currentpage.cs

这是一个简单的论坛程序源码

using System;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;

namespace NetFocus.Web.Applications.Forum 
{
    public class CurrentPage : Label 
    {
        protected override void Render(HtmlTextWriter writer) {

			Control skin = (Control) this.Parent;
			Panel displayPager = (Panel) skin.FindControl("DisplayPager");

            // Do we have data?
            //
			if (TotalPages <= 1)
				return;

			if (displayPager != null)
				displayPager.Visible = true;

			this.Text = String.Format(TextFormat, PageIndex, TotalPages.ToString("n0"), TotalRecords.ToString("n0") );

			base.Render(writer);

        }

		public string TextFormat {
            get {
                Object state = ViewState[ "TextFormat" ];
				if ( state != null ) {
					return (String)state;
				}
				return Resources.GetString("Utility_CurrentPage_text");
            }
            set {
                ViewState[ "TextFormat" ] = value;
            }
        }

        public int PageIndex {
            get {
                int pageIndex = Convert.ToInt32(ViewState["PageIndex"]);

                if (pageIndex == 0)
                    return 1;

                return pageIndex;
            }
            set {
                ViewState["PageIndex"] = value + 1;
            }
        }

        public int TotalPages {
            get {
                int totalPages = Convert.ToInt32(ViewState["TotalPages"]);

                if (totalPages == 0)
                    return 1;

                return totalPages;
            }
            set {
                ViewState["TotalPages"] = value;
            }
        }

        public int TotalRecords {
            get {
                return Convert.ToInt32(ViewState["TotalRecords"]);
            }
            set {
                ViewState["TotalRecords"] = value;
            }
        }

    }
}