javascript - ASP MVC Passing value into modal window - Stack Overflow-软件玩家

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I have this view with a modal window. When I click to open the modal window, I'd like to pass the parameter item.InstrumentId into the modal window so that I can click on a link that redirects me to the page from that specific instrument that belongs to the InstrumentId. What I'm doing below successfully passes the InstrumentId into the window, but the problem is I don't know how to pass that value into the Html.ActionLink. Any hints as to how I can proceed?

   @foreach (var item in Model)
    {
        <li class="list-group-item">
            <div class="row">
                <div class="col-md-4">
                    <h4>
                        Instrument: @item.InstrumentId
                    </h4>
                </div>
                <div class="col-md-4">
                    @item.Type
                </div>
                <div class="col-md-4">
                    <!-- Button trigger modal -->
                    <button type="button" class="open-dialog btn btn-primary btn-sm" data-toggle="modal" data-target="#myModal" data-id="@item.InstrumentId">
                        View details
                    </button>

                    <script type="text/javascript">
                        $(document).on("click", ".open-dialog", function() {
                            var modalId = $(this).data('id');
                            $(".modal-dialog #myModal").val(modalId);
                        })
                    </script>
                    <!-- Modal -->
                    <div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel">
                        <div class="modal-dialog" role="document">
                            <div class="modal-content">
                                <div class="modal-header">
                                    <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
                                    <h4 class="modal-title" id="myModal"></h4>
                                </div>
                                <div class="modal-body">
                                    @item.Message
                                    <br/> <br/> <br/>
                                    <div class="row">
                                        <div class="col-md-4">
                                            Slide: <a href="/Home/Slide" class="Button">1234500323</a>
                                        </div>
                                        <div class="col-md-4">
                                            Instrument: @Html.ActionLink(item.InstrumentId, "Instrument", new {instrumentid = item.InstrumentId})
                                        </div>
                                        <div class="col-md-4">
                                            Checked: @item.Checked
                                        </div>
                                    </div>
                                </div>
                                <div class="modal-footer">
                                    <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
                                    <button type="button" class="btn btn-primary">Save changes</button>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </li>
    }

UPDATE

<div>
<ul class="list-group">
    @foreach (var item in Model)
    {
        <li class="list-group-item">
            <div class="row">
                <div class="col-md-4">
                    <h4>
                        Instrument: @item.InstrumentId
                    </h4>
                </div>
                <div class="col-md-4">
                    @item.Type
                </div>
                <div class="col-md-4">
                    <!-- Button trigger modal -->
                    <button type="button" class="open-dialog btn btn-primary btn-sm" data-url="@Url.Action("Instrument", new {instrumentid = @item.InstrumentId})">
                        View details
                    </button>

                    <script type="text/javascript">
                        $(document).on("click", ".open-dialog", function() {
                            $('#details').attr('href', $(this).data('url')); // update the links url
                        });
                    </script>
                </div>
            </div>
        </li>
    }
</ul>
<!-- Modal -->
<div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel">
    <div class="modal-dialog" role="document">
        <div class="modal-content">
            <div class="modal-header">
                <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
            </div>
            <div class="modal-body">
                @*@item.Message*@
                <br /> <br /> <br />
                <div class="row">
                    <div class="col-md-4">
                        Slide: <a href="/Home/Slide" class="Button">1234500323</a>
                    </div>
                    <div class="col-md-4">
                        Instrument: <a id="details" href="#">Details</a>
                    </div>
                    <div class="col-md-4">
                        Checked: @*@item.Checked*@
                    </div>
                </div>
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
                <button type="button" class="btn btn-primary">Save changes</button>
            </div>
        </div>
    </div>
</div>

   @foreach (var item in Model)
    {
        <li class="list-group-item">
            <div class="row">
                <div class="col-md-4">
                    <h4>
                        Instrument: @item.InstrumentId
                    </h4>
                </div>
                <div class="col-md-4">
                    @item.Type
                </div>
                <div class="col-md-4">
                    <!-- Button trigger modal -->
                    <button type="button" class="open-dialog btn btn-primary btn-sm" data-toggle="modal" data-target="#myModal" data-id="@item.InstrumentId">
                        View details
                    </button>

                    <script type="text/javascript">
                        $(document).on("click", ".open-dialog", function() {
                            var modalId = $(this).data('id');
                            $(".modal-dialog #myModal").val(modalId);
                        })
                    </script>
                    <!-- Modal -->
                    <div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel">
                        <div class="modal-dialog" role="document">
                            <div class="modal-content">
                                <div class="modal-header">
                                    <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
                                    <h4 class="modal-title" id="myModal"></h4>
                                </div>
                                <div class="modal-body">
                                    @item.Message
                                    <br/> <br/> <br/>
                                    <div class="row">
                                        <div class="col-md-4">
                                            Slide: <a href="/Home/Slide" class="Button">1234500323</a>
                                        </div>
                                        <div class="col-md-4">
                                            Instrument: @Html.ActionLink(item.InstrumentId, "Instrument", new {instrumentid = item.InstrumentId})
                                        </div>
                                        <div class="col-md-4">
                                            Checked: @item.Checked
                                        </div>
                                    </div>
                                </div>
                                <div class="modal-footer">
                                    <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
                                    <button type="button" class="btn btn-primary">Save changes</button>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </li>
    }

