itemdownloadfilesize.cs

一个ASP.NET下的中文内容管理和社区系统

namespace ASPNET.StarterKit.Communities {
    using System;
    using System.Web;
    using System.Web.UI;
    using System.Web.UI.WebControls;
    using System.ComponentModel;
	using ASPNET.StarterKit.Communities.Downloads;



    //*********************************************************************
    //
    // ItemDownloadFileSize Class
    //
    // Represents a file size displayed in a template
    //
    //*********************************************************************

	public class ItemDownloadFileSize : WebControl {

        private string _numberFormatString = "{0:n0} bytes";


		public ItemDownloadFileSize() {
			CssClass = "itemDownloadFileSize";
			EnableViewState = false;
		}

        public string NumberFormatString {
            get {return _numberFormatString;}
            set {_numberFormatString = value;}
        }


        override protected void OnDataBinding(EventArgs e) {
            ContentItem item;

            if (NamingContainer is ContentItem)
                item = (ContentItem)NamingContainer;
            else
                item = (ContentItem)NamingContainer.NamingContainer;


            DownloadInfo objDownloadInfo = (DownloadInfo)item.DataItem;
            ViewState["FileSize"] = objDownloadInfo.FileSize;
        }


        override protected void RenderContents(HtmlTextWriter writer) {
            writer.Write(String.Format(_numberFormatString, ViewState["FileSize"]));    
        }


    }
}