jquery - DataTables warning: Requested unknown parameter `0` for row 0 -


i using vb.net. use dynamic datatable can search, list, update , delete data. datatable works without issue. there 1 problem. when make page includes datatables refresh, popup error this.

error message popup here

<form  style =" margin-top : 220px;" id="form2" runat="server">       <table  id="liste" class="display" cellspacing="0" width="100%">             <thead>                 <tr>                     <th>sil</th>                     <th>düzenle</th>                     <th>proje referans numarası</th>                     <th>proje adı</th>                     <th>proje detay</th>                     <th>kullanacak olan departman</th>                     <th>başlangıç tarihi</th>                     <th>başlangıç saati</th>                     <th>bitiş tarihi</th>                     <th>bitiş saati</th>                 </tr>             </thead>              <tfoot>                 <tr>                     <th>sil</th>                     <th>düzenle</th>                     <th>proje referans numarası</th>                     <th>proje adı</th>                     <th>proje detay</th>                     <th>kullanacak olan departman</th>                     <th>başlangıç tarihi</th>                     <th>başlangıç saati</th>                     <th>bitiş tarihi</th>                     <th>bitiş saati</th>                 </tr>             </tfoot>              <tbody>                 <tr>                     <%dim strbaglanti string = "data source=127.0.0.1;initial catalog=yotk_test;persist security info=true;user id=username;password=password"                         dim sayac = 0                         dim cn new system.data.sqlclient.sqlconnection(strbaglanti)                         dim strq string = "select * proje"                         dim cmd new system.data.sqlclient.sqlcommand(strq, cn)                         cn.open()                         dim reader system.data.sqlclient.sqldatareader = cmd.executereader()                         while reader.read                             response.write("<tr><td><center><a href='delete_project.aspx?id=" + reader("id").tostring() + "'><img width = '52px' height = '52px' src='css/images/delete.png'/></a></center></td><td><center><a href='edit_project.aspx?id=" + reader("id").tostring() + "'><img width = '52px' height = '52px' src='css/images/edit.png'/></a></center></td><td><center>" + reader("id").tostring + "</center></td><td><center>" + reader("projeadi").tostring + "</center></td><td><center><textarea style='width : 300px; height:100px;'>" + reader("projeaciklama").tostring + "</textarea></center></td><td><center>" + reader("departman").tostring + "</center></td><td><center>" + reader("baslangictarihi").tostring + "</center></td><td><center>" + reader("baslangicsaati").tostring + "</center></td><td><center>" + reader("bitistarihi").tostring + "</center></td><td><center>" + reader("bitissaati").tostring + "</center></td></tr>")                         loop                         cn.close()                         %>                 </tr>             </tbody>     </table>     </form>

this table code

<script src="http://cdn.datatables.net/plug-ins/1.10.7/integration/jqueryui/datatables.jqueryui.js"></script> <script>     $(document).ready(function() {         $('#liste').datatable();     } ); </script>

this javascript code. problem?

according datatables manual, 1 of reasons can occur is:

  • the number of cells in table not satisfy equation #cells = #columns * #rows (i.e. there more columns defined in header in table body, or vice-versa).

you have <tr></tr> defined outside of vb code. below corrected code other parts omitted brevity.

            <tbody>                     <%dim strbaglanti string = "data source=127.0.0.1;initial catalog=yotk_test;persist security info=true;user id=username;password=password"                         dim sayac = 0                         dim cn new system.data.sqlclient.sqlconnection(strbaglanti)                         dim strq string = "select * proje"                         dim cmd new system.data.sqlclient.sqlcommand(strq, cn)                         cn.open()                         dim reader system.data.sqlclient.sqldatareader = cmd.executereader()                         while reader.read                             response.write("<tr><td><center><a href='delete_project.aspx?id=" + reader("id").tostring() + "'><img width = '52px' height = '52px' src='css/images/delete.png'/></a></center></td><td><center><a href='edit_project.aspx?id=" + reader("id").tostring() + "'><img width = '52px' height = '52px' src='css/images/edit.png'/></a></center></td><td><center>" + reader("id").tostring + "</center></td><td><center>" + reader("projeadi").tostring + "</center></td><td><center><textarea style='width : 300px; height:100px;'>" + reader("projeaciklama").tostring + "</textarea></center></td><td><center>" + reader("departman").tostring + "</center></td><td><center>" + reader("baslangictarihi").tostring + "</center></td><td><center>" + reader("baslangicsaati").tostring + "</center></td><td><center>" + reader("bitistarihi").tostring + "</center></td><td><center>" + reader("bitissaati").tostring + "</center></td></tr>")                         loop                         cn.close()                         %>             </tbody>

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