Allow user to enter only numeric values using Ajax Asp.net
FilterdTextBoxExtender
Source Code:
<%@ Page Language="VB" AutoEventWireup="false" CodeFile="txtFilter.aspx.vb" Inherits="txtFilter" %>
<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="ajax" %>
<!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>FilteredTextBoxExtender</title>
</head>
<body>
<form id="form1" runat="server">
<ajax:ToolkitScriptManager ID="tl" runat="server"></ajax:ToolkitScriptManager>
<asp:TextBox ID="txtNum" runat="server"></asp:TextBox>
<ajax:FilteredTextBoxExtender ID="filTxt" runat="server" TargetControlID="txtNum"
FilterMode="ValidChars" FilterType="Numbers"></ajax:FilteredTextBoxExtender>
</form>
</body>
</html>
Thanks