[ASP.NET] 驗證碼資源
1. [C#]簡單實做Captcha (完全用.Net內建函式)http://www.dotblogs.com.tw/kennyshu/archive/2009/11/09/11504.aspx2. 如何用 ASP.NET 實做簡單的圖片驗證機制(Captcha)http://blog.miniasp.com/post/2009/06/A-Simple-Captcha-in-ASPNET.aspx3. A Simple CAPTCHA Image Verification in C# and ASP.Nethttp://codes.codedigest.com/CodeDigest/88-A-Simple-CAPTCHA-Image-Verification-in-C–and-ASP-Net.aspx4.