Api Post Product with Product Detail List

 1. C# Post Code

        [HttpPost]

        [Route("data")]

        //public async Task<(int st, string msg, Receipt data)> PostReceipt([FromBody] Receipt receipt, [FromBody] List<Receipt_Det_bill> rec_det_list)

        public async Task<(int st, string msg, Receipt data)> PostReceipt([FromBody] ReceiptWithDet receiptWithDet)

        {

            Receipt receipt = receiptWithDet.receipt;

            List<Receipt_Det_bill> rec_det_list = receiptWithDet.receiptDet;           

            return (200, db.msg_success, receipt);

        }

2. C# Class Code

public partial class ReceiptWithDet

    {

        public Receipt receipt;

        public List<Receipt_Det_bill> receiptDet;

    }

public partial class Receipt

    {

        [Key]

        public int Srno { get; set; }

        public string Rec_Code { get; set; }

        public string U_id { get; set; }

    }

public partial class Receipt_Det_bill

    {  

        public string Rec_Code { get; set; }

        public string Sale_No { get; set; }

        public Nullable<DateTime> Odr_Date { get; set; }

        public Nullable<decimal> Net_Amount { get; set; }  

        public Nullable<bool> ok { get; set; }

    }

3. JSON Post

http://localhost:52776/api/receipt/data POST

{

receipt:{

Acc_No: null,

Amt: 50,

Pay_Mode: "CASH",

Pcode: "CU7",

Rec_Date: "2021-11-23",

Rec_No: null,

Remark: "ss",

},

receiptDet:[{

    Rec_Code:"22",

    Sale_Code:"11"

}]

}