I am using Google recaptcha in one of our projects. I added the recaptcha control in aspx page. Now i want to validate the value entered in recaptcha that is whether it is correct or not. How can i done it in a button click event? I am using c#.
Answers:
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Method 1
if(Page.IsValid) //Will be true if captcha text is correct otherwise it will be false
{
//***your code****
}
Edit:
call
Page.Validate() before checking condition
Method 2
If you’re using the ASP.NET reCaptcha control,
you need to manually call
recaptcha.Validate()
before you check the recaptcha.IsValid or Page.IsValid properties.
Method 3
Apparently it doesn’t work with ASP.NET ValidationGroups. If you have a ValidationGroup, you need to call recaptcha.Validate() manually before checking recaptcha.IsValid or Page.IsValid.
Method 4
C# must use recaptcha.Validate() depois you can use check if Page.IsValid
All methods was sourced from stackoverflow.com or stackexchange.com, is licensed under cc by-sa 2.5, cc by-sa 3.0 and cc by-sa 4.0