Help on design registration user!

[Rockman X7]

Helo all... I now have problem in designing website in ASP.NET actually I want to make a registration user page that have random number to make sure there is no bot script to register user and then I create try to create those things with -- creating user control that contain the code to generate the number first then I display it to the client page, I implement a function to handle when we generate the number and also retreive the number that already generated -- creating the page that contain all the textbox to input the registration and the of course there is the user control that I built before and I call the generate number function when page load... but the strange is... each time I render the page... It shows the number "for example the number are 12345" but after I click button to register... The number changed... into other number... It makes me crazy... Anyone can help me? Thanks!

[mikailcetinkaya]

this article has a professional control for that purpose A CAPTCHA Server Control for ASP.NET (look for its updates) http://www.codeproject.com/aspnet/CaptchaControl.asp Tip: Save your generated number once in Session Session["XXXX"]=12344 after if txtNum.text<>Session["XXXX"] then .... Mikail Çetinkaya . The C# DEveloper

[Ista]

all server controls allow GDI+ on them Draw the Letter with Graphics object and randomly rotate the letter. Its quick and fast. You can link a pic or use a pattern to draw. GDI++ is easy Nick I'm not an expert yet, but I play one at work. Yeah and here too.