<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>限制文本框输入数字或浮点数(暂只支持IE)</title>
</head>
<body>
<table border="0" cellspacing="1" cellpadding="0" width="100%" style="background-color:#ccc; font-size:12px;">
<tr>
<td style="height:100px; background-color:#fff;" colspan="2" align="center" valign="middle">
<h3>限制文本框输入数字或浮点数(暂只支持IE)</h3></td>
</tr>
<tr>
<td style=" 30%; height:25px; background-color:#fff; padding-left:10px;">
该文本框只允许输入整型：</td>
<td style=" background-color:#fff; padding-left:10px;">
<input type="text" id="input1" name="input1" onpropertychange="javascript:CheckInputInt(this);" /></td>
</tr>
<tr>
<td style=" 30%; height: 25px; background-color: #fff; padding-left:10px;">
该文本框允许输入浮点数：</td>
<td style="background-color: #fff; padding-left:10px;">
<input type="text" id="input2" name="input2" onpropertychange="javascript:CheckInputFloat(this);" /></td>
</tr>
<tr>
<td align="center" colspan="2" rowspan="2" style="padding-left: 10px; height: 58px;
background-color: #fff">
<a href="http://bbs.51aspx.com/">返回上级</a></td>
</tr>
<tr>
</tr>
</table>
<script language="javascript" type="text/javascript">
// Int 51-aspx
function CheckInputInt(oInput)
{
if ('' != oInput.value.replace(/\d/g,''))
{
oInput.value = oInput.value.replace(/\D/g,'');
}
}
//Float 51aspx
function CheckInputFloat(oInput)
{
if('' != oInput.value.replace(/\d{1,}\.{0,1}\d{0,}/,''))
{
oInput.value = oInput.value.match(/\d{1,}\.{0,1}\d{0,}/) == null ? '' :oInput.value.match(/\d{1,}\.{0,1}\d{0,}/);
}
}
</script>
</body>
</html>
<html xmlns="http://www.w3.org/1999/xhtml
<head>
<title>限制文本框输入数字或浮点数(暂只支持IE)</title>
</head>
<body>
<table border="0" cellspacing="1" cellpadding="0" width="100%" style="background-color:#ccc; font-size:12px;">
<tr>
<td style="height:100px; background-color:#fff;" colspan="2" align="center" valign="middle">
<h3>限制文本框输入数字或浮点数(暂只支持IE)</h3></td>
</tr>
<tr>
<td style=" 30%; height:25px; background-color:#fff; padding-left:10px;">
该文本框只允许输入整型：</td>
<td style=" background-color:#fff; padding-left:10px;">
<input type="text" id="input1" name="input1" onpropertychange="javascript:CheckInputInt(this);" /></td>
</tr>
<tr>
<td style=" 30%; height: 25px; background-color: #fff; padding-left:10px;">
该文本框允许输入浮点数：</td>
<td style="background-color: #fff; padding-left:10px;">
<input type="text" id="input2" name="input2" onpropertychange="javascript:CheckInputFloat(this);" /></td>
</tr>
<tr>
<td align="center" colspan="2" rowspan="2" style="padding-left: 10px; height: 58px;
background-color: #fff">
<a href="http://bbs.51aspx.com/
</tr>
<tr>
</tr>
</table>
<script language="javascript" type="text/javascript">
// Int 51-aspx
function CheckInputInt(oInput)
{
if ('' != oInput.value.replace(/\d/g,''))
{
oInput.value = oInput.value.replace(/\D/g,'');
}
}
//Float 51aspx
function CheckInputFloat(oInput)
{
if('' != oInput.value.replace(/\d{1,}\.{0,1}\d{0,}/,''))
{
oInput.value = oInput.value.match(/\d{1,}\.{0,1}\d{0,}/) == null ? '' :oInput.value.match(/\d{1,}\.{0,1}\d{0,}/);
}
}
</script>
</body>
</html>
Regex.IsMatch(dt.Rows[6][1].ToString(), @"^[+\-]?\d+(.\d+)?$") ;//正负小数的验证!