBackgroundAlternate";
            td.ColumnSpan = 8;
            tr.Controls.Add(td);

            table.Controls.Add(tr);

            return table;
        }

        // *********************************************************************