ASP.NET MVC在不同控制器的视图之间传递URL ID

Question

So I decided to make an auction house web application as my first asp.net mvc project and I cannot figure out how to pass a parameter between two views that belong to different controllers. In the first view, Details of AuctionHouseController, I have:

<a class="btn btn-default" href="@Url.Action("Create", "Auctions", new { id = Model.ItemId })">Start Auction &raquo;</a>

and a URL: http://localhost:2142/AuctionHouse/Details/123

And here is the Details method:

public ActionResult Details(int id)
    {
        var item = _auctionhDbc.Items.Find(id);
        return View(item);
    }

I want to pass the id part of the URL - the "123" to the view where the button leads - Create of AuctionsController, where I have:

    <div class="form-group">
        @Html.LabelFor(model => model.Item.ItemId, htmlAttributes: new { @class = "control-label col-md-2" })
        <div class="col-md-10">
            @Html.EditorFor(model => model.Item.ItemId, new { htmlAttributes = new { @class = "form-control", @Value = " " } })
            @Html.ValidationMessageFor(model => model.Item.ItemId, "", new { @class = "text-danger" })
        </div>
    </div>

I want to place the "123" as the default value (@Value) of the Html Editor field. How can I do that?

Answer 1

Assuming you are using strongly typed views, your model for the Create view will already have the value of 123 in ItemID . The problem is, your model is of type Items , yet you are trying to use EditorFor for model.Item.ItemID .

Thus, instead of your line

@Html.EditorFor(model => model.Item.ItemId, 
    new { htmlAttributes = new { @class = "form-control", @Value = " " } })

if you use

@Html.EditorFor(model => model.ItemId, 
        new { htmlAttributes = new { @class = "form-control" } })

you will already have passed the value there. Make sure you use strongly typed views by putting:

@model YourNameSpace.Items

in the beginning of your view.