< script src = "//cdn.tinymce.com/4/tinymce.min.js" > < /script> <
script > tinymce.init({
selector: 'textarea'
}); < /script>
<div class="form-group">
<div class="col-xs-12 col-md-6 ">
<textarea id="txtDesc" name="message" rows="5" maxlength="1000" runat="server" style="resize: none;"></textarea>
</div>
</div>