http://forum.lowyat.net/ Sun, 15 Nov 2026 17:28:51 +0800 FeedCreator 1.7.2 http://forum.lowyat.net/topic/601576 happy new year, everyone. <br />i have some asp problem. anyone knows that pls hlep . <br /><br />i got 3 text field in my program, first, second and sum. user enter in number into first and second, when onchange,it will automatically display the sum in sum text box. i use event onKeyPress to control user enter in number only. and onChange to auto calculate the sum of first and second.<br /><br />but the problem is the program cannot auto calculate after i create the onKeyPress funtion. here&#39;s my coding. please help .. <br /><br />&lt;%@LANGUAGE=&quot;VBSCRIPT&quot; CODEPAGE=&quot;65001&quot;%&gt;<br />&lt;head&gt;<br />&lt;meta http-equiv=&quot;Content-Type&quot; content=&quot;text/html; charset=utf-8&quot; /&gt;<br /><br /><br />&lt;title&gt;Untitled Document&lt;/title&gt;<br />&#60;script Language =&quot;VBScript&quot;&gt;<br />Sub KeyCheck<br />If Window.Event.KeyCode &lt; 46 OR Window.Event.KeyCode = 47 OR Window.Event.KeyCode &gt; 57 Then<br />Window.Event.returnValue = False<br /><br />End If<br /><br />End Sub<br />&lt;/SCRIPT&gt;<br /><br />&lt;/head&gt;<br /><br />&lt;body&gt;<br />&lt;form id=&quot;form1&quot; name=&quot;form1&quot; method=&quot;post&quot; action=&quot;&quot;&gt;<br />&lt;label&gt;<br />&lt;input type=&quot;text&quot; name=&quot;first&quot; id=&quot;first&quot; value=0 onKeyPress=&quot;KeyCheck&quot; onchange =&quot;sum.value=(parseFloat(second.value)+parseFloat(thi s.value))&quot;&gt;<br />x<br />&lt;/label&gt;<br />&lt;input type=&quot;text&quot; name=&quot;second&quot; id=&quot;add&quot; value=0 onKeyPress=&quot;KeyCheck&quot; onchange =&quot;sum.value=(parseFloat(first.value)+parseFloat(this .value))&quot;&gt;<br />=<br />&lt;label&gt;<br />&lt;input type=&quot;text&quot; name=&quot;sum&quot; id=&quot;sum&quot; value=0&gt;<br />&lt;/label&gt;<br />&lt;p&gt;<br />&lt;label&gt;&lt;/label&gt;<br />&lt;/p&gt;<br />&lt;/form&gt;<br />&lt;/body&gt;<br />&lt;/html&gt;<br /><br /><br />thanx alot. snowball Codemasters Mon, 31 Dec 2007 14:09:25 +0800