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我想寫一個方法,生成多個佣金單。這是一個大學,在一個名爲「註冊」的課程中,客戶將與導師一起報名。通過這種方法,我試圖積累導師客戶的月費乘以他們的佣金百分比,因爲導師在他們提供的課程上賺取一定佣金。這裏是我的代碼如下:數據庫計算 - MVC 3和CodeFirst
public ActionResult CreateBulkCommissions()
{
var month = DateTime.Now.ToString("MMMM");
var enrolments = db.Enrollments.ToList();
var newCommissions = from enrolment in enrolments
select new TutorCommission()
{
CommissionAmount = enrolment.MonthlyFee,
CommissionMonth = month, // string constant
CommissionStatus = "Unpaid",
Tutor = enrolment.Tutor
};
foreach (var newCommission in newCommissions)
{
List<TutorCommission> TutorComs = newCommissions.GroupBy(g => g.Tutor).Select(s => new TutorCommission
{
CommissionAmount = s.Sum(u => u.CommissionAmount) * s.Key.TutorCommissionPercentage,
TutorNoID = s.Key.TutorNoID
}).ToList();
db.TutorCommission.Add(newCommission);
db.SaveChanges();
}
return RedirectToAction("Index");
}
的問題是,爲每個單獨招生創建TutorCommission條目,而不是與總佣金量爲每導師一個條目(月)。即阿什利有3個客戶,因此有3個註冊,目前正在爲他創建3個TutorCommission條目。我想爲一個條目添加註冊金額。此外,這筆金額並未乘以佣金百分比,因此只需存入全額註冊月費。相關類:
public class Enrollment
{
[Key]
[Display(Name = "Enrollment ID Number")]
public long EnrollmentIDNumber { get; set; }
[Display(Name = "Client ID Number")]
public long ClientNumberID { get; set; }
[Display(Name = "Tutor ID Number")]
public long TutorNoID { get; set; }
[Display(Name = "Course Name")]
public string CourseName { get; set; }
[Display(Name = "Lesson Time")]
public string LessonTime { get; set; }
[Display(Name = "Lesson Day")]
public string LessonDay { get; set; }
[Display(Name = "Lesson Location")]
public string LessonLocation { get; set; }
[Display(Name = "Lesson Type")]
public string LessonType { get; set; }
[Display(Name = "Lesson Level")]
public string LessonLevel { get; set; }
[Display(Name = "Monthly Fee")]
public long MonthlyFee { get; set; }
public virtual Client Client { get; set; }
public virtual Tutor Tutor { get; set; }
}
public class TutorCommission
{
[Key]
[Display(Name = "Commission ID")]
public long CommissionID { get; set; }
[Display(Name = "Commission Month")]
public string CommissionMonth {get; set;}
[Display(Name = "Commission Amount")]
public double CommissionAmount { get; set; }
[Display(Name = "Commission Status")]
public string CommissionStatus { get; set; }
[Display(Name = "Tutor ID Number")]
public long TutorNoID { get; set; }
public virtual Tutor Tutor { get; set; }
public virtual ICollection<CommissionPayments> CommissionPayments { get; set; }
}
public class Tutor
{
[Key]
[Display(Name = "Tutor ID Number")]
public long TutorNoID { get; set; }
[Required]
[StringLength(50, ErrorMessage="First name must be less than 50 characters")]
[Display(Name = "First Name")]
public string TutorFirstName { get; set; }
[StringLength(50, ErrorMessage = "Last name must be less than 50 characters")]
[Display(Name = "Last Name")]
public string TutorLastName { get; set; }
[DisplayFormat(DataFormatString = "{0:d}", ApplyFormatInEditMode = true)]
[Display(Name = "Birth Date")]
public DateTime? TutorBirthDate { get; set; }
[Display(Name = "Cellphone Number")]
public string TutorCellphoneNumber { get; set; }
[Display(Name = "Home Number")]
public string TutorHomeNumber { get; set; }
[RegularExpression("^[a-z0-9_\\+-]+(\\.[a-z0-9_\\+-]+)*@[a-z0-9-]+(\\.[a-z0-9-]+)*\\.([a-z]{2,4})$", ErrorMessage = "Not a valid email address")]
[Display(Name = "Email Address")]
public string TutorEmailAddress { get; set; }
[Display(Name = "Street Address")]
public string TutorStreetAddress { get; set; }
[Display(Name = "Suburb")]
public string TutorSuburb { get; set; }
[Display(Name = "City")]
public string TutorCity { get; set; }
[Display(Name = "Postal Code")]
public string TutorPostalCode { get; set; }
[Display(Name="Full Name")]
public string FullName
{
get
{
return TutorFirstName + " " + TutorLastName;
}
}
[Display(Name="Commission Percentage")]
[Required]
public double TutorCommissionPercentage { get; set; }
public virtual ICollection<Enrollment> Enrollments { get; set; }
public virtual ICollection<TutorCommission> TutorCommissions { get; set; }
}
感謝, 艾米
嗨艾米...你的問題似乎是與Linq,而不是MVC或EF ...你可能會得到更多的幫助,如果你重新說明這些問題。 –