UPDATE

<div>
<ul class="list-group">
    @foreach (var item in Model)
    {
        <li class="list-group-item">
            <div class="row">
                <div class="col-md-4">
                    <h4>
                        Instrument: @item.InstrumentId
                    </h4>
                </div>
                <div class="col-md-4">
                    @item.Type
                </div>
                <div class="col-md-4">
                    <!-- Button trigger modal -->
                    <button type="button" class="open-dialog btn btn-primary btn-sm" data-url="@Url.Action("Instrument", new {instrumentid = @item.InstrumentId})">
                        View details
                    </button>

                    <script type="text/javascript">
                        $(document).on("click", ".open-dialog", function() {
                            $('#details').attr('href', $(this).data('url')); // update the links url
                        });
                    </script>
                </div>
            </div>
        </li>
    }
</ul>
<!-- Modal -->
<div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel">
    <div class="modal-dialog" role="document">
        <div class="modal-content">
            <div class="modal-header">
                <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
            </div>
            <div class="modal-body">
                @*@item.Message*@
                <br /> <br /> <br />
                <div class="row">
                    <div class="col-md-4">
                        Slide: <a href="/Home/Slide" class="Button">1234500323</a>
                    </div>
                    <div class="col-md-4">
                        Instrument: <a id="details" href="#">Details</a>
                    </div>
                    <div class="col-md-4">
                        Checked: @*@item.Checked*@
                    </div>
                </div>
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
                <button type="button" class="btn btn-primary">Save changes</button>
            </div>
        </div>
    </div>
</div>

Share edited Sep 22, 2015 at 11:48 asked Sep 22, 2015 at 10:48 Khaine775 2,7658 gold badges25 silver badges55 bronze badges

Your element with id="myModal" is <h4> so $(".modal-dialog #myModal").val(modalId); cannot possibly work despite what you claim. – user3559349 Commented Sep 22, 2015 at 11:01
Are you doing this in a loop? And since the Html.ActionLink() you already have new { instrumentid = item.InstrumentId } why do you need to pass the same value to it that it already has? – user3559349 Commented Sep 22, 2015 at 11:05
Yes I'm doing this in a loop. The <h4> doesn't show anything, but if I put something like an <input> element in there, I can display the value in the modal window. Thing is, I have a of instruments. Each instrument has a button for viewing details about this instrument. The reason why I need to pass the value, is because I need to pass the id from the specific instrument I click on and item.InstrumentId only gets the first id from the first instrument in the list. – Khaine775 Commented Sep 22, 2015 at 11:12
So the buttons are in a loop but the modal is not? – user3559349 Commented Sep 22, 2015 at 11:13
Well, everything is in the loop. I've updated the OP with the loop added. – Khaine775 Commented Sep 22, 2015 at 11:16

| Show 1 more ment

3 Answers 3

Sorted by: Reset to default 4

You currently generating a modal for each item in your collection but giving it an id="myModal" which is invalid html and means data-target="#myModal" will only ever open the first one. Move the modal outside the loop so your create only one (and also remove the <h4 class="modal-title" id="myModal"></h4> element which also has the same id attribute)

Then change the button html to

<button type="button" class=".." .. data-url="@Url.Action("Instrument", new { instrumentid = item.InstrumentId })">

and change the html in the modal to

Instrument: <a id="details" href="#">Details</a>

Then change the script to

$(document).on("click", ".open-dialog", function() {
    $('#details').attr('href', $(this).data('url')); // update the links url
})

Side note: You will probably want to do something similar with Checked: @item.Checked in the modal

1.Use ID for Anchor Link.
2.Notice this line <a href='#' id='InstrumentIDLink'>Anchor Link Value=</a> in code. It has Anchor Link Value=. When you open modal you can see Anchor Link Value=10320320 and you can inspect href too.

$('#myModal1').on('show.bs.modal', function(e) {
  var modalId = $(e.relatedTarget).data('id');
  $('#InstrumentIDLink').attr('href', 'url+'+ modalId)
  $('#InstrumentIDLink').text('Anchor Link Value='+ modalId);

})

<script src="https://ajax.googleapis./ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<link href="http://cdnjs.cloudflare./ajax/libs/twitter-bootstrap/2.3.1/css/bootstrap.css" rel="stylesheet" />
<script src="http://maxcdn.bootstrapcdn./bootstrap/3.3.5/js/bootstrap.min.js"></script>
<div class="container">
  <h3>Modal Example</h3>
  <!-- Button to trigger modal -->
  <div> <a href="#myModal1" class='open-dialog' role="button" 
           class="btn" data-toggle="modal" data-id='10320320'>Launch Modal (10320320)</a><br/>
    <a href="#myModal1" class='open-dialog' role="button" 
           class="btn" data-toggle="modal" data-id='10320321'>Launch Modal (10320321)</a>
  </div>
  <!-- Modal -->
  <div id="myModal1" class="modal hide" tabindex="-1" role="dialog">
    <div class="modal-header">
      <button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
    </div>
    <div class="modal-body"> <a href='#' id='InstrumentIDLink'>Anchor Link Value=</a>

    </div>
    <div class="modal-footer">
      <button class="btn" data-dismiss="modal" aria-hidden="true">Close</button>
      <button class="btn btn-primary">Save changes</button>
    </div>
  </div>
</div>

From bootstrap 3+ you can use e.relatedTarget to get element that triggered the modal

Instrument:

@Html.ActionLink("Link_Text", "Action_Name", "Controller_Name", new { id=item.InstrumentId})

Now in your COntroller you can access this value like

public ActionResult Action_Name(int id)
{
    //Do something
    return view();
}

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