<input type="text" name="daterange" id="txtDate" runat="server" value="01/01/2015 - 01/31/2015"/>
<asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>
<asp:Button ID="Button1" runat="server" Text="Button" OnClick="Button1_Click" />
<script type="text/javascript">
$(function() {
$("#<%=txtDate.ClientID%>").daterangepicker();});
</script>