kenapa modal boostrap tidak muncul ( hanya berkedip)

modalnya

<?php
foreach ($datakondite_where as $editdtl){
?>
<!-- Modal EDIT-->
<div class="modal fade" id="modaledit" 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">×</span></button>
                <h4 class="modal-title" id="myModalLabel">Edit Kondite</h4>
            </div>
            <div class="modal-body">

                <form action="<?php echo base_url().'dp2k/c_kondite/update_kondite/'.$editdtl['kondite_id']; ?>" method="post">
                 <div class="row">
                    <div class="col-md-6" style="display:none;"><input type="text" name="idkondite"
                    value="<?php echo $editdtl['kondite_id'] ?>"></div>
                </div>
                <div class="row">
                    <div class="col-md-4"> <label style="padding-left:10px;">NIK</label></div>
                    <div class="col-md-6"><label>: <?php echo $editdtl['karyawan_nik'] ?></label></div>
                </div>
                <div class="row">
                    <div class="col-md-4"> <label style="padding-left:10px;">Nama</label></div>
                    <div class="col-md-6"><label >: <?php echo $editdtl['karyawan_nama'] ?></label></div>
                </div>
                <div class="row">
                    <div class="col-md-4"> <label style="padding-left:10px;">Unit Kerja</label></div>
                    <div class="col-md-6"><label >: <?php echo $editdtl['unit_nama'] ?></label></div>
                </div>
               <div class="form-group">
                   <div class="row">
                    <div class="col-md-4"> <label style="padding-left:10px;">Tanggal</label></div>
                     <div class="col-md-6">
                        <div class="input-group date">
                          <div class="input-group-addon">
                            <i class="fa fa-calendar"></i>
                          </div>
                        <input type="text" readonly class="form-control pull-right datepicker" onclick="abc()" value="<?php echo $editdtl['tanggal_kondite']  ?>">
                        </div>
                     </div>
                  </div>
                    </div>
                  <div class="form-group">
                    <div class="row">
                        <div class="col-md-4"> <label style="padding-left:10px;">No Surat</label></div>
                    <div class="col-md-6"><label> <input type="text" name="nosurat" class="form-control"  size="35" value="<?php echo $editdtl['surat'] ?>"></label></div>
                    </div>
                    </div>
                <div class="form-group">
                    <div class="row">
                        <div class="col-md-4"> <label style="padding-left:10px;">Pelanggaran</label></div>
                    <div class="col-md-6"><label ></label></div><br>
                    </div>
                    <div class="form-group">
                        <textarea class="form-control"  rows="3" name="pelanggaran"><?php echo $editdtl['pelanggaran_prestasi'] ?>
						</textarea>
                    </div>
                </div>
             <div class="form-group">
                    <div class="row">
                        <div class="col-md-4"> <label style="padding-left:10px;">Perihal</label></div>
                    <div class="col-md-6"><label></label></div>
                    </div>
                    <div class="form-group">
                        <textarea class="form-control"  name="perihal" rows="3" ><?php echo $editdtl['perihal'] ?></textarea>
                    </div>
                </div>
				 <div class="form-group">
                    <div class="row">
                        <div class="col-md-4"> <label style="padding-left:10px;">Sanksi</label></div>
                    <div class="col-md-6"><label ></label></div>
                    </div>
                    <div class="form-group">
                        <textarea class="form-control"  name="sanksiprestasi" rows="3" ><?php echo $editdtl['sanksi_reward'] ?></textarea>
                    </div>
                </div>
            <div class="modal-footer">
                <button class="btn btn-default" data-dismiss="modal">Batal</button>
                <button class="btn btn-primary">Simpan</button></a>
            </div>

             </form>

            </div>
        </div>
    </div>
</div>
<?php } ?>
<!-- Modal edit-->

button modalnya

 <td><a href="<?php echo site_url('dp2k/c_kondite/get_id_kondite/'.$dtl['kondite_id']);  ?>"><button class="btn btn-block btn-info btn-xs"data-toggle="modal" data-id="<?php echo $dtl['kondite_id'] ?>" data-target="#modaledit" ><i class="fa fa-pencil-square-o" aria-hidden="true" data-toggle="tooltip" title="harap di cawang"></i></button></a></td>

@welldone