1. Captcha Control by Salman Mushtaq
Web.config
<?xml version="1.0"?>
<!--
For more information on how to configure your ASP.NET application, please visit
http://go.microsoft.com/fwlink/?LinkId=169433
-->
<configuration>
<connectionStrings>
<add name="Practice" connectionString="Data Source=.;Initial
Catalog=Practice;Integrated Security=True"/>
</connectionStrings>
<system.web>
<compilation debug="true" targetFramework="4.5.1" />
<httpRuntime targetFramework="4.5.1" />
</system.web>
</configuration>
Mainform.aspx.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using Recaptcha;
namespace ReCaptchaExample
{
public partial class MainForm : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
lblInsertMessage.Visible = false;
}
protected void btnInsert_Click(object sender, EventArgs e)
{
if (Page.IsValid)
{
string name = txtName.Text.ToString();
CaptchaDataContext dbContext = new CaptchaDataContext();
Captcha cap = new Captcha();
cap.Name = name;
dbContext.Captchas.InsertOnSubmit(cap);
dbContext.SubmitChanges();
lblInsertMessage.Visible = true;
lblInsertMessage.Text = "Data Successfully entered";
}
else
2. {
lblInsertMessage.Visible = true;
lblInsertMessage.Text = "Invalid Captcha... Please re-enter.";
}
}
}
}
MainForm.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="MainForm.aspx.cs"
Inherits="ReCaptchaExample.MainForm" %>
<%@ Register TagPrefix="recaptcha" Namespace="Recaptcha" Assembly="Recaptcha" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="MainForm" runat="server">
<div>
<asp:Table runat="server">
<asp:TableRow runat="server">
<asp:TableCell runat="server"><asp:Label runat="server"
Text="Name:"></asp:Label></asp:TableCell>
<asp:TableCell runat="server"><asp:TextBox runat="server"
ID="txtName"></asp:TextBox></asp:TableCell>
</asp:TableRow>
<asp:TableRow runat="server">
<asp:TableCell runat="server">
<recaptcha:RecaptchaControl ID="recaptcha" runat="server"
PublicKey="Here you enter your public key which you find on Google
Recaptcha API’S"
PrivateKey="Here you enter your private key" />
</asp:TableCell>
</asp:TableRow>
<asp:TableRow runat="server">
<asp:TableCell runat="server"><asp:Button runat="server" ID="btnInsert"
OnClick="btnInsert_Click" Text="Insert Data" /></asp:TableCell>
<asp:TableCell runat="server"><asp:Label runat="server" ID="lblInsertMessage"
Text=""></asp:Label></asp:TableCell>
</asp:TableRow>
</asp:Table>
</div>
</form>
</body>
</html>
