How to implement multiple select in MVC 3 using 'chosen.js' plugin

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一生所求
一生所求 2021-02-04 18:34

How to implement chosen plugin for MVC 3 ?

for this type of output

\"enter

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4条回答
  • 2021-02-04 19:13

    This is my code how to make chosen.js work with javascript/MVC

    This is my code for my dropdown

    @Html.DropDownListFor(m => m.CategoryId,
                                        new SelectList(Model.Categories, "Id", "Name"),
                                        "Choose a Category...",
                                        new
                                        {
                                            id = "CategoryId",
                                            multiple = "",
                                            @class = "chzn-select srs-select search-dropdown",
                                            data_placeholder = "Choose a Category..."
                                        })
    

    Here I use 'chzn-select' styling

    -- In the document ready, one should have the .chosen() function called.

    $(document).ready(function () {
    
        $('.chzn-select').chosen();
    });
    

    In Javascript, to retrieve what was selected, this is the code

    The code to retrieve items selected in the dropdownbox

    var selectedCategoryId = $('Select#CategoryId').val();
        var selectedCategories = "";
    
        if (selectedCategoryId != null) {
            $.each(selectedCategoryId, function (index, value) {
                selectedCategories = selectedCategories + value + ",";
            });
        }
    

    Basically selectedCategories has ID of the items selected, seperated by ','

    To update the dropdown with the values selected

    Copy your values into a array

    var categoryArray = new Array(); 
    

    ... there is code that initializes the array whih the values that were selected before.

    //code to make you selection, the array has your values.

    $('Select#CategoryId').val(categoryArray);
    
    $('.chzn-select').trigger('chosen:updated');
    

    Hope this helps

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  • 2021-02-04 19:15

    I have reconfigure chosen plugin as below and working properly.

    My razor :

    <div style="width: 750px; clear: both; margin-left: 170px;">
    
                @Html.ListBox(
                                 "Emailaddress",
                                 ViewBag.EmailaddressList as MultiSelectList,
                                 new { @class = "chosen-select", data_placeholder = "Choose a Emailaddress...", style = "width:750px;", tabindex = "4" }
                             )
    </div> 
    

    Add this script after your html Razor code

    <script src="@Url.Content("~/Scripts/chosen.js/chosen.jquery.js")" type="text/javascript"></script>
            <script type="text/javascript">
                var config = {
                    '.chosen-select': {},
                    '.chosen-select-deselect': { allow_single_deselect: true },
                    '.chosen-select-no-single': { disable_search_threshold: 10 },
                    '.chosen-select-no-results': { no_results_text: 'Oops, nothing found!' },
                    '.chosen-select-width': { width: "95%" }
                }
                for (var selector in config) {
                    $(selector).chosen(config[selector]);
                }
      </script>
    

    My viewbag :

    ViewBag.Skills = new MultiSelectList(EmailaddressList, "Id", "EmailId");
    
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  • 2021-02-04 19:18

    please visit the following link.this will help you to implement chosen plugin with mvc3. i found this helpful for me.here is the link

    http://utsavized.com/chosen-multiselect-dropdown-list-with-asp-net-mvc3/

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  • 2021-02-04 19:18

    I think you should use like this .

    @Html.DropDownListFor(model => model.CountryId, new SelectList(Model.Countries, "ID", "Name"), "select", new { @ID = "ddlCountry", @class = "chosen-select", multiple = "multiple", Style = "width: 150px;" })
    

    this will help you.

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