ASP.NET 3.5 and above only

Obout.Ajax.UI Controls - Captcha - First Look

Generate a new image

Text Settings:
Text Length:
Font Family:
Foreground Color:
Background Color:
Brush Filler Color:
Text Brush:
Background Brush:
Image Noise:
Line Noise Level:
Background Noise Level:
Font Warp Level:
Image Border:

The sourse code of this example you can find in the downloaded Suite. See the file Captcha/cs_FirstLook.aspx or Captcha/vb_FirstLook.aspx.
<%@ Register Assembly="Obout.Ajax.UI" Namespace="Obout.Ajax.UI.Captcha" TagPrefix="obout" %>
<a href="javascript: $find('<%= Captcha1.ClientID %>').getNewImage();">Generate a new image</a><br />
<obout:CaptchaImage ID="Captcha1" runat="server" RelativeImageUrl="false" /><br /><
<obout:OboutTextBox runat="server" ID="CaptchaIn" Width="200" WatermarkText="Type the code from the image"
       FolderStyle="../interface/styles/black_glass/OboutTextBox" /><br />
<obout:CaptchaValidator runat="server" ValidationGroup="SubmitInfo" ControlToValidate="CaptchaIn"
       CaptchaImageID="Captcha1" ErrorMessage="The code you entered is not valid." Display="Static">
<asp:Button runat="server" Text="Test the entered text" ValidationGroup="SubmitInfo" OnClick="Submit1_click" />

"It is amazing how you guys have the tools that suits our needs to the "T" and I'm really glad to see that these tools are compatible with 3.5 as we would be moving there shortly."

Ramarao Prahalad
Texas Association of School Boards

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