Write the following code in .aspx head tag
<script language="Javascript">
<!--
function isNumberKey(evt)
{
var charCode = (evt.which) ? evt.which : event.keyCode
if (charCode != 46 && charCode > 31
&& (charCode < 48 || charCode > 57))
return false;
return true;
}
//-->
</script>
Call this event on required textboxes
<asp:TextBox ID="Txt_Others" runat="server" onkeypress="return isNumberKey(event)"
CssClass="TextBox" required="" Text="0"></asp:TextBox>
<script language="Javascript">
<!--
function isNumberKey(evt)
{
var charCode = (evt.which) ? evt.which : event.keyCode
if (charCode != 46 && charCode > 31
&& (charCode < 48 || charCode > 57))
return false;
return true;
}
//-->
</script>
Call this event on required textboxes
<asp:TextBox ID="Txt_Others" runat="server" onkeypress="return isNumberKey(event)"
CssClass="TextBox" required="" Text="0"></asp:TextBox>
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