partial view post back not posting the values

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MVC

Hello
i have got the bellow partial view

@model AccountPortal.Models.AddressModel

@using (Html.BeginForm())
{
    @Html.AntiForgeryToken()
    
    <div class="form-horizontal">
        <h4>AddressModel</h4>
        <hr />
        <p>
            @Html.Label("House Number or Name")
            @Html.EditorFor(model => model.AddressLine1)
        </p>
       <p>
           @Html.LabelFor(model => model.Postcode)
           @Html.EditorFor(model => model.Postcode)
       </p>
   
    </div>
}

<div>
    @Html.ActionLink("Continue", "GetAddress", new { home = Model.AddressLine1, postcode =Model.Postcode })
    @Html.ActionLink("Don't Know the Postcode", "AddressManuallyEnter")|
    @Html.ActionLink("BFPO Customer", "ManuallyAddForBFPO")
</div>

and after filling the House Number, and the postcode clicked on the Continue actionLink which too me to GetAddress method but

the home, postcode are null.

what i have been missing out

bellow is my GetAddress Action method

public ActionResult GetAddress(string home, string postcode)
        {
            var A = SelectedAddress;
          List< AddressModel> model = AddressUtility.FindAddressByPostcode(home, postcode, false);
          AddressUtility.BuildAddressSelectList(ref model);
          
          return PartialView(model);
        }

Appreciate all your help