I cant get list of child record on post.

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ASP.NET

MVC

Hello Friends,


Please help me for below:

I Have Following Table:

public partial class Receipt
   {
       public Receipt()
       {
           this.ReceiptDetails = new HashSet<ReceiptDetail>();
       }

       public decimal ReceiptID { get; set; }
       public System.DateTime ReceiptDate { get; set; }
       public decimal BankAccountID { get; set; }
       public decimal NetAmount { get; set; }
       public decimal DeducationAmount { get; set; }
       public decimal TotalAmount { get; set; }
       public string Notes { get; set; }
       public Nullable<decimal> CustomerID { get; set; }
       public Nullable<decimal> UserID { get; set; }
       public Nullable<System.DateTime> CreatedOn { get; set; }
       public Nullable<decimal> CreatedBy { get; set; }
       public Nullable<System.DateTime> UpdatedOn { get; set; }
       public Nullable<decimal> UpdatedBy { get; set; }
       public Nullable<decimal> DeletedBy { get; set; }
       public Nullable<System.DateTime> DeletedOn { get; set; }
       public string IPAddress { get; set; }
       public Nullable<bool> IsActive { get; set; }

       public virtual ICollection<ReceiptDetail> ReceiptDetails { get; set; }
   }

Child of Receipt Table:

public partial class ReceiptDetail
   {
       public ReceiptDetail()
       {
           this.ReceiptDetailPriorDeductions = new HashSet<ReceiptDetailPriorDeduction>();
       }

       public decimal DetailID { get; set; }
       public decimal ReceiptID { get; set; }
       public Nullable<decimal> BankID { get; set; }
       public string BankBranch { get; set; }
       public Nullable<int> ChequeNo { get; set; }
       public Nullable<System.DateTime> ChequeDate { get; set; }
       public Nullable<decimal> Amount { get; set; }
       public Nullable<decimal> InflowAccountID { get; set; }
       public Nullable<decimal> InstrumentID { get; set; }
       public Nullable<decimal> PlanEntry { get; set; }
       public Nullable<decimal> TaxSectionID { get; set; }
       public Nullable<decimal> PriorDiduction { get; set; }

       public virtual ICollection<ReceiptDetailPriorDeduction> ReceiptDetailPriorDeductions { get; set; }
       public virtual Receipt Receipt { get; set; }
   }

public partial class ReceiptDetailPriorDeduction
  {
      public decimal ID { get; set; }
      public decimal DetailID { get; set; }
      public Nullable<decimal> DeductionGroupID { get; set; }
      public Nullable<decimal> Amount { get; set; }
      public string Description { get; set; }

      public virtual ReceiptDetail ReceiptDetail { get; set; }
  }

I have two partial view for that first for receiptdetail and second for ReceiptDetailPriorDeductions.

i am using begincollectionitem html helper for it.

when i click on submit button i get list of receiptdetail but i does not get child of receiptdetail.