protected void Page_Load(object sender, EventArgs e)
{
//Get the exception from the session variable passed by the page where the error occured
Exception ex = (Exception)Session["Exception"];
//Calls the ExceptionMsgBox method that breakes the exception in pieces and building with them
//a message error which is then passed to the label
this.LblError.Text = error.ExceptionMsgBox(ex, null);
}