Friday, 18 October 2013

ASP.NET-Disabling Back Button of Browser in Javascript

 Hi friends, in this article I will explain about  ASP.NET-Disabling Back Button of Browser in Javascript
I already explained in the previous articles about ASP.NET - Disabling Back Button of Browser in C#/VB.NETDetecting sequence of at least 3 sequential numbers from a given List in ASP.NET using JavaScript and HTML - How can I open multiple links/windows with a single anchor tag using Javascript

In ASP.NET:
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title >ASP.NET-Disabling Back Button of Browser in Javascript</title>
<script type="text/javascript" language="javascript">
    function DisableBrowserBackButton() {
        window.history.forward()
    }
    DisableBrowserBackButton();
    window.onload = DisableBrowserBackButton;
    window.onpageshow = function (evt) { if (evt.persisted) DisableBrowserBackButton() }
    window.onunload = function () { void (0) }
</script>
</head>
 <body>
<form  runat ="server">
   User Name: <asp:TextBox runat ="server" ID="txtUser"></asp:TextBox> 
 <asp:Button runat ="server" ID="Button1" Text="Go" PostBackUrl ="~/NoBack.aspx"  />
    </form>
</body>
</html>


The output of the above code as shown in the below figure.
When we click on Back button in the browser then it shows as shown in the below figure.


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