1using System;
2using System.Collections;
3using System.ComponentModel;
4using System.Data;
5using System.Drawing;
6using System.Web;
7using System.Web.SessionState;
8using System.Web.UI;
9using System.Web.UI.WebControls;
10using System.Web.UI.HtmlControls;
11
12namespace Captcha
13{
14	public class Default : System.Web.UI.Page
15	{
16		#region Web Form Designer generated code   ...
17
18		protected System.Web.UI.WebControls.TextBox txtEntry;
19		protected System.Web.UI.WebControls.Button cmdValidate;
20		protected System.Web.UI.WebControls.Button cmdAnother;
21		protected System.Web.UI.WebControls.Label lblMessage;
22
23		override protected void OnInit(EventArgs e)
24		{
25			InitializeComponent();
26			base.OnInit(e);
27		}
28		
29		private void InitializeComponent()
30		{    
31			this.cmdValidate.Click += new System.EventHandler(this.cmdValidate_Click);
32			this.cmdAnother.Click += new System.EventHandler(this.cmdAnother_Click);
33			this.Load += new System.EventHandler(this.Page_Load);
34
35		}
36		#endregion
37
38		private void Page_Load(object sender, System.EventArgs e)
39		{
40			lblMessage.Text = "";
41		}
42
43		private void cmdValidate_Click(object sender, System.EventArgs e)
44		{
45			if (txtEntry.Text == Session["CaptchaText"].ToString())
46				lblMessage.Text = "Correct";
47			else
48				lblMessage.Text = "Incorrect (case sensitive)";
49			txtEntry.Text = "";
50		}
51
52		private void cmdAnother_Click(object sender, System.EventArgs e)
53		{
54			txtEntry.Text = "";
55		}
56	}
57}