ASP.NET

if(Success)
{
Session["Username"] = "The Username";
}

Session["Username"] = null;

 if(Session["Username"] == null)
{
   Response.Redirect("Login.aspx",false);
} 

if(!page.ispostback)
{
}

jrahma wrote:

If I want to destroy a page from my website and display (Page Can't be displayed)! if user trued to browse after he sign out my web site using my sign out button.

If(Session["UserName"] == null)
{
  Response.Redirect("PageNotDisplayed.aspx"); 
}
else
{
  // Do your staff.
}

// Code disables caching by browser. Hence the back browser button
// grayed out and could not causes the Page_Load event to fire 
Response.Cache.SetCacheability(HttpCacheability.NoCache);
Response.Cache.SetExpires(DateTime.UtcNow.AddHours(-1));
Response.Cache.SetNoStore();

<META Http-Equiv="Cache-Control" Content="no-cache">
<META Http-Equiv="Pragma" Content="no-cache">
<META Http-Equiv="Expires" Content="0">

//clears browser history and redirects url
<SCRIPT LANGUAGE=javascript> {  var Backlen=history.length;   history.go(-Backlen);   window.location.href=page url }</SCRIPT>

Page.ClientScript.RegisterStartupScript(this.GetType(),"cle","windows.history.clear",true);

protected void LogOut()   
{       
     Session.Abandon();       
     string nextpage = "Logoutt.aspx";       
     Response.Write("<script language=javascript>");             
     Response.Write("{");       
     Response.Write(" var Backlen=history.length;");       
     Response.Write(" history.go(-Backlen);");       
     Response.Write(" window.location.href='" + nextpage + "'; ");
     Response.Write("}");       
     Response.Write("</script>");   
}

Sandeep Mewara wrote:

browers back button does not reloads the whole page and so I have to disagree with other replies about clearing the session

Abhijit Jana wrote:

He didn't mentioned it any where that, he want to navigate it using browser back button

Abhijit Jana wrote:

BTW: your answer is well explained +5, I will suggest you to put it as Tips n Ticks in CP and in future you / we can use the same from there

Sandeep Mewara wrote:

I won't blame you or other answerers for the session thing

Sandeep Mewara wrote:

OT: So, how are you. Looks like, a lot busy these days giving tech-talks..

Abhijit Jana wrote:

Dude, Tomorrow traveling to Pune for first Indian Code Project Member meet. We will miss you there. Thoug very less number of people and it's an unofficial meet still we will make something big next time and hope to see you there.

Abhijit Jana wrote:

hope to see you there.
Why you are not in gtalk now a days ?

Sandeep Mewara wrote:

Mere naam pe kuch kha/pee lena

Sandeep Mewara wrote:

don't forget to capture the things... atleast virtually we can attend

• Get HTTP POST information from the source page.
• Use session state.
• Create public properties in the source page and access the property values in the target page.
• Get control information in the target page from controls in the source page.