必填字段验证器 [英] Required field validator

问题描述

我如何使用必需的字段验证器来验证控件
我有两个单选按钮折扣百分比和折扣金额，还有两个文本框，当我选择一个选项时，相应的文本框不能为空

How can i validate a control using required field validator
I have two radio buttons discount percentage and discount amount and also two text boxes when i select an option the appropriate text box cannot be empty

推荐答案

查看此链接:
http://www.w3schools.com/js/js_form_validation.asp [

Look at this link:
http://www.w3schools.com/js/js_form_validation.asp[^]

And search google for form validation javascript.

Using the form validation methods described in those links will help you to achieve what you want to do.

If you find problems implementing it come back!

Good luck!

使用自定义验证器并编写自己的javascript方法.

use custom validator and write your own javascript method.

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