<script>
    $(document).ready(function () {
        $('#lblDatabase').DataTable();
    }
</script>


<form id="form1" runat="server">

    <table class="table" id="lblDatabase">
        <thead>
            <tr>
              <th scope="col">#</th>
              <th scope="col">Pid</th>
            </tr>
         </thead>
        <tbody>
        <tr>
            <td>
                    <asp:ContentPlaceHolder ID="ContentPlaceHolder1" runat="server">
                    </asp:ContentPlaceHolder>
                    <asp:Label ID="lblDatabaseValues" runat="server"></asp:Label>
            </td>
        </tr>

        </tbody>
    </table>

</form>

protected async void GetRequest(string url)
    {
        using (HttpClient client = new HttpClient())
        {
            using (HttpResponseMessage response = await client.GetAsync(url))
            {
                using (HttpContent content = response.Content)
                {
                    Label lblDatabaseValues = (Label)Master.FindControl("lblDatabaseValues");
                    //lblDatabaseValues.Text = "Values:";
                    //lblDatabaseValues.Text = "";
                    string myContent = await content.ReadAsStringAsync();
                    string[] values = myContent.Split(';');
                    for (int i = 0; i < values.Length; i++)
                    {
                        lblDatabaseValues.Text = lblDatabaseValues.Text + Environment.NewLine + values[i];
                    }
                    lblDatabaseValues.Text = lblDatabaseValues.Text.ToString().Replace(Environment.NewLine, "<br />");
                }
                //response.IsSuccessStatusCode
                //response.StatusCode
            }
        }
    }

$(function() {
$.each(response, function(i, item) {
    var $tr = $('<tr>').append(
        $('<td>').text(item.UID)
    .appendTo('#lblDatabase');
});});