獲取來源頁面的頁面

string user_IP = System.Web.HttpContext.Current.Request.ServerVariables["HTTP_REFERER"];

//頁面的url
string nowUrl = HttpContext.Current.Request.Url.ToString();

//獲得客戶端的IP
string result = String.Empty;

result = HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
        if (string.IsNullOrEmpty(result))
        {
            result = HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"];
        }

        if (string.IsNullOrEmpty(result))
        {
            result = HttpContext.Current.Request.UserHostAddress;
        }

        if (null == result || result == String.Empty)
        {
            result = HttpContext.Current.Request.UserHostAddress;

        }

服務器發送string user_IP = System.Web.HttpContext.Current.Request.ServerVariables["HTTP_REFERER"];