public string CheckAccess(User User)
        {
            string userName = User.UserName;
            string password = User.Password;

            string access = "0";
            string encPassword;
            string key = "AmitLalJoshi";

            encPassword = ConnectionDbInfo.Encrypt(password, key);
            using (SqlConnection cnMain = new SqlConnection(ConnectionDbInfo.ConnectionString))
            {
                cnMain.Open();
                //dt = new DataTable();
                try
                {
                    var dt = cnMain.ExecuteScalar <string>("SELECT AUTHORIZE FROM USERPROFILES WHERE UNAME='" + userName + "' AND PASSWORD='******'", cnMain);
                    if (dt == null)
                    {
                        dt = "Incorrect username or password ";
                    }
                    return(dt);
                }
                catch (Exception e)
                {
                    return(e.Message);
                }
            }
        }
        public string postuserVerification(User User)
        {
            string USERNAME = User.UserName;
            string PASSWORD = User.Password;
            string UNIQUEID = User.UniqueID;
            string encPassword;
            string key = "AmitLalJoshi";

            encPassword = ConnectionDbInfo.Encrypt(PASSWORD, key);
            using (SqlConnection cnMain = new SqlConnection(ConnectionDbInfo.ConnectionString))
            {
                cnMain.Open();
                try
                {
                    registerDevice(UNIQUEID, cnMain);
                    int i = cnMain.ExecuteScalar <int>("SELECT COUNT(*) FROM USERPROFILES WHERE UNAME='" + USERNAME + "' AND PASSWORD='******'", cnMain);
                    if (i > 0)
                    {
                        i = cnMain.ExecuteScalar <int>("SELECT COUNT(*) FROM RMD_DEVICEVALIDATION WHERE UNIQUEID='" + UNIQUEID + "'", cnMain);
                        if (i > 0)
                        {
                            return("1");
                        }
                    }
                    return("0");
                }
                catch (Exception e)
                {
                    return(e.Message);
                }
            }
        }