public int SignUp([FromBody] CustomModels userData)
      {
          FRDBEntities db = new FRDBEntities();
          int          id = db.GetUserId(userData.email).FirstOrDefault <int?>() ?? default(int);;

          if (id.Equals(0))
          {
              return(db.UserSignUp(userData.email, userData.password, userData.firstName, userData.lastName, userData.percentage, userData.annualBudget, userData.location, userData.qualification));
          }
          return(0);
      }