我需要一个教程：刷新CAPTCHA图像而不刷新页面 [英] i need a Tutorial: Refresh CAPTCHA image without refreshing the page

问题描述

hi


i想在我的网站上使用CAPTCHA图像现在我需要一个关于CAPTCHA的教程但是= Tutorial刷新CAPTCHA图像而不刷新页面

hi
i want to use CAPTCHA image in my web site now i need a Tutorial about CAPTCHA but =Tutorial Refresh CAPTCHA image without refreshing the page

推荐答案

请看这里：用于ASP.NET的CAPTCHA服务器控件 [ ^ ]

Please, have a look here: A CAPTCHA Server Control for ASP.NET[^]

tim waite写道：

tim waite wrote:

将控件放在更新面板中，不对更新做任何事情...这会刷新控件并单独保留表单的其余部分。

Put the control inside an update panel and don't do anything with the update... this refreshes the control and leaves the rest of the form alone.

最好遵循以下条件：

Captcha的例子具有刷新按钮的图像 [ ^ ]

并且还在 CodeProject [ ^ ]和 Google [ ^ ]。

Would be best if you follow this one:
Example for Captcha image with refresh button[^]
And have also a search in CodeProject[^] and Google[^].

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