Applying javascript in asp.net
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!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 id="Head1" runat="server">
<title>Untitled Page</title>
<script language="javascript" type="text/javascript">
function validate() {
var summary = "";
summary += isvalidFirstname();
summary += email();
summary += age();
summary += mobileno();
summary += licence();
if (summary != "") {
alert(summary);
return false;
}
else {
return true;
}
}
function licence() {
var uid;
var temp = document.getElementById("<%=txtlicence.ClientID %>");
uid = temp.value;
var re = /^[0-9a-zA-Z ]+$/;
var digits = /\d(10)/;
if (uid == "") {
return ("Please enter licence no." + "\n");
}
else if (re.test(uid)) {
return "";
}
else {
return ("please enter valid licence no . in alphanumeric" + "\n");
}
}
function mobileno()
{
var uid;
var temp = document.getElementById("<%=Txtmobile.ClientID %>");
uid = temp.value;
var re = /^([0-9]{10})$/;
if (uid == "") {
return ("Please enter mobile" + "\n");
}
else if (re.test(uid)) {
return "";
}
else {
return ("please enter valid mobile no 10 digit" + "\n");
}
}
function age()
{
var uid;
var temp = document.getElementById("<%=Txtage.ClientID %>");
uid = temp.value;
var re = /^[0-9]+$/;
if (uid == "") {
return ("Please enter age" + "\n");
}
else if (re.test(uid)) {
return "";
}
else {
return ("please enter age in integer" + "\n");
}
}
function email()
{
var uid;
var temp = document.getElementById("<%=Textemial.ClientID %>");
uid = temp.value;
var re = /\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*/;
if (uid == "") {
return ("Please enter email" + "\n");
}
else if (re.test(uid)) {
return "";
}
else {
return ("please enter valid email" + "\n");
}
}
function isvalidFirstname() {
var uid;
var temp = document.getElementById("<%=txtfname.ClientID %>");
uid = temp.value;
var re = /^[a-zA-Z ]+$/
if (uid == "") {
return ("Please enter firstname" + "\n");
}
else if (re.test(uid)) {
return "";
}
else {
return ("FirstName accepts Characters and spaces only" + "\n");
}
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:TextBox ID="txtfname" runat="server" ></asp:TextBox>
name
<asp:TextBox ID="Textemial" runat="server"></asp:TextBox>
email
<br />
<asp:TextBox ID="Txtage" runat="server"></asp:TextBox>
age
<asp:TextBox ID="Txtmobile" runat="server"></asp:TextBox>
mobile no.<br />
<asp:TextBox ID="txtlicence" runat="server"></asp:TextBox>
licence no.<br />
<br />
</div>
<asp:Button ID="Button1" runat="server" onclick="Button1_Click" Text="Button" OnClientClick="javascript:validate()" />
</form>
</body>
</html>
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