You can pass values from one page to another by followings..cookie
Response.Redirect Cookies Application Variables HttpContext
Response.Redirectsession
SET :app
Response.Redirect("Defaultaspx?Name=Pandian");
GET :post
string Name = Request.QueryString["Name"];
Cookiesspa
SET :code
HttpCookie cookName = new HttpCookie("Name"); cookName.Value = "Pandian";
GET :ci
string name = Request.Cookies["Name"].Value;
Application Variablesget
SET :string
Application["Name"] = "pandian";
GET :
string Name = Application["Name"].ToString();
Refer the full content here : Pass values from one to another