public partial class Default2 : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        string s17 = Request.Form["scheck"].ToString();
        scheck.Value = s17;
        Response.Write(s17);
        string s18 = Request.Form["sacc1"].ToString();
        sacc1.Value = s18;
        Response.Write(s18);
        string s19 = Request.Form["schild"].ToString();
        schild.Value = s19;
        Response.Write(s19);
        string s = Session["child"].ToString();
        //Response.Write(s);
        //Response.Write(s19);int.Parse(Request.Form["schild"])==1

        if (int.Parse(s19)== 1)
        {
            Session["a"] = ctcchild1.name;
            Session["b"] = ctcchild1.age;
            Session["c"] = ctcchild1.college;
        }
        else if (int.Parse(s19)==2)
        {
            Session["d"] = ctcchild2.name;
            Session["e"] = ctcchild2.age;
            Session["f"] = ctcchild2.college;
        }
        //else
        //{
       else if (2<int.Parse(s19) <= 3)(error)
   {
            Session["g"] = ctcchild3.name;
            Session["h"] = ctcchild3.age;
            Session["i"] = ctcchild3.college;
        }
        else if(int.Parse(s19) == 4)
        {
            Session["j"] = ctcchild4.name;
            Session["k"] = ctcchild4.age;
            Session["l"] = ctcchild4.college;
        }
plz tell me is it possible to apply condition at session .and how it is possible