按下空格时比警报消息显示 [英] when pressing space than alert message display

问题描述

我正在创建一个登录表单.在文本框中输入密码时，我不想允许空间.
或

I am creating a login form. I want to not allow space when entreing password in textbox.
Or
when entreing space at that time a alert message show.

推荐答案

<input type="text" id="txtSearch" onkeypress="KeyPress(event);" />

<script>
    function KeyPress(e)
    {
       
        if (typeof e == 'undefined' && window.event) { e = window.event; }
        if (e.keyCode == 32)
        {
            alert('Space not allowed');
        }
    }
    </script>

试试这个:
HTML:

Hi,
Try this:
HTML:

<asp:TextBox runat="server" ID="TextBox1" onkeypress="KeyPress(this);" />

JavaScript:

JavaScript:

<script type="text/javascript" language="javascript">
    function KeyPress(value)
    {
        if (value.keyCode == 32)
        {
            alert('Space not allowed');
            return false;
        }
    }
</script>

祝一切顺利.
--Amit

All the best.
--Amit

if (value.keyCode == 32)
        {
            alert('Dont Type Space');
            return false;
        }

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