add to cart count display

ContentPlaceHolder mpContentPlaceHolder;     TextBox mpTextBox;     mpContentPlaceHolder =        (ContentPlaceHolder)Master.FindControl("ContentPlaceHolder1");     if(mpContentPlaceHolder != null)     {         mpTextBox =              (TextBox) mpContentPlaceHolder.FindControl("TextBox1");         if(mpTextBox != null)         {             mpTextBox.Text = "TextBox found!";         }     }          // Gets a reference to a Label control that not in      // a ContentPlaceHolder     Label mpLabel = (Label) Master.FindControl("masterPageLabel");     if(mpLabel != null)     {         Label1.Text = "Master page label = " + mpLabel.Text;     }