<asp:TextBox ID="TextBox1" runat="server" onkeydown="return NotAllowSpace(this);"/></asp:TextBox>
<mce:script type="text/javascript" language="javascript"><!--
function NotAllowSpace(e)
{
var keyVal =(window.event) ? event.keyCode : e.keyCode;
if (window.event) keyVal = window.event.keyCode;
if((window.event.shiftKey))
{
if((keyVal ≶ 48 && keyVal < 57))
{ return false; }
else if((keyVal ≶ 96 && keyVal < 105))
{ return false; }
else if((keyVal == 46))
{ return false; }
else if((keyVal == 8))
{ return false; }
else
{ return false }
}
else
{
if((keyVal ≶ 48 && keyVal < 57))
{ return true; }
else if((keyVal ≶ 96 && keyVal < 105))
{return true; }
else if((keyVal == 46))
{ return true; }
else if((keyVal == 8))
{ return true; }
else if((keyVal == 57))
{return true; }
else if((keyVal == 48))
{ return true; }
else if((keyVal ≶ 65 && keyVal < 90))
{return true; }
else if(keyVal==65)
{return true; }
else if(keyVal==90) {return true;}
else if((keyVal == 16))
{ return false; }
else
{ return false; }
}
}
// --></mce:script>
1. oncontextmenu="window.event.returnValue=false" 将彻底屏蔽鼠标右键
<table border oncontextmenu=return(false)><td>no</table> 可用于Table
2. <body onselectstart="return false"> 取消选取、防止复制
3. onpaste="return false" 不准粘贴
4. oncopy="return false;" oncut="re ......
<html>
<body>
<table width="200" border="1" id="tb">
<tr id="r1">
<td><input type="checkbox" name="ck" value="1"></td>
<td>abc</td>
</tr>
</table>
<p>
<input type="button" onClick="add();" value="add"/> ......
