AutoComplete textbox problem

Hi, I have a autocomplete textbox for countrylist. The countrylist comes from Db and then the list bind under the Textbox correctly in my local system,
but in my deployed server it gets the result and bind the list in the top of the current page. So how to avoid this?
All my styles and script files are moved to that server.
<asp:TextBox ID="txtCountry" runat="server" CssClass="autotxtbx" Width="200px" TabIndex="4" onchange="ChangeLocationType()"></asp:TextBox> <cc1:AutoCompleteExtender ID="AutoCompleteExtender1" TargetControlID="txtCountry" ServiceMethod="GetCompletionListCountry" MinimumPrefixLength="1" OnClientItemSelected="ItemSelectedCountry" FirstRowSelected="true" runat="server" CompletionListItemCssClass="autocmpl" Completi ...