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I’m having trouble saving the data..

Mohamed HM Hadj Mokhtar

Mohamed HM Hadj Mokhtar
5y
497
1
Problem when saving data "ex = {" An entity object can not be referenced by multiple instances of IEntityChangeTracker. "}
  1. public class Transactions  
  2. {  
  3. [Key]  
  4. public long Id { get; set; }  
  5. public string Url { set; get; }  
  6. public bool? Showsender { get; set; }  
  7. public virtual PaymentStatus PaymentStatusItem { get; set; }  
  8. public string Trackingnumber { set; get; }  
  9. public DateTime? Executiondatetime { set; get; }  
  10. public virtual Account SourceAccount { set; get; }  
  11. public virtual Account DestinationAccount { set; get; }  
  12. public Decimal? Amount { set; get; }  
  13. public string Currency { set; get; }  
  14. public string Type { set; get; }  
  15. public string Status { set; get; }  
  16. public string Description { set; get; }  
  17. public decimal? CurrentBalance { get; set; }  
  18. public decimal? Balance { get; set; }  
  19. public virtual TransactionType TransactionTypeItem { get; set; }  
  20. public virtual Account DestinationAccountItem { get; set; }  
  21. public virtual Account SourceAccountItem { get; set; }  
  22. }  
  23. public bool Save(Transactions tran)  
  24. {  
  25. try  
  26. {  
  27. db.transactons.Add(tran);  
  28. db.SaveChanges();  
  29. return true;  
  30. }  
  31. catch (Exception ex)  
  32. { } return false;  
  33. }
I tried but I couldn't find a solution to this problem, please help.
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