Creating Cookie and Using Cookie

protected void Page_Load(object sender, EventArgs e)

    {



    }

    int x;    // Made a Variable with Datatype Int for Future Use

    HttpCookie myCookie;   // Defined a Cookie named myCookie.

    protected void Button1_Click(object sender, EventArgs e)

    { 

        x = Convert.ToInt32(TextBox1.Text);  // Converted textbox Value which we earlier Did.

        myCookie = new HttpCookie("txtValue");  // Assigned Variable myCookie.

        myCookie.Value = Convert.ToString(x);   // Value assigned to myCookie.

        Response.Cookies.Add(myCookie); //This Simple Made a Cookie that will Expire in Session End.

        myCookie.Expires = DateTime.Now.AddMinutes(15);  // We made is Persistent and stored it for Next 15 minutes.

      

    }

protected void Button2_Click(object sender, EventArgs e)

    {

       

        HttpCookie storedCook = Request.Cookies["txtValue"];  // Requested from Server for Cookie

        if (storedCook != null)  

            x = Convert.ToInt32(storedCook.Value);  // Converted to Integer again.

        TextBox1.Text = Convert.ToString(x * x);    // Now Printed Value in Textbox.

    }