What is the use of window.external? Is this used to call the server side functions / methods in C# / VB.NET (ASP.NET) from JavaScript? Can you please point me in right direction?
Code:
<%@ Page Language="vb" AutoEventWireup="false" CodeBehind="WebForm1.aspx.vb" Inherits="WebApplication1.WebForm1" %>
<!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>
</head>
<body>
<form id="form1" runat="server">
<div>
<input type="button" name="button1" value="Click"
onclick="javascript:window.external.SayHello('Mike');" />
</div>
</form>
</body>
</html>
Public Class WebForm1
Inherits System.Web.UI.Page
Public Sub SayHello(ByVal name As String)
Response.Write("Hello :- " & name)
End Sub
End Class