Sunday, 31 March 2013

Performing Client side validations using Javascript in asp.net

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default2.aspx.cs" Inherits="Default2" %>

<!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 type="text/javascript" language="javascript">
    function isvalidate() {
        var UserName = document.getElementById('<%= Txtname.ClientID %>').value;
        var pwd = document.getElementById('<%= txtpwd.ClientID %>').value;
        if (UserName == "") {
            alert("Enter UserName");
            return false;
        }
        if (pwd == "") {
            alert("Enter Your Password");
            return false;
        }
    }
   
</script>
</head>
<body>
    <form id="form1" runat="server">
    <div>
      UserName  : <asp:TextBox id="TxtName" runat="server"/>
      Password   : <asp:TextBox id="txtpwd" runat="server"/>
   <asp:Button id="btnLogin" runat="server" Text="Login" OnClientClick="isvalidate()"></asp:Button>
    </div>
    </form>
</body>
</html>

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