MSCaptcha in Asp.net

MSCaptcha in Asp.net

Step 1: Design web form .aspx page

<cc1:CaptchaControl ID="Captcha1" runat="server" CaptchaBackgroundNoise="Low" CaptchaLength="6"

            CaptchaHeight="80" CaptchaWidth="350" CaptchaLineNoise="None" CaptchaMinTimeout="5"

            CaptchaMaxTimeout="240" FontColor="CadetBlue" />

    </div>

    <asp:TextBox ID="txtCaptcha" runat="server" Width="350px"></asp:TextBox>

    <br />

    <asp:Button ID="btn" runat="server" Text="Check" OnClick="btn_Click" BackColor="YellowGreen" />

    <asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server" ErrorMessage="*Required"

        ControlToValidate="txtCaptcha"></asp:RequiredFieldValidator>

    <br />

    <br />

    <asp:Label ID="lblmsg" runat="server" Font-Names="Arial" Text=""></asp:Label>

 Step 2:Logic on .CS page

    protected void btn_Click(object sender, EventArgs e)

    {

        Captcha1.ValidateCaptcha(txtCaptcha.Text.Trim());

        if (Captcha1.UserValidated)

        {

            lblmsg.ForeColor = System.Drawing.Color.Green;

            lblmsg.Text = "Sucess";

        }

        else

        {

            lblmsg.ForeColor = System.Drawing.Color.Red;

            lblmsg.Text = "Fail";

        }

    }

It will look like