How To Edit Nested List in Mvc

Question

 Problem - List binding gets null

 

 

 

 

 

My View

@model List<WebApplication5.Models.Site>
@{
    ViewBag.Title = "Home Page";
    int i = 0;
    int j = 0;
}
@using (Html.BeginForm("Index", "Home", FormMethod.Post))
{
    <table class="table">

        @foreach (var item in Model)
        {
            <tr>
                <td>
                    @Html.Hidden("ItemSiteCosting.Index", (@i + 10))
                    @Html.TextBox("ItemSiteCosting[" + (@i + 10) + "].name", Model[i].name)
                    @item.name
                </td>
                <td>
                    <table class="table">
                        @{ j = 0;}
                        @foreach (var item2 in item.xyz.costing.Sitecosting)
                        {

                            <tr>
                                <td>
                                    @Html.TextBox("ItemSiteCosting[" + (@i + 10) + "].xyz.costing.Sitecosting[" + (@j + 10) + "].Amount", Model[i].xyz.costing.Sitecosting[j].Amount)
                                    @item2.Amount

                                </td>
                            </tr>
                            j = j + 1;
                        }
                    </table>
                </td>
            </tr>
                                i = i + 1;
                            }

    </table>
    <input type="submit" value="Submit" />
                            }

 

 

 

My models

public class Site
   {
       public string name { get; set; }
       public BestPO xyz { get; set; }
   }

   public class BestPO
   {
       public BestPO()
       {
           costing = new SiteCost();
       }
       public string Cost { get; set; }
       public SiteCost costing { get; set; }

   }

   public class SiteCost
   {
       public SiteCost()
       {
           Sitecosting = new List<Money>();
       }
       public string Name { get; set; }
       public List<Money> Sitecosting {get;set;}

   }

   public class Money
   {
       public decimal? Amount { get; set; }

 }