Url.Action puts an & in my url, how can I solve this?

Question

I want to send the variables itemId and entityModel to the ActionResult CreateNote:

public ActionResult CreateNote(
        [ModelBinder(typeof(Models.JsonModelBinder))]
        NoteModel Model, string cmd, long? itemId, string modelEntity)

with this javascript:

Model.meta.PostAction = Url.Action("CreateNote", new { cmd = "Save", itemId = itemId, modelEntity = modelEntity});

However, the url being send is

localhost:1304/Administration/blue/en-gb/Entity/CreateNote?modelEntity=Phrase&amp;itemId=44

I want to send

localhost:1304/Administration/blue/en-gb/Entity/CreateNote?modelEntity=Phrase&itemId=44

How can I prevent Url.Action to put the & in front of the second variable that I want to send?

Because when I look at the ActionResult with a breakpoint, when I have localhost:1304/Administration/blue/en-gb/Entity/CreateNote?modelEntity=Phrase&itemId=44 modelEntity = Phrase and itemId = null. When I turn them around in javascript and get localhost:1304/Administration/blue/en-gb/Entity/CreateNote?itemId=44&modelEntity=Phrase itemId = 44 and modelEntity = null. That's why I think it has to do with the & — Niek de Klein, Jan 03 '12 at 11:36
@Oded — because the data is being inserted into JavaScript, not HTML. — Quentin, Jan 03 '12 at 12:08

K. Bob · Accepted Answer · 2012-01-03T11:47:51.467

141

I didn't notice yesterday that you had & I thought that was the SO editor had changed that. Try wrapping your Url.Action() in a @Html.Raw() to prevent the Encode of &.

Or alternatively only Url.Action() the controller/action bit and pass the two parameters as post data rather than directly on the url, jQuery should sort out the &'s for you that way.

edited Jan 03 '12 at 11:47

answered Jan 03 '12 at 11:36

K. Bob

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This solution works, but why does Url.Action even get encoded? Talk about unexpected behavior. – Jerry Apr 19 '12 at 22:25

score 14 · Answer 2 · answered Jan 03 '12 at 11:44

I think your problem is with Model.meta.PostAction - is that property a string?

If so then my guess would be that you're adding it to the page with either:

Razor: @Model.meta.PostAction
ASP view engine: <%:Model.meta.PostAction%>

Both of which automatically encode that string for you.

To fix it either use @Html.Raw()/<%= (both of which don't encode) or make the PostAction property an IHtmlString that knows that it's already been encoded:

string actionUrl = Url.Action("CreateNote", new { cmd = "Save", itemId = itemId, modelEntity = modelEntity});
Model.meta.PostAction = new HtmlString(actionUrl);

Url.Action puts an & in my url, how can I solve this?

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