Accessing Posted Data in ASP.NET

There are two ways to access data using Page.PreviousPage in asp.net

1. Using FindControl function

string username = ((TextBox)PreviousPage.FindControl("tbxUsername")).Text;

2. Using Strongly Typed Data
I personally like this one because I don't care about what the control name is. Also, no typo mistakes will be made.
Here is how to make a strongly typed data

public string UserName
{
 get{return tbxUsername.Text;}
}

Also we have to set the code below at the page that receives the posted data.

<%@ PreviousPageType VirtualPath="~/pageName.aspx" %>

Last step, you have to rebuild in order for page to see the property in receiver page.