Asp.net Mvc Ajax Record Couldn't find - asp.net-mvc

Question

i am creating the Asp.net MVC Project in Bank Balance Checking.if i enter the correct account no relevant balance want to display but not not displayed while i am running the programming i got the error was Additional information: The underlying provider failed on Open.
what i tried so far i attached below.
Index.cshtml
#{
ViewBag.Title = "Index";
}
<div class="row">
<div class="col-sm-8">
#using (Html.BeginForm("Index", "home", FormMethod.Post, new { id = "popupForm" }))
{
<table class="table table-bordered">
<caption> Add Products </caption>
<tr>
<th>Account No</th>
<th>Account Holder Name</th>
<th>Balance</th>
</tr>
<tr align="center">
<td>
<input type="text" class="form-control" placeholder="Account No" id="accno" name="accno" size="50px">
</td>
<td>
<input type="text" class="form-control" id="accname" size="25px" name="accname"
placeholder="price" disabled>
</td>
<td>
<input type="number" class="form-control" id="balance" name="balance"
placeholder="qty" size="25px" required>
</td>
</tr>
</table>
}
</div>
</div>
<hr />
#Scripts.Render("~/bundles/jquery")
#section scripts{
<script src="~/Scripts/jquery-3.4.1.js"></script>
<script src="~/Scripts/jquery-3.4.1.min.js"></script>
<script src="~/Scripts/jquery.validate.js"></script>
<script src="//cdn.datatables.net/1.10.19/js/jquery.dataTables.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery-confirm/3.3.2/jquery-confirm.min.js"></script>
<script>
getProductcode();
function getProductcode()
{
$("#accno").empty();
$("#accno").keyup(function (e) {
var q = $("#accno").val();
if ($('#accno').val().length === 0) {
$.alert({
title: 'Error!',
content: "Please Enter the Barcode",
type: 'red',
autoClose: 'ok|2000'
});
return false;
}
$.ajax({
type: "POST",
url: '/home/Getid?id=' + $("#accno").val(),
dataType: "JSON",
success: function (data)
{
console.log(data);
$('#accname').val(data.accname);
$('#balance').val(data.balance);
},
error: function (xhr, status, error)
{
// alert("The barcode entered is not correct");
}
});
return true;
});
}
</script>
}
#section styles{
<link href="~/Content/bootstrap.css" rel="stylesheet" />
<link href="~/Content/bootstrap.min.css" rel="stylesheet" />
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/jquery-confirm/3.3.2/jquery-confirm.min.css">
<link rel="stylesheet" href="//cdn.datatables.net/1.10.19/css/jquery.dataTables.min.css">
}
HomeController
//you don't need this here except you want to use Dependency injection
bankEntities dc = new bankEntities();
public ActionResult Index()
{
return View();
}
public string accno { get; set; }
[HttpPost]
public JsonResult Getid(String Id)
{
var std = dc.accounts.Where(a => a.accno == Id).FirstOrDefault();
return Json(std, JsonRequestBehavior.AllowGet);
}
}