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Many sites I visited will display an image containing some random characters. I have to type the characters into the box before I can proceed. I assume this is to prevent some robot from flood the database with too many entries.
I have been asked by my management to do some similar. I write in asp.net with c#. Are there any tools out there to make this easier? I could probably write something from scratch. Although I’m not sure how I would create an image with random characters.
What you are looking for is a “CAPTCHA” image. google it and there are a lot of samples for it. http://www.codeproject.com/KB/aspnet/CaptchaImage.aspx