Wednesday, 7 March 2018

allow only numbers or decimal in textbox

Allow only numbers or decimal in textbox



<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="RNDWithNumbers.aspx.cs"
    Inherits="TabFormWebApp.RNDWithNumbers" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
    <script src="Script/jquery.min.js" type="text/javascript"></script>
    <script type="text/javascript">

        function isNumberWithDecimalKey(evt, obj) {
            var charCode = (evt.which) ? evt.which : event.keyCode
            var value = obj.value;
            var dotcontains = value.indexOf(".") != -1;
            if (dotcontains)
                if (charCode == 46) return false;
            if (charCode == 46) return true;
            if (charCode > 31 && (charCode < 48 || charCode > 57))
                return false;
            return true;
        }

        function isNumber(evt) {
            evt = (evt) ? evt : window.event;
            var charCode = (evt.which) ? evt.which : evt.keyCode;
            if (charCode > 31 && (charCode < 48 || charCode > 57)) {
                return false;
            }
            return true;
        }

    </script>
</head>
<body>
    <form id="frm" runat="server">
    <table>
        <tr>
            <td>
                Only Number
            </td>
            <td>
                <input type="text" id="txtAllowNumber" onkeypress="return isNumber(event)" />
            </td>
        </tr>
        <tr>
            <td>
                Only Number With Decimal
            </td>
            <td>
                <input type="text" id="txtAllowNumberWithDecimal" onkeypress="return isNumberWithDecimalKey(event,this)" />
            </td>
        </tr>
    </table>
    <br />
    </form>
</body>
</html>

3 comments:

  1. Thanks for sharing this Informative content. Well explained. Got to learn new things from your Blog on. .Net Online course

    ReplyDelete
  2. Thanks a lot for sharing such a good source with all, i appreciate your efforts taken for the same. I found this worth sharing and must share this with all.



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    ReplyDelete
  3. Allowing only numbers or decimals in a textbox is a time-saving. It simplifies data entry, ensuring that users provide accurate numerical inputs without additional validations. The App Download It is feature that improves data quality.

    ReplyDelete

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