Asp.net realtime display text box word realization code

 
<script language="javascript" type="text/javascript"> 
function countNum() 
{ 
var count=document.getElementById("txtText").value.length; 
document.getElementById("lblCount").value=count; 
} 
</script> 

 
<asp:TextBox ID="txtText" name="txtText" runat="server" Columns="80" Rows="8" TextMode="MultiLine" 
Width="650px" Height="150px" onkeydown="countNum();" 
onmousemove="countNum();" onmouseout="countNum();" onkeyup="countNum();"></asp:TextBox> 
 (have input <input id="lblCount" type="button" style="border-style: none; background: none;" value="0" /> Words)  

Mouse events, keyboard events The event describe onClick A mouse click event, usually a mouse click within the scope of an object's control onDblClick Double click event onMouseDown The button on the mouse was pressed onMouseUp The mouse is pressed down and released when the event is activated onMouseOver An event that is triggered when the mouse moves over the range of an object onMouseMove An event that is triggered when the mouse moves onMouseOut An event that is triggered when the mouse is out of range of an object onKeyPress An event that is triggered when a key on the keyboard is pressed and released.
[note: there must be a focused object in the page] onKeyDown An event that is triggered when a key is pressed on the keyboard [note: there must be a focused object in the page] onKeyUp An event that is triggered when a key on the keyboard is pressed to release [note: there must be a focused object in the page]