手动验证(.NET 4.0)

问题描述

添加一个CausesValidation设置为false的按钮.单击此按钮时，手动
通过调用Page.Validate()方法来验证页面.然后检查IsValid属性-
并决定该怎么做."

从C#2008开始ASP.NET 3.5 –从新手到专业(ISBN-10(pbk):1-59059-891-1)P. 341

该书适用于.NET 3.5，但是，我正在使用.NET 4.0进行有关Visual Studio 2010的培训.

我尝试使用以下代码，但是，它似乎无法在页面内运行验证:

"Add a button with CausesValidation set to false. When this button is clicked, manually
validate the page by calling the Page.Validate() method. Then examine the IsValid prop-
erty, and decide what to do."

Beginning ASP.NET 3.5 in C# 2008 – from Novice to Professional (ISBN-10 (pbk): 1-59059-891-1) P. 341

The book is for .NET 3.5 however, I''m training on Visual Studio 2010 using .NET 4.0.

I tried using the following code, however, it does not seem to run the validations within the page:

Page.Validate();
        if (!Page.IsValid) lblMessage.Text = "Errors";

那么，我的错误在哪里?

完整代码此处.

So, where is my mistake?

Complete code here.

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