pollresults.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;

namespace ASPNET.StarterKit.Communities.Admin.EditVoting
{
	/// <summary>
	/// Summary description for PollResults.
	/// </summary>
	public class PollResults : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Panel ResultsPanel;


		#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


		System.Drawing.Color barBackColor = System.Drawing.Color.LightGray;
		System.Drawing.Color barForeColor = System.Drawing.Color.Blue;
		int totalVotes=0;
	    
		//*******************************************************
		//
		// When page loads display the current results
		// for a voting poll.
		//
		//*******************************************************
	    
		void Page_Load(Object s, EventArgs e) {
			if (Request["Poll_ID"]==null) {
				Response.Redirect("Default.aspx");
			}
			int Poll_ID = Int32.Parse(Request["Poll_ID"]);
			PollDetails polldetails = VotingUtility.GetPollForWebBox(Poll_ID);
			Table t = new Table();
			TableRow questionRow = new TableRow();
			TableRow resultsRow = new TableRow();
			TableRow footerRow = new TableRow();
			TableCell questionCell = new TableCell();
			TableCell resultsCell = new TableCell();
			TableCell footer = new TableCell();
	    
			// Format the table
			//
			t.BorderWidth = 0;
	    
			// Question
			//
			questionCell.Text = polldetails.Question;
			questionCell.Attributes.Add("style","font-weight:bold;");
			questionCell.ColumnSpan = 3;
	    
			// Add the question cell/row to the table
			//
			questionRow.Cells.Add(questionCell);
			t.Rows.Add(questionRow);
	    
	//        if (polldetails.DisplayResultsToPublic) {
				Hashtable pollresults = VotingUtility.GetPollResults(polldetails.Poll_ID);
	    
				// Calculate the sum
				//
				int sum=0;
	    
				foreach (int key in pollresults.Keys)
					sum = sum + (int)pollresults[key];
	    
				// Calculate percentage
				//
				foreach (int key in pollresults.Keys) {
					// Internal variables/instances
					//
					double d = 0;
					TableRow row = new TableRow();
					TableCell progressCell = new TableCell();
					TableCell percentageCell = new TableCell();
					TableCell choiceCell = new TableCell();
					ProgressBar bar = new ProgressBar();
	    
					// Percentage for this poll value
					//
					d = ((double)((int)pollresults[key]) / (double)sum) * 100;
	    
					// Display the choice in cell and format
					//
					choiceCell.Text = ((ChoiceInfo)polldetails.Choices[key]).Choice + ": ";
					choiceCell.VerticalAlign = VerticalAlign.Top;
					choiceCell.Wrap = false;
	    
					// Set properties for each bar
					//
					bar.PercentageOfProgress = (int)d;
					bar.BackColor = barBackColor;
					bar.ForeColor = barForeColor;
	    
					// Add the bar and set properties of the cell
					//
					progressCell.Controls.Add(bar);
					progressCell.HorizontalAlign = HorizontalAlign.Right;
					progressCell.VerticalAlign = VerticalAlign.Top;
					progressCell.Width = 100;
	    
					// Special case 0
					//
					if ((double.IsNaN(d)) || (0 == d))
						percentageCell.Text = "(0%)";
					else
						percentageCell.Text = "(" + d.ToString("##.#") + "%) (" + (int)pollresults[key] + " votes)";
	    
					// Format percentage cell
					//
					percentageCell.HorizontalAlign = HorizontalAlign.Left;
					percentageCell.VerticalAlign = VerticalAlign.Top;
	    
					// Add the cells to the row
					//
					row.Cells.Add(choiceCell);
					row.Cells.Add(progressCell);
					row.Cells.Add(percentageCell);
	    
					// Add the row to the table
					//
					t.Rows.Add(row);
					// Update total votes
					totalVotes+=(int)pollresults[key];
	//            }
			}
	    
			// Add results cell/row to table
			//
			resultsRow.Cells.Add(resultsCell);
			t.Rows.Add(resultsRow);
			// Display Total Votes
			TableRow totalRow = new TableRow();
			TableCell totalCell = new TableCell();
			totalCell.Text="Total Votes: " + totalVotes;
			totalRow.Cells.Add(totalCell);
			t.Rows.Add(totalRow);
	    
			ResultsPanel.Controls.Add(t);
		}



	}
}