Character count get increment and decrement when it get typed or deleted from textbox
<script language="javascript">
function count()
{
var keyid=event.KeyCode;
var c=document.getElementById('TextBox1').value.length;
if(c<=10)
{
document.getElementById('Text1').value=(10-c);
}
else
{
alert("Character exeed");
}
switch (keyid)
{
case 8:
document.getElementById('Text1').value=( document.getElementById('Text1').value - c);
case 46:
document.getElementById('Text1').value=(document.getElementById('Text1').value - c);
}
}
</script>
<div>
<asp:TextBox ID="TextBox1" runat="server" onKeyPress="count()" onKeyDown="count()" MaxLength="10"></asp:TextBox>
<br />
<label>10-></label> <input id="Text1" type="text" disabled="disabled" />
</div>
<script language="javascript">
function count()
{
var keyid=event.KeyCode;
var c=document.getElementById('TextBox1').value.length;
if(c<=10)
{
document.getElementById('Text1').value=(10-c);
}
else
{
alert("Character exeed");
}
switch (keyid)
{
case 8:
document.getElementById('Text1').value=( document.getElementById('Text1').value - c);
case 46:
document.getElementById('Text1').value=(document.getElementById('Text1').value - c);
}
}
</script>
<div>
<asp:TextBox ID="TextBox1" runat="server" onKeyPress="count()" onKeyDown="count()" MaxLength="10"></asp:TextBox>
<br />
<label>10-></label> <input id="Text1" type="text" disabled="disabled" />
</div>
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