sending.aspx.cs

一个ASP.NET下的中文内容管理和社区系统

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;



namespace ASPNET.StarterKit.Communities.Admin.SendNewsletter
{
	/// <summary>
	/// Summary description for Sending.
	/// </summary>
	public class Sending : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Literal ltlRefresh;
		protected System.Web.UI.WebControls.Image imgProgress;
		protected System.Web.UI.WebControls.Label lblStatus;
		protected System.Web.UI.WebControls.Panel pnlDone;


		#region Web Form Designer generated code
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: This call is required by the ASP.NET Web Form Designer.
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{    
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion


		//*******************************************************
		//
		// Display current send progress by retrieving total
		// number of emails sent and total number of emails
		// to send from the database. This page uses the
		// META-REFRESH tag to automatically reload every
		// few seconds to update the progress information.
		//
		//*******************************************************
	    
		void Page_Load(object sender, System.EventArgs e) {
			// Get newsletterID
			if (Request.QueryString["id"] == null)
				Response.Redirect("Default.aspx");
			int newsletterID = Int32.Parse(Request.QueryString["id"]);
	    
	    
			// Get current status
			SqlDataReader dr = EmailUtility.GetNewsletterStatus(newsletterID);
			if (!dr.Read())
				Response.Redirect("Default.aspx");
			double sentCount = (int)dr["newsletter_sentCount"];
			double newslettersToSend = (int)dr["newsletter_toSendCount"];
			dr.Close();
	    
			// if none to be send, abort
			if (newslettersToSend == 0)
				Response.Redirect("Default.aspx");
	    
			// Update progress bar
			if (sentCount > 0) {
				Random objRan = new Random();
				imgProgress.Width = (int)((300D / newslettersToSend) * sentCount );
				imgProgress.ImageUrl = String.Format("Progress.gif?{0}", objRan.Next(1000));
			}
	    
			lblStatus.Text = String.Format("Sending newsletter {0} of {1}", sentCount, newslettersToSend);
	    
			// Check if done
			if (sentCount >= newslettersToSend)
				pnlDone.Visible = true;
			else
				ltlRefresh.Text = String.Format("<meta http-equiv=\"refresh\" content=\"5; url=Sending.aspx?id={0}\">", newsletterID);
		}

		private void Page_Load()
		{
		
		}




	}
}