TypeError: $(…).DataTable is not a function

2020-01-24 11:41发布

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问题:

I am trying to work with jQuery's Datatable JS for my project from this link.

I downloaded the complete library from the same source. All the examples given in the package seem to work fine, but when I try to incorporate them in my WebForms,the CSS,JS do not work at all.

Here is what I have done :

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
    <link href="css/jquery.dataTables.css" rel="stylesheet" type="text/css" />
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <table id="myTable" class="display" cellspacing="0" width="100%">
            <thead>
                <tr>
                    <th>Name</th>
                    <th>Position</th>
                    <th>Office</th>
                    <th>Age</th>
                    <th>Start date</th>
                    <th>Salary</th>
                </tr>
            </thead>
            <tfoot>
                <tr>
                    <th>Name</th>
                    <th>Position</th>
                    <th>Office</th>
                    <th>Age</th>
                    <th>Start date</th>
                    <th>Salary</th>
                </tr>
            </tfoot>
            <tbody>
               <!-- table body -->
            </tbody>
        </table>
    </div>
    <script src="js/jquery.dataTables.js" type="text/javascript"></script>
    <script src="js/jquery.js" type="text/javascript"></script>
    <script type="text/javascript">
        $(document).ready(function () {
            $('#myTable').DataTable();
        });
    </script>
    </form>
</body>
</html>

My file structure for the JS and CSS in my Solution looks as follows :

I have added all the necessary JS and CSS references as shown in the manual. Still the rendering isn't as expected. There is no CSS and even the JS doesn't work.

Also in the console i get the following errors:

ReferenceError: jQuery is not defined
TypeError: $(...).DataTable is not a function

I have still not bound any dynamic data here (like within a repeater or so) still it is not working.

Can someone please guide me in the right direction for this problem ?

回答1:

CAUSE

There could be multiple reasons for this error.

jQuery DataTables library is missing.
jQuery library is loaded after jQuery DataTables.
Multiple versions of jQuery library is loaded.

SOLUTION

Include only one version of jQuery library version 1.7 or newer before jQuery DataTables.

For example:

<script src="js/jquery.min.js" type="text/javascript"></script>
<script src="js/jquery.dataTables.min.js" type="text/javascript"></script>

See jQuery DataTables: Common JavaScript console errors for more information on this and other common console errors.

回答2:

This worked for me. But make sure to load the jquery.js before the preferred dataTable.js file. Cheers!

<script type="text/javascript" src="~/Scripts/jquery.js"></script>
<script type="text/javascript" src="~/Scripts/data-table/jquery.dataTables.js"></script>

 <script>$(document).ready(function () {
    $.noConflict();
    var table = $('# your selector').DataTable();
});</script>

回答3:

I got this error because I found out that I referenced jQuery twice.

The first time: on the master page (_Layout.cshtml) in ASP.NET MVC, and then again on one current page so I commented out the one on the master page.

If you are using ASP.NET MVC this snippet could help you

@*@Scripts.Render("~/bundles/jquery")*@//comment this line 
@Scripts.Render("~/bundles/bootstrap")
@RenderSection("scripts", required: false)

and in the current page I added these lines

<script src="~/scripts/jquery-1.10.2.js"></script>

<!-- #region datatables files -->
<link rel="stylesheet" type="text/css" href="//cdn.datatables.net/1.10.12/css/jquery.dataTables.min.css" />
<script src="//cdn.datatables.net/1.10.12/js/jquery.dataTables.min.js"></script>
<!-- #endregion -->

Hope this help you even if don't use ASP.NET MVC

回答4:

if some reason two versions of jQuery are loaded (which is not recommended), calling $.noConflict(true) from the second version will return the globally scoped jQuery variables to those of the first version.

Sometimes it could be issue with older version (or not stable) of JQuery files

Solution use $.noConflict();

<script src="js/jquery.js" type="text/javascript"></script>
<script src="js/jquery.dataTables.js" type="text/javascript"></script>
<script>
$.noConflict();
jQuery( document ).ready(function( $ ) {
    $('#myTable').DataTable();
});
// Code that uses other library's $ can follow here.
</script>

回答5:

Here is the complete set of JS and CSS required for the export table plugin to work perfectly.

Hope it will save your time

   <!--Import jQuery before export.js-->
    <script type="text/javascript" src="https://code.jquery.com/jquery-2.1.1.min.js"></script>


    <!--Data Table-->
    <script type="text/javascript"  src=" https://cdn.datatables.net/1.10.13/js/jquery.dataTables.min.js"></script>
    <script type="text/javascript"  src=" https://cdn.datatables.net/buttons/1.2.4/js/dataTables.buttons.min.js"></script>

    <!--Export table buttons-->
    <script type="text/javascript"  src="https://cdnjs.cloudflare.com/ajax/libs/jszip/2.5.0/jszip.min.js"></script>
    <script type="text/javascript" src="https://cdn.rawgit.com/bpampuch/pdfmake/0.1.24/build/pdfmake.min.js" ></script>
    <script type="text/javascript"  src="https://cdn.rawgit.com/bpampuch/pdfmake/0.1.24/build/vfs_fonts.js"></script>
    <script type="text/javascript" src="https://cdn.datatables.net/buttons/1.2.4/js/buttons.html5.min.js"></script>
    <script type="text/javascript" src="https://cdn.datatables.net/buttons/1.2.1/js/buttons.print.min.js"></script>

<!--Export table button CSS-->

<link rel="stylesheet" href="https://cdn.datatables.net/1.10.13/css/jquery.dataTables.min.css">
<link rel="stylesheet" href="https://cdn.datatables.net/buttons/1.2.4/css/buttons.dataTables.min.css">

javascript to add export buttons on the table with id = tbl

  $('#tbl').DataTable({
                        dom: 'Bfrtip',
                        buttons: [
                            'copy', 'csv', 'excel', 'pdf', 'print'
                        ]
                    });

Result :-

回答6:

There can be two reasons for that error:

First

You are loding jQuery.DataTables.js before jquery.js so for that :-

You need to load jQuery.js before you load jQuery.DataTables.js

Second

You are using two versions of jQuery.js on the same page so for that :-

Try to use the higher version and make sure both links have same version of jQuery

回答7:

I know its late Buy can help someone

This could also happen if you don't add $('#myTable').DataTable(); inside the document.ready

So instead of this

$('#myTable').DataTable();

Try This

$(document).ready(function() {
    $('#myTable').DataTable();
});

回答8:

Honestly, this took hours to get this fixed. Finally only one thing worked a reconfirmation to solution provided by "Basheer AL-MOMANI". Which is just putting statement

   @RenderSection("scripts", required: false)

within _Layout.cshtml file after all <script></script> elements and also commenting the jquery script in the same file. Secondly, I had to add

 $.noConflict();

within jquery function call at another *.cshtml file as:

 $(document).readyfunction () {
          $.noConflict();
          $("#example1").DataTable();
         $('#example2').DataTable({
              "paging": true,
              "lengthChange": false,
              "searching": false,
              "ordering": true,
              "info": true,
              "autoWidth": false,
          });

        });