Captcha Code Usage In Asp.net
Jan 30, 2010how to insert the "captcha code" and its validation process in vb asp.net.... i vave searched every were but i could nat get its code..atleast tel me is it possible to do so or not
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protected void CreateUserWizard1_CreatedUser(object sender, EventArgs e)
{
MSCaptcha.CaptchaControl Captcha1 = (CreateUserWizardStep1.ContentTemplateContainer.FindControl("Captcha1") as MSCaptcha.CaptchaControl);
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[Code] .....
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[Code]....
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[Code]....
code behind:
[Code]....
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Jun 13, 2012The captcha is working fine..but when we reload the page and click the verify button without entering enything..it's throwing error. Also it's throwing the error when we enter the code wrong 2 times..It's throwing the error as
Object reference not set to an instance of an object.
Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.
Line 15:protected void btnVerify_Click(object sender, EventArgs e)
Line 15: {
Line 16: Captcha1.ValidateCaptcha(txtCaptcha.Text.Trim());
Line 17:
Line 18: if (Captcha1.UserValidated)
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Apr 1, 2010i had created a captcha coz by reffering a blog
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.aspx
[Code]....
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[Code]....
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protected void CreateUserWizard1_CreatedUser(object sender, EventArgs e)
{
bool IsCaptcha;
IsCaptcha = validateCaptcha();
if (IsCaptcha == true)
StringBuilder bodyMsg = new StringBuilder();
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[code]...
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