C#编程

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Candidate.cs：源码内容

							using System;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.ComponentModel;
namespace PCSCustomWebControls
{
   public class Candidate : System.Web.UI.WebControls.WebControl,
      INamingContainer
   {
      public string Name
      {
         get
         {
            object rawName = ViewState["_name"];
            if (rawName != null)
            {
               return (string)rawName;
            }
            else
            {
               ViewState["_name"] = "Candidate";
               return "Candidate";
            }
         }
         set
         {
            ViewState["_name"] = value;
         }
      }
      public long Votes
      {
         get
         {
            object rawVotes = ViewState["_votes"];
            if (rawVotes != null)
            {
               return (long)rawVotes;
            }
            else
            {
               ViewState["_votes"] = (long)0;
               return 0;
            }   
         }
         set
         {
            ViewState["_votes"] = value;
         }
      }
      public void Increment()
      {
         Votes += 1;
      }
      public void Reset()
      {
         Votes = 0;
      }
      protected override void CreateChildControls()
      {
         Button btnVote = new Button();
         btnVote.Text = "Vote";
         btnVote.Click += new System.EventHandler(btnVote_Click);
         Controls.Add(btnVote);
         base.CreateChildControls();
      }
      protected void btnVote_Click(object sender, System.EventArgs e)
      {
         Increment();
         StrawPoll parent = (StrawPoll)Parent;
         if (parent.PollStyle == pollStyle.voteonly)
         {
            parent.PollStyle = pollStyle.valuesonly;
         }
         CandidateEventArgs eCandidate = new CandidateEventArgs(this);
         parent.ChildVote(eCandidate);
      }
   }
}

